83_FR_36515 83 FR 36370 - Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Northwest Fisheries Science Center Fisheries Research

83 FR 36370 - Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Northwest Fisheries Science Center Fisheries Research

DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration

Federal Register Volume 83, Issue 145 (July 27, 2018)

Page Range36370-36397
FR Document2018-16115

NMFS' Office of Protected Resources (OPR), upon request of NMFS' Northwest Fisheries Science Center (NWFSC), hereby issues regulations to govern the unintentional taking of marine mammals incidental to fisheries research conducted in the Pacific Ocean over the course of five years. These regulations, which allow for the issuance of Letters of Authorization (LOA) for the incidental take of marine mammals during the described activities and specified timeframes, prescribe the permissible methods of taking and other means of effecting the least practicable adverse impact on marine mammal species or stocks and their habitat, as well as requirements pertaining to the monitoring and reporting of such taking.

Federal Register, Volume 83 Issue 145 (Friday, July 27, 2018)
[Federal Register Volume 83, Number 145 (Friday, July 27, 2018)]
[Rules and Regulations]
[Pages 36370-36397]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-16115]



[[Page 36369]]

Vol. 83

Friday,

No. 145

July 27, 2018

Part III





Department of Commerce





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National Oceanic and Atmospheric Administration





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50 CFR Part 219





Taking and Importing Marine Mammals; Taking Marine Mammals Incidental 
to Northwest Fisheries Science Center Fisheries Research; Final Rule

Federal Register / Vol. 83 , No. 145 / Friday, July 27, 2018 / Rules 
and Regulations

[[Page 36370]]


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DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration

50 CFR Part 219

[Docket No. 151027994-6421-02]
RIN 0648-BF47


Taking and Importing Marine Mammals; Taking Marine Mammals 
Incidental to Northwest Fisheries Science Center Fisheries Research

AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and 
Atmospheric Administration (NOAA), Commerce.

ACTION: Final rule.

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SUMMARY: NMFS' Office of Protected Resources (OPR), upon request of 
NMFS' Northwest Fisheries Science Center (NWFSC), hereby issues 
regulations to govern the unintentional taking of marine mammals 
incidental to fisheries research conducted in the Pacific Ocean over 
the course of five years. These regulations, which allow for the 
issuance of Letters of Authorization (LOA) for the incidental take of 
marine mammals during the described activities and specified 
timeframes, prescribe the permissible methods of taking and other means 
of effecting the least practicable adverse impact on marine mammal 
species or stocks and their habitat, as well as requirements pertaining 
to the monitoring and reporting of such taking.

DATES: Effective from August 27, 2018, through August 28, 2023.

ADDRESSES: A copy of NWFSC's application and supporting documents, as 
well as a list of the references cited in this document, may be 
obtained online at: www.fisheries.noaa.gov/action/incidental-take-authorization-noaa-fisheries-nwfsc-fisheries-and-ecosystem-research. In 
case of problems accessing these documents, please call the contact 
listed below (see FOR FURTHER INFORMATION CONTACT).

FOR FURTHER INFORMATION CONTACT: Ben Laws, Office of Protected 
Resources, NMFS, (301) 427-8401.

SUPPLEMENTARY INFORMATION:

Purpose and Need for Regulatory Action

    These regulations, issued under the authority of the Marine Mammal 
Protection Act (MMPA) (16 U.S.C. 1361 et seq.), establish a framework 
for authorizing the take of marine mammals incidental to the NWFSC's 
fisheries research activities in the California Current and Pacific 
Northwest.
    The NWFSC collects a wide array of information necessary to 
evaluate the status of exploited fishery resources and the marine 
environment. NWFSC scientists conduct fishery-independent research 
onboard NOAA-owned and operated vessels or on chartered vessels. A few 
surveys are conducted onboard commercial fishing vessels, but the NWFSC 
designs and executes the studies and funds vessel time.
    We received an application from the NWFSC requesting five-year 
regulations and authorization to take multiple species of marine 
mammals. Take is anticipated to occur by Level B harassment incidental 
to the use of active acoustic devices, as well as by visual disturbance 
of pinnipeds, and by Level A harassment, serious injury, or mortality 
incidental to the use of fisheries research gear. The regulations are 
valid for five years from the date of issuance. Please see 
``Background'' below for definitions of harassment.

Legal Authority for the Proposed Action

    Section 101(a)(5)(A) of the MMPA (16 U.S.C. 1371(a)(5)(A)) directs 
the Secretary of Commerce to allow, upon request, the incidental, but 
not intentional taking of small numbers of marine mammals by U.S. 
citizens who engage in a specified activity (other than commercial 
fishing) within a specified geographical region for up to five years 
if, after notice and public comment, the agency makes certain findings 
and issues regulations that set forth permissible methods of taking 
pursuant to that activity, as well as monitoring and reporting 
requirements. Section 101(a)(5)(A) of the MMPA and the implementing 
regulations at 50 CFR part 216, subpart I provide the legal basis for 
issuing this final rule containing five-year regulations, and a 
subsequent LOA. As directed by this legal authority, this final rule 
contains mitigation, monitoring, and reporting requirements.

Summary of Major Provisions Within the Final Rule

    The following provides a summary of some of the major provisions 
within the rulemaking for the NWFSC fisheries research activities. We 
have determined that the NWFSC's adherence to the planned mitigation, 
monitoring, and reporting measures listed below will achieve the least 
practicable adverse impact on the affected marine mammals. They 
include:
     Required monitoring of the sampling areas to detect the 
presence of marine mammals before deployment of certain research gear.
     Required use of acoustic deterrent devices on surface 
trawl nets.
     Required implementation of the mitigation strategy known 
as the ``move-on rule mitigation protocol'' which incorporates best 
professional judgment, when necessary during certain research fishing 
operations.

Background

    Paragraphs 101(a)(5)(A) and (D) of the MMPA (16 U.S.C. 
1371(a)(5)(A) and (D)) direct the Secretary of Commerce to allow, upon 
request, the incidental, but not intentional, taking of small numbers 
of marine mammals by U.S. citizens who engage in a specified activity 
(other than commercial fishing) within a specified geographical region 
if certain findings are made and either regulations are issued or, if 
the taking is limited to harassment, a notice of a proposed 
authorization is provided to the public for review.
    An authorization for incidental takings shall be granted if NMFS 
finds that the taking will have a negligible impact on the species or 
stock(s), will not have an unmitigable adverse impact on the 
availability of the species or stock(s) for subsistence uses (where 
relevant), and if the permissible methods of taking and requirements 
pertaining to the mitigation, monitoring and reporting of such takings 
are set forth. NMFS has defined ``negligible impact'' in 50 CFR 216.103 
as ``an impact resulting from the specified activity that cannot be 
reasonably expected to, and is not reasonably likely to, adversely 
affect the species or stock through effects on annual rates of 
recruitment or survival.''
    Except with respect to certain activities not pertinent here, the 
MMPA defines ``harassment'' as: Any act of pursuit, torment, or 
annoyance which (i) has the potential to injure a marine mammal or 
marine mammal stock in the wild (Level A harassment); or (ii) has the 
potential to disturb a marine mammal or marine mammal stock in the wild 
by causing disruption of behavioral patterns, including, but not 
limited to, migration, breathing, nursing, breeding, feeding, or 
sheltering (Level B harassment).

Summary of Request

    On August 10, 2015, we received an adequate and complete request 
from NWFSC for authorization to take marine mammals incidental to 
fisheries research activities. We received an initial draft of the 
request on January 2, 2015, followed by a revised draft on April 28, 
2015. On August 28, 2015 (80 FR 52256), we published a notice of 
receipt of NWFSC's application in the Federal Register, requesting 
comments and information related to the NWFSC

[[Page 36371]]

request for 30 days. We received comments jointly from The Humane 
Society of the United States and Whale and Dolphin Conservation, which 
we considered in development of the notice of proposed rulemaking (81 
FR 38516; June 13, 2016) and which are available online at: 
www.fisheries.noaa.gov/action/incidental-take-authorization-noaa-fisheries-nwfsc-fisheries-and-ecosystem-research.
    NWFSC plans to conduct fisheries research with trawl gear used at 
various levels in the water column, hook-and-line gears (including 
longlines with multiple hooks, rod and reel, and troll deployments), 
purse seine/tangle net gear, and other gear. If a marine mammal 
interacts with gear deployed by NWFSC, the outcome could potentially be 
Level A harassment, serious injury (i.e., any injury that will likely 
result in mortality), or mortality. Therefore, NWFSC has pooled the 
estimated number of incidents of take that could reasonably result from 
gear interactions, and we have assessed the potential impacts 
accordingly. NWFSC also uses various active acoustic devices in the 
conduct of fisheries research, and use of these devices has the 
potential to result in Level B harassment of marine mammals. Level B 
harassment of pinnipeds hauled out may also occur, as a result of 
visual disturbance from vessels conducting NWFSC research. These 
regulations are valid for five years from the date of issuance.
    NWFSC requests authorization to take individuals of 16 species by 
Level A harassment, serious injury, or mortality (hereafter referred to 
as M/SI) and of 34 species by Level B harassment.

Description of the Specified Activity

Overview

    The NWFSC collects a wide array of information necessary to 
evaluate the status of exploited fishery resources and the marine 
environment. NWFSC scientists conduct fishery-independent research 
onboard NOAA-owned and operated vessels or on chartered vessels. A few 
surveys are conducted onboard commercial fishing vessels, but the NWFSC 
designs and executes the studies and funds vessel time. The NWFSC plans 
to administer and conduct approximately 36 survey programs over the 5-
year period. The gear types used fall into several categories: Towed 
nets fished at various levels in the water column, longline and other 
hook and line gear, seine nets, traps, and other gear. Only use of 
trawl nets, hook and line gears, and purse seine nets are likely to 
result in interaction with marine mammals. Many of these surveys also 
use active acoustic devices.
    The Federal government has a responsibility to conserve and protect 
living marine resources in U.S. waters and has also entered into a 
number of international agreements and treaties related to the 
management of living marine resources in international waters outside 
the United States. NOAA has the primary responsibility for managing 
marine finfish and shellfish species and their habitats, with that 
responsibility delegated within NOAA to NMFS.
    In order to direct and coordinate the collection of scientific 
information needed to make informed fishery management decisions, 
Congress created six regional fisheries science centers, each a 
distinct organizational entity and the scientific focal point within 
NMFS for region-based, Federal fisheries-related research. This 
research is aimed at monitoring fish stock recruitment, abundance, 
survival and biological rates, geographic distribution of species and 
stocks, ecosystem process changes, and marine ecological research. The 
NWFSC is the research arm of NMFS in the northwest region of the United 
States. The NWFSC conducts research and provides scientific advice to 
manage fisheries and conserve protected species in the geographic 
research area described below and provides scientific information to 
support the Pacific Fishery Management Council and numerous other 
domestic and international fisheries management organizations.

Dates and Duration

    The specified activity may occur at any time during the five-year 
period of validity of the regulations. Dates and duration of individual 
surveys are inherently uncertain, based on congressional funding levels 
for the NWFSC, weather conditions, or ship contingencies. In addition, 
cooperative research is designed to provide flexibility on a yearly 
basis in order to address issues as they arise. Some cooperative 
research projects last multiple years or may continue with 
modifications. Other projects only last one year and are not continued. 
Most cooperative research projects go through an annual competitive 
selection process to determine which projects should be funded based on 
proposals developed by many independent researchers and fishing 
industry participants.

Specified Geographical Region

    The NWFSC conducts research in the Pacific Northwest and California 
Current within three research areas: The California Current Research 
Area (CCRA), Puget Sound Research Area (PSRA), and Lower Columbia River 
Research Area (LCRRA). Please see Figures 1-2 through 1-4 in the NWFSC 
application for maps of the three research areas. We note here that, 
while the NWFSC specified geographical region extends outside of the 
U.S. Exclusive Economic Zone (EEZ), from the Mexican EEZ (not including 
Mexican territorial waters) north into the Canadian EEZ (not including 
Canadian territorial waters), the MMPA's authority does not extend into 
foreign territorial waters. These areas were described in detail in our 
notice of proposed rulemaking (81 FR 38516; June 13, 2016); please see 
that document for further detail.

Detailed Description of Activities

    A detailed description of NWFSC's planned activities was provided 
in our notice of proposed rulemaking (81 FR 38516; June 13, 2016) and 
is not repeated here. No changes have been made to the specified 
activities described therein.

Comments and Responses

    We published a notice of proposed rulemaking in the Federal 
Register on June 13, 2016 (81 FR 38516; June 13, 2016), and requested 
comments and information from the public. During the thirty-day comment 
period, we received a letter from the Marine Mammal Commission 
(Commission). The comments and our responses are provided here, and the 
comments have been posted online at: www.fisheries.noaa.gov/action/incidental-take-authorization-noaa-fisheries-nwfsc-fisheries-and-ecosystem-research. Please see the comment letter for full rationale 
behind the recommendations we respond to below. No changes were made to 
the proposed rule as a result of these comments.
    Comment 1: The Commission provides general recommendations--not 
specific to the proposed NWFSC rulemaking--that NMFS develop criteria 
and guidance for determining when prospective applicants should request 
taking by Level B harassment from the use of echosounders, other 
sonars, and sub-bottom profilers and that NMFS formulate a strategy for 
updating its generic behavioral harassment thresholds for all types of 
sound sources as soon as possible.
    Response: We appreciate the recommendations and will consider the 
need for applicant guidance specific to the types of acoustic sources 
mentioned by the Commission. Generally speaking, there has been a lack 
of information and scientific consensus regarding the

[[Page 36372]]

potential effects of scientific sonars on marine mammals, which may 
differ depending on the system and species in question as well as the 
environment in which the system is operated. We are currently working 
to ensure that the use of these types of active acoustic sources is 
considered consistently and look forward to the Commission's advice as 
we proceed.
    With regard to revision of existing behavioral harassment criteria, 
NMFS agrees that this is necessary. NMFS is continuing our examination 
of the effects of noise on marine mammal behavior and plans to focus 
our work in the coming years on developing guidance regarding the 
effects of anthropogenic sound on marine mammal behavior. Behavioral 
response is a complex question and we have determined that additional 
time is needed to research and address it appropriately.
    Comment 2: The Commission recommends that OPR require NWFSC to 
estimate the numbers of marine mammals taken by Level B harassment 
incidental to use of active acoustic sources (e.g., echosounders) based 
on the 120-decibel (dB) rather than the 160-dB root mean square (rms) 
threshold.
    Response: Please see our notice of proposed rulemaking (81 FR 
38516; June 13, 2016) for discussion related to acoustic terminology 
and thresholds. The Commission repeats a recommendation made in prior 
letters and, as we have previously indicated, we disagree with the 
recommendation. Our previous response is repeated below.
    Continuous sounds are those whose sound pressure level remains 
above that of the ambient sound, with negligibly small fluctuations in 
level (NIOSH, 1998; ANSI, 2005), while intermittent sounds are defined 
as sounds with interrupted levels of low or no sound (NIOSH, 1998). 
Thus, echosounder signals are not continuous sounds but rather 
intermittent sounds. Intermittent sounds can further be defined as 
either impulsive or non-impulsive. Impulsive sounds have been defined 
as sounds which are typically transient, brief (<1 sec), broadband, and 
consist of a high peak pressure with rapid rise time and rapid decay 
(ANSI, 1986; NIOSH, 1998). Echosounder signals also have durations that 
are typically very brief (<1 sec), with temporal characteristics that 
more closely resemble those of impulsive sounds than non-impulsive 
sounds, which typically have more gradual rise times and longer decays 
(ANSI, 1995; NIOSH, 1998). With regard to behavioral thresholds, we 
consider the temporal and spectral characteristics of echosounder 
signals to more closely resemble those of an impulse sound than a 
continuous sound.
    The Commission suggests that, for certain sources considered here, 
the interval between pulses would not be discernible to the animal, 
rendering them effectively continuous. However, echosounder pulses are 
emitted in a similar fashion as odontocete echolocation click trains. 
Research indicates that marine mammals, in general, have extremely fine 
auditory temporal resolution and can detect each signal separately 
(e.g., Au et al., 1988; Dolphin et al., 1995; Supin and Popov, 1995; 
Mooney et al., 2009), especially for species with echolocation 
capabilities. Therefore, it is highly unlikely that marine mammals 
would perceive echosounder signals as being continuous.
    In conclusion, echosounder signals are intermittent rather than 
continuous signals, and the fine temporal resolution of the marine 
mammal auditory system allows them to perceive these sounds as such. 
Further, the physical characteristics of these signals indicate a 
greater similarity to the way that intermittent, impulsive sounds are 
received. Therefore, the 160-dB threshold (typically associated with 
impulsive sources) is more appropriate than the 120-dB threshold 
(typically associated with continuous sources) for estimating takes by 
behavioral harassment incidental to use of such sources. This response 
represents the consensus opinion of acoustics experts from NMFS' Office 
of Protected Resources and Office of Science and Technology.
    Comment 3: The Commission notes that NMFS has delineated two 
categories of acoustic sources, largely based on frequency, with those 
sources operating at frequencies greater than the known hearing ranges 
of any marine mammal (i.e., >180 kilohertz (kHz)) lacking the potential 
to cause disruption of behavioral patterns. The Commission describes 
the recent scientific literature on acoustic sources with frequencies 
above 180 kHz (i.e., Deng et al., 2014; Hastie et al., 2014) and 
recommends that we estimate numbers of takes associated with those 
acoustic sources (or similar acoustic sources) with frequencies above 
180 kHz that have been shown to elicit behavioral responses above the 
120-dB threshold.
    Response: We considered the information cited by the Commission in 
our proposed rulemaking. NMFS's response regarding the appropriateness 
of the 120-dB versus 160-dB rms thresholds was provided above in the 
response to Comment #2. In general, the referenced work indicates that 
``sub-harmonics'' could be ``detectable'' by certain species at 
distances up to several hundred meters (m). However, this detectability 
is in reference to ambient noise, not to NMFS's established 160-dB 
threshold for assessing the potential for incidental take for these 
sources. A behavioral response to a stimulus does not necessarily 
indicate that Level B harassment, as defined by the MMPA, has occurred. 
Source levels of the secondary peaks considered in these studies--those 
within the hearing range of some marine mammals--range from 135-166 dB, 
meaning that these sub-harmonics would either be below the threshold 
for behavioral harassment or would attenuate to such a level within a 
few meters. Beyond these important study details, these high-frequency 
(i.e., Category 1) sources and any energy they may produce below the 
primary frequency that could be audible to marine mammals would be 
dominated by a few primary sources (e.g., EK60) that are operated near-
continuously--much like other Category 2 sources considered in our 
assessment of potential incidental take from NWFSC's use of active 
acoustic sources--and the potential range above threshold would be so 
small as to essentially discount them.

Mitigation

    In order to issue an incidental take authorization under section 
101(a)(5)(A) of the MMPA, NMFS must set forth the permissible methods 
of taking pursuant to such activity, and other means of effecting the 
least practicable adverse impact on such species or stock and its 
habitat, paying particular attention to rookeries, mating grounds, and 
areas of similar significance, and on the availability of such species 
or stock for subsistence uses. We provided a full description of the 
planned mitigation measures, including background discussion related to 
certain elements of the mitigation plan, in our notice of proposed 
rulemaking (81 FR 38516; June 13, 2016). Please see that document for 
more detail.
    NMFS has considered many potential mitigation measures, including 
those the NWFSC has determined to be feasible and has implemented in 
recent years as a standard part of sampling protocols. These measures 
include the move-on rule mitigation protocol (also referred to in the 
preamble as the move-on rule), protected species visual watches and use 
of acoustic pingers on trawl gear, as well as use of a marine mammal 
excluder device (MMED) in Nordic 264 trawl nets.

[[Page 36373]]

General Measures

    Coordination and communication--We require that the NWFSC take all 
necessary measures to coordinate and communicate in advance of each 
specific survey with NOAA's Office of Marine and Aviation Operations 
(OMAO), or other relevant parties, to ensure that all mitigation 
measures and monitoring requirements described herein, as well as the 
specific manner of implementation and relevant event-contingent 
decision-making processes, are clearly understood and agreed-upon. This 
may involve description of all required measures when submitting cruise 
instructions to OMAO or when completing contracts with external 
entities. NWFSC will coordinate and conduct briefings at the outset of 
each survey and as necessary between the ship's crew (commanding 
officer/master or designee(s), as appropriate) and scientific party in 
order to explain responsibilities, communication procedures, marine 
mammal monitoring protocol, and operational procedures. The chief 
scientist (CS) will be responsible for coordination with the Officer on 
Deck (OOD; or equivalent on non-NOAA platforms) to ensure that 
requirements, procedures, and decision-making processes are understood 
and properly implemented.
    Vessel speed--Vessel speed during active sampling rarely exceeds 5 
knots (kn), with typical speeds being 2-4 kn. Transit speeds vary from 
6-14 kn but average 10 kn. These low vessel speeds minimize the 
potential for ship strike. At any time during a survey or in transit, 
if a crew member standing watch or dedicated marine mammal observer 
sights marine mammals that may intersect with the vessel course, that 
individual will immediately communicate the presence of marine mammals 
to the bridge for appropriate course alteration or speed reduction, as 
possible, to avoid incidental collisions.
    Other gears--The NWFSC deploys a wide variety of gear to sample the 
marine environment during all of their research cruises. Many of these 
types of gear (e.g., plankton nets, video camera and remotely-operated 
vehicle (ROV) deployments) are not considered to pose any risk to 
marine mammals and are therefore not subject to specific mitigation 
measures. However, at all times when the NWFSC is conducting survey 
operations at sea, the OOD and/or CS and crew will monitor for any 
unusual circumstances that may arise at a sampling site and use best 
professional judgment to avoid any potential risks to marine mammals 
during use of all research equipment.
    Handling procedures--The NWFSC will implement a number of handling 
protocols to minimize potential harm to marine mammals that are 
incidentally taken during the course of fisheries research activities. 
In general, protocols have already been prepared for use on commercial 
fishing vessels. Because incidental take of marine mammals in fishing 
gear is similar for commercial fisheries and research surveys, NWFSC 
proposes to adopt these protocols, which are expected to increase post-
release survival. In general, following a ``common sense'' approach to 
handling captured or entangled marine mammals will present the best 
chance of minimizing injury to the animal and of decreasing risks to 
scientists and vessel crew. Handling or disentangling marine mammals 
carries inherent safety risks, and using best professional judgment and 
ensuring human safety is paramount.
    Captured live or injured marine mammals are released from research 
gear and returned to the water as soon as possible with no gear or as 
little gear remaining on the animal as possible. Animals are released 
without removing them from the water if possible, and data collection 
is conducted in such a manner as not to delay release of the animal(s) 
or endanger the crew. NWFSC staff will be instructed on how to identify 
different species, handle and bring marine mammals aboard a vessel, 
assess the level of consciousness, remove fishing gear, and return 
marine mammals to water.

Trawl Survey Visual Monitoring and Operational Protocols

    Specific mitigation protocols are required for all trawl operations 
conducted by the NWFSC using Nordic 264 surface trawl gear, midwater 
trawl gear (modified Cobb, Aleutian Wing, and various commercial nets), 
and bottom trawl gear (double-rigged shrimp, Poly Nor'easter, modified 
Aberdeen, beam, and various commercial nets). Separate protocols 
(described below) are in place for the Kodiak surface trawl and pair 
trawl gear. Marine mammal watches will be conducted for at least ten 
minutes prior to the beginning of the planned set and throughout the 
tow and net retrieval, by scanning the surrounding waters with the 
naked eye and rangefinding binoculars (or monocular). Lookouts 
immediately alert the OOD and CS as to their best estimate of the 
species and number of animals observed and any observed animal's 
distance, bearing, and direction of travel relative to the ship's 
position. The CS must confirm with the OOD that no marine mammals have 
been seen within 500 m (or as far as may be observed if less than 500 
m) of the ship or appear to be approaching the ship during the pre-set 
watch period prior to the deployment of any trawl gear. During 
nighttime operations, visual observation may be conducted using the 
naked eye and available vessel lighting but effectiveness is limited. 
The visual observation period typically occurs during transit leading 
up to arrival at the sampling station, rather than upon arrival on 
station. However, in some cases it may be necessary to conduct a 
plankton tow or other small net cast prior to deploying trawl gear. In 
these cases, the visual watch will continue until trawl gear is ready 
to be deployed. Aside from pre-trawl monitoring, the OOD/CS and crew 
standing watch will visually scan for marine mammals during all daytime 
operations.
    It is important to note that the 500 m distance is provided only as 
a frame of reference for marine mammal observations that would 
nominally be of greater concern as regards the potential for 
interaction with research fishing gear. The primary concern is to avoid 
all marine mammal interactions (regardless of the numbers of takes 
proposed for authorization here), and the most appropriate course of 
action to achieve this goal in any given instance is likely to be 
related more to event-specific elements than to an arbitrary distance 
from the vessel. Depending on unpredictable contextual elements, 
animals sighted at distances greater than 500 m could provoke 
mitigation action or, conversely, animals sighted at closer range could 
be determined to not be at risk of interacting with research fishing 
gear. The NWFSC considers 500 m to be the average effective observation 
distance, but the actual effective range is determined by numerous 
factors related to the weather, ship observations, and the species 
observed.
    The primary purpose of conducting pre-trawl visual monitoring is to 
implement the move-on rule. If marine mammals are sighted within 500 m 
(or as far as may be observed if less than 500 m) of the vessel and are 
considered at risk of interacting with the vessel or research gear, or 
appear to be approaching the vessel and are considered at risk of 
interaction, NWFSC may elect to either remain onsite to see if the 
animals move off or may move on to another sampling location. When 
remaining onsite, the set is delayed (typically for at least ten 
minutes) and, if the animals depart or appear to no longer be at risk 
of interacting with the vessel or gear, a further ten minute 
observation period is

[[Page 36374]]

conducted. If no further observations are made or the animals still do 
not appear to be at risk of interaction, then the set may be made. If 
the vessel is moved to a different section of the sampling area, move-
on rule mitigation protocols would begin anew. If, after moving on, 
marine mammals remain at risk of interaction, the CS or watch leader 
may decide to move again or to skip the station. Marine mammals that 
are sighted further than 500 m from the vessel would be monitored to 
determine their position and movement in relation to the vessel. If 
they appear to be closing on the vessel, the move-on rule protocols may 
be implemented even if they are initially further than 500 m from the 
vessel.
    For surface trawl surveys (i.e., those surveys deploying the Nordic 
264 net), which have historically presented the greatest risk of marine 
mammal interaction, dedicated crew are assigned to marine mammal 
monitoring duty (i.e., have no other tasks) and care is taken to 
provide some rest periods for observers to avoid fatigue. At least two 
pairs of binoculars are available for verification of potential 
sightings. As the vessel approaches the station, the OOD and at least 
one assigned member of the scientific party monitor for marine mammals. 
Within several minutes of arriving on station and finishing their 
sampling duties, two additional members of the scientific party are 
assigned to monitor for marine mammals and, for the remainder of the 
tow, there would be a minimum of three members of the scientific party 
watching for marine mammals. Depending on the situational context 
(e.g., numbers of marine mammals seen during the station approach or 
expected at that particular place and season), additional crew may be 
assigned to stand watch as necessary to provide full monitoring 
coverage around the vessel. Up to eight observers in total (including 
ship's crew standing watch) may be on duty during active trawling. The 
focus on the full area around the ship continues until trawl retrieval 
begins, at which point observational focus turns to the stern and the 
trawl net itself.
    For midwater and bottom trawl surveys, the pre-set watch period is 
conducted by the OOD and bridge crew and typically occurs during 
transit prior to arrival at the sampling station but may also include 
time on station if other types of gear or equipment (e.g., bongo nets) 
are deployed before the trawl. For these trawls, risk of interaction 
during the tow is lower and monitoring effort is reduced to the bridge 
crew until trawl retrieval.
    For all surveys, although the minimum pre-set watch period is ten 
minutes, the actual monitoring period is typically longer. During 
standard trawl operations, at least some of the trackline to be towed 
is typically traversed prior to setting gear in order to check for 
hazards. On surface trawl surveys, CTD casts and plankton/bongo net 
hauls are made prior to setting the trawl. These activities can take 
25-35 minutes after the vessel arrives on station, depending on water 
depth, and monitoring for marine mammals continues throughout these 
activities. Midwater trawls and bottom trawls do not typically deploy 
other gears before deploying trawl gear, but reconnaissance of the 
trackline often takes ten to fifteen minutes after arriving on station. 
In addition, once the decision is made to deploy the trawl gear, 
monitoring continues while the net is unspooled, which may take about 
ten minutes. Before the trawl doors are deployed, the net floats closed 
on the surface behind the vessel, and appropriate actions can be taken 
if marine mammals are sighted near the ship. Therefore, the marine 
mammal monitoring period--which begins before the vessel arrives on 
station and extends continuously through gear deployment--typically 
extends for over thirty minutes for all trawl types.
    The effectiveness of visual monitoring may be limited depending on 
weather and lighting conditions. The OOD, CS, or watch leader will 
determine the best strategy to avoid potential takes of marine mammals 
based on the species encountered and their numbers and behavior, 
position, and vector relative to the vessel, as well as any other 
factors. For example, a whale transiting through the sampling area in 
the distance may only require a short move from the designated station, 
whereas a pod of dolphins in close proximity to the vessel may require 
a longer move from the station or possibly cancellation of the planned 
tow if the group follows the vessel.
    In general, trawl operations will be conducted immediately upon 
arrival on station (and on conclusion of the pre-watch period) in order 
to minimize the time during which marine mammals (particularly 
pinnipeds) may become attracted to the vessel. However, in some cases 
it will be necessary to conduct small net tows (e.g., bongo net) prior 
to deploying trawl gear.
    Once the trawl net is in the water, the OOD, CS, and/or crew 
standing watch will continue to visually monitor the surrounding waters 
and will maintain a lookout for marine mammal presence as far away as 
environmental conditions allow. If marine mammals are sighted before 
the gear is fully retrieved, the most appropriate response to avoid 
marine mammal interaction will be determined by the professional 
judgment of the CS, watch leader, OOD and other experienced crew as 
necessary. This judgment will be based on past experience operating 
trawl gears around marine mammals (i.e., best professional judgment) 
and on NWFSC training sessions that will facilitate dissemination of 
expertise operating in these situations (e.g., factors that contribute 
to marine mammal gear interactions and those that aid in successfully 
avoiding such events). Best professional judgment takes into 
consideration the species, numbers, and behavior of the animals, the 
status of the trawl net operation (e.g., net opening, depth, and 
distance from the stern), the time it would take to retrieve the net, 
and safety considerations for changing speed or course. We recognize 
that it is not possible to dictate in advance the exact course of 
action that the OOD or CS should take in any given event involving the 
presence of marine mammals in proximity to an ongoing trawl tow, given 
the sheer number of potential variables, combinations of variables that 
may determine the appropriate course of action, and the need to 
consider human safety in the operation of fishing gear at sea. 
Nevertheless, we require a full accounting of factors that shape both 
successful and unsuccessful decisions, and these details will be fed 
back into NWFSC training efforts and ultimately help to refine the best 
professional judgment that determines the course of action taken in any 
given scenario (see further discussion in ``Monitoring and 
Reporting'').
    If trawling operations have been suspended because of the presence 
of marine mammals, the vessel will resume trawl operations (when 
practicable) only when the animals are believed to have departed the 
area. This decision is at the discretion of the OOD/CS and is dependent 
on the situation.
    Standard survey protocols that are expected to lessen the 
likelihood of marine mammal interactions include standardized tow 
durations and distances. Standard tow durations of not more than thirty 
minutes at the target depth will typically be implemented, excluding 
deployment and retrieval time (which may require an additional thirty 
minutes, depending on target depth), to reduce the likelihood of 
attracting and incidentally taking marine mammals. Short tow durations 
decrease the opportunity for marine mammals to find the vessel and 
investigate. Trawl tow distances will be

[[Page 36375]]

less than 3 nautical miles (nmi)--typically 1-2 nmi, depending on the 
specific survey and trawl speed--which is expected to reduce the 
likelihood of attracting and incidentally taking marine mammals. In 
addition, care will be taken when emptying the trawl to avoid damage to 
marine mammals that may be caught in the gear but are not visible upon 
retrieval. The gear will be emptied as quickly as possible after 
retrieval in order to determine whether or not marine mammals are 
present. The vessel's crew will clean trawl nets prior to deployment to 
remove prey items that might attract marine mammals. Catch volumes are 
typically small with every attempt made to collect all organisms caught 
in the trawl.
    Marine mammal excluder device--Excluder devices are specialized 
modifications, typically used in trawl nets, which are designed to 
reduce bycatch by allowing non-target taxa to escape the net. These 
devices generally consist of a grid of bars fitted into the net that 
allow target species to pass through the bars into the codend while 
larger, unwanted taxa (e.g., turtles, sharks, mammals) strike the bars 
and are ejected through an opening in the net. Marine mammal excluder 
devices (MMED) have not been proven to be fully effective at preventing 
marine mammal capture in trawl nets (e.g., Chilvers, 2008) and are not 
expected to prevent marine mammal capture in NWFSC trawl surveys. It is 
difficult to effectively test such devices, in terms of effectiveness 
in excluding marine mammals as opposed to effects on target species 
catchability, because realistic field trials would necessarily involve 
marine mammal interactions with trawl nets. Use of artificial 
surrogates in field trials has not been shown to be a realistic 
substitute (Gibson and Isakssen, 1998). Nevertheless, we believe it 
reasonable to assume that use of MMEDs may reduce the likelihood of a 
given marine mammal interaction with trawl gear resulting in mortality. 
We do not infer causality, but note that annual marine mammal 
interactions with the Nordic 264 trawl net have been much reduced for 
NMFS's Southwest Fisheries Science Center (SWFSC) (relative to 2008) 
since their use of the MMED began.
    Multiple types of midwater trawl nets are used in NWFSC trawl 
surveys. The Nordic 264 trawl net, used as a surface trawl by NWFSC, is 
generally much larger than the midwater trawls, is fished at faster 
speeds, and has a different shape and functionality than these nets. 
Very few marine mammal interactions with NWFSC pelagic trawl gear have 
involved nets other than the Nordic 264 (one of 37 total incidents 
since 1999). Therefore, MMED use is not proposed for nets other than 
the Nordic 264.
    The NWFSC has tested the MMED design used by the SWFSC and found 
that it caused a significant loss of some salmon species that were the 
target of their research. More recent experiments have used video 
cameras attached to the net opening and near the excluder device to 
test different configurations of the excluder device to minimize loss 
of target species. The experiments have looked at adding weight and 
stiffeners to the flap covering the escape hatch to keep it closed and 
flipping the MMED so the escape hatch faces down rather than up. Based 
on preliminary results, this downward-pointing escape hatch appears to 
be the best design for minimizing loss of target species. Additional 
research will be necessary to calibrate catch levels in tows with the 
excluder device compared to past tows that did not contain the excluder 
(i.e., to align the new catchability rates with historical data sets). 
During these configuration and calibration experiments some nets will 
be fished without the MMED in order to provide controls for 
catchability. Once the NWFSC completes these experiments the MMED will 
be used in all future trawls with the Nordic 264. Please see 
``Monitoring and Reporting'' for additional discussion.
    Acoustic deterrent devices--Acoustic deterrent devices (pingers) 
are underwater sound-emitting devices that have been shown to decrease 
the probability of interactions with certain species of marine mammals 
when fishing gear is fitted with the devices. Multiple studies have 
reported significant decreases in marine mammal interactions with 
fishing gear following pinger deployment, with results reported for 
multiple species and gears (e.g., Kraus et al., 1997; Trippel et al., 
1999; Gearin et al., 2000; Palka et al., 2008; Barlow and Cameron, 
2003, Carretta et al., 2008; Carretta and Barlow, 2011). Pingers will 
be deployed during all surface trawl operations (i.e., using the Nordic 
264 net), with two pairs of pingers installed near the net opening. The 
vessel's crew will ensure that pingers are operational prior to 
deployment. Pinger brands typically used by NWFSC include the Aquatec 
Subsea Limited model AQUAmark and Fumunda Marine models F10 and F70, 
with the following attributes: (1) Operational depth of 10-200 m; (2) 
tones range from 200-400 ms in duration, repeated every five to six 
seconds; (3) variable frequency of 10-160 kHz; and (4) maximum source 
level of 145 dB rms re 1 [mu]Pa.
    Kodiak surface trawl and pair trawl gear--The Kodiak surface trawl, 
used only in Puget Sound, has only limited potential for marine mammal 
interaction. This gear type is a small net towed at slow speeds (about 
2 kn) as close to shore as the net can be fished, and these 
characteristics mean that marine mammals would likely be able to avoid 
the net or swim out of it if necessary. However, rules for cetaceans 
would be similar as for other net types (i.e., delay and/or move-on if 
cetaceans observed within approximately 500 m or clearly approaching 
from greater distance). If killer whales are observed at any distance, 
the net would not be deployed, and the move-on rule would be invoked.
    The pair trawl is used only in the Columbia River and is fished 
with an open codend. Although unlikely, there is some potential for 
pinnipeds to become entangled in the net material. NWFSC's practice, 
which would be allowed under section 109(h) of the MMPA, is to deter 
pinnipeds from encountering the net using pyrotechnic devices and other 
measures. Therefore, separate mitigation is not warranted, and we do 
not discuss NWFSC deterrence of pinnipeds associated with pair trawl 
surveys further in this document. Please see the NWFSC's Programmatic 
Environmental Assessment (EA) for further information about this 
practice.

Longline and Other Hook and Line Survey Visual Monitoring and 
Operational Protocols

    Visual monitoring requirements for all longline surveys are similar 
to the general protocols described above for trawl surveys. Please see 
that section for full details of the visual monitoring protocol and the 
move-on rule mitigation protocol. In summary, requirements for longline 
surveys are to: (1) Conduct visual monitoring during the 30-minute 
period prior to arrival on station; (2) implement the move-on rule if 
marine mammals are observed within the area around the vessel and may 
be at risk of interacting with the vessel or gear; (3) deploy gear as 
soon as possible upon arrival on station (depending on presence of 
marine mammals); and (4) maintain visual monitoring effort throughout 
deployment and retrieval of the longline gear. As was described for 
trawl gear, the OOD, CS, or watch leader will use best professional 
judgment to minimize the risk to marine mammals from potential gear 
interactions during deployment and retrieval of gear. If marine mammals 
are detected during

[[Page 36376]]

setting operations and are considered to be at risk, immediate 
retrieval or suspension of operations may be warranted. If operations 
have been suspended because of the presence of marine mammals, the 
vessel will resume setting (when practicable) only when the animals are 
believed to have departed the area. If marine mammals are detected 
during retrieval operations and are considered to be at risk, haul-back 
may be postponed. These decisions are at the discretion of the OOD/CS 
and are dependent on the situation. If killer whales are observed at 
any distance, the set would not occur and the move-on rule would be 
invoked.
    Other types of hook and line surveys (e.g., rod and reel) generally 
use the same protocols as longline surveys. However, for hook and line 
surveys in Puget Sound the move-on rule is not required for pinnipeds 
because they are commonly abundant on shore nearby hook and line 
sampling locations. Use of the move-on rule in these circumstances 
would represent an impracticable impact on NWFSC survey operations, and 
we note that no marine mammals have ever been captured in NWFSC hook 
and line surveys. However, the NWFSC would implement the move-on rule 
for hook and line surveys in Puget Sound for any cetaceans that are 
within 500 m and may be at risk of interaction with the survey 
operation. If killer whales are observed at any distance, fishing would 
not occur.
    As for trawl surveys, some standard survey protocols are expected 
to minimize the potential for marine mammal interactions. Soak times 
are typically short relative to commercial fishing operations, measured 
from the time the last hook is in the water to when the first hook is 
brought out of the water. NWFSC longline protocols specifically 
prohibit chumming (releasing additional bait to attract target species 
to the gear) and spent bait and offal is retained on the vessel until 
all gear has been retrieved. Some hook and line surveys use barbless 
hooks, which are less likely to injure a hooked animal.

Seine Survey Visual Monitoring and Operational Protocols

    Visual monitoring and operational protocols for seine surveys are 
similar to those described previously for trawl surveys, with a focus 
on visual observation in the survey area and avoidance of marine 
mammals that may be at risk of interaction with survey vessels or gear. 
For purse seine operations, visual monitoring is focused on avoidance 
of cetaceans and aggregations of pinnipeds. Individual or small numbers 
of pinnipeds may be attracted to purse seine operations, especially in 
Puget Sound, and are frequently observed to enter operational purse 
seines to depredate the catch and exit the net unharmed. Use of the 
move-on rule in these circumstances would represent an impracticable 
impact on NWFSC survey operations, and we note that no marine mammals 
have ever been captured in NWFSC seine surveys.
    If pinnipeds are in the immediate vicinity of a purse seine survey, 
the set may be delayed until animals move away or the move-on rule is 
determined to be appropriate, but the net would not be opened if 
already deployed and pinnipeds enter it. However, delay would not be 
invoked if only few pinnipeds are present (e.g., less than five), and 
they do not appear to obviously be at risk.
    If any dolphins or porpoises are observed within approximately 500 
m of the purse seine survey location, the set would be delayed. If any 
dolphins or porpoises are observed in the net, the net would be 
immediately opened to free the animals. If killer whales or other large 
whales are observed at any distance the net would not be set, and the 
move-on rule would be invoked.
    Beach seines are typically set nearshore by small boat crews, who 
visually survey the area prior to the set. The set would not be made 
within 200 m of any hauled pinnipeds. Otherwise, marine mammals are 
unlikely to be at risk of interaction with NWFSC beach seine 
operations, as the nets are relatively small and deployed and retrieved 
slowly. If a marine mammal is observed attempting to interact with the 
beach seine gear, the gear would immediately be lifted and removed from 
the water.
    Tangle net protocols--Tangle nets are used only in the Columbia 
River. NWFSC attempts to avoid pinnipeds by rotating sampling locations 
on a daily basis and by avoiding fishing near haulout areas. However, 
as was described for NWFSC use of pair trawl gear in the LCRRA, NWFSC 
also deters pinnipeds from interacting with tangle net gear as 
necessary using pyrotechnic devices and visual presence, a practice 
allowed under section 109(h) of the MMPA. Therefore, we do not discuss 
NWFSC deterrence of pinnipeds associated with tangle net surveys 
further in this document. Please see the NWFSC's draft Programmatic EA 
for further information about this practice. If pinniped presence in 
the vicinity of tangle net surveys is so abundant as to be 
uncontrollable through deterrence, sampling would be discontinued for a 
given day.
    We have carefully evaluated the NWFSC's planned mitigation measures 
and considered a range of other measures in the context of ensuring 
that we prescribed the means of effecting the least practicable adverse 
impact on the affected marine mammal species and stocks and their 
habitat. Our evaluation of potential measures included consideration of 
the following factors in relation to one another: (1) The manner in 
which, and the degree to which, the successful implementation of the 
measure is expected to minimize adverse impacts to marine mammals, (2) 
the proven or likely efficacy of the specific measure to minimize 
adverse impacts as planned; and (3) the practicability of the measure 
for applicant implementation.
    Any mitigation measure(s) we prescribe should be able to 
accomplish, have a reasonable likelihood of accomplishing (based on 
current science), or contribute to the accomplishment of one or more of 
the general goals listed below:
    (1) Avoidance or minimization of injury or death of marine mammals 
wherever possible (goals 2, 3, and 4 may contribute to this goal);
    (2) A reduction in the number (total number or number at 
biologically important time or location) of individual marine mammals 
exposed to stimuli expected to result in incidental take (this goal may 
contribute to 1, above, or to reducing takes by behavioral harassment 
only);
    (3) A reduction in the number (total number or number at a 
biologically important time or location) of times any individual marine 
mammal would be exposed to stimuli expected to result in incidental 
take (this goal may contribute to 1, above, or to reducing takes by 
behavioral harassment only);
    (4) A reduction in the intensity of exposure to stimuli expected to 
result in incidental take (this goal may contribute to 1, above, or to 
reducing the severity of behavioral harassment only);
    (5) Avoidance or minimization of adverse effects to marine mammal 
habitat, paying particular attention to the prey base, blockage or 
limitation of passage to or from biologically important areas, 
permanent destruction of habitat, or temporary disturbance of habitat 
during a biologically important time; and
    (6) For monitoring directly related to mitigation, an increase in 
the probability of detecting marine mammals, thus allowing for more 
effective implementation of the mitigation.
    Based on our evaluation of the NWFSC's proposed measures, as well 
as

[[Page 36377]]

other measures we considered, we have determined that these mitigation 
measures provide the means of effecting the least practicable adverse 
impact on marine mammal species or stocks and their habitat, paying 
particular attention to rookeries, mating grounds, and areas of similar 
significance.

Description of Marine Mammals in the Area of the Specified Activity

    We previously reviewed NWFSC's species descriptions--which 
summarize available information regarding status and trends, 
distribution and habitat preferences, behavior and life history, and 
auditory capabilities of the potentially affected species--for accuracy 
and completeness and referred readers to Sections 3 and 4 of NWFSC's 
application, as well as to NMFS's Stock Assessment Reports (SARs; 
www.fisheries.noaa.gov/national/marine-mammal-protection/marine-mammal-stock-assessments). We also provided information related to all species 
with expected potential for occurrence in the specified geographical 
region where NWFSC plans to conduct the specified activities, 
summarizing information related to the population or stock, including 
potential biological removal (PBR). Current information, as reported in 
the most recent final 2016 and draft 2017 SARs, is summarized in Table 
1 below (Carretta et al., 2017; Muto et al., 2017; 
www.fisheries.noaa.gov/national/marine-mammal-protection/draft-marine-mammal-stock-assessment-reports).

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[GRAPHIC] [TIFF OMITTED] TR27JY18.345

BILLING CODE 3510-22-C

    Prior to 2016, humpback whales were listed under the ESA as an 
endangered species worldwide. Following a 2015 global status review 
(Bettridge et al., 2015), NMFS established 14 distinct population 
segments (DPS) with different listing statuses (81 FR 62259; September 
8, 2016) pursuant to the ESA. The DPSs that occur in U.S. waters do not 
necessarily equate to the existing stocks designated under the MMPA and 
shown in Table 1. Because MMPA stocks cannot be portioned, i.e., parts 
managed as ESA-listed while other parts managed as not ESA-listed, 
until such time as the MMPA stock delineations are reviewed in light of 
the DPS designations, NMFS considers the existing humpback whale stocks 
under the MMPA to be endangered and depleted for MMPA management 
purposes (e.g., selection of a recovery factor, stock status). Within 
U.S. west coast waters, three current DPSs may occur: The Hawaii DPS 
(not listed), Mexico DPS (threatened), and Central America DPS 
(endangered).

[[Page 36382]]

Potential Effects of the Specified Activity on Marine Mammals and Their 
Habitat

    We provided a summary and discussion of the ways that components of 
the specified activity may impact marine mammals and their habitat in 
our notice of proposed rulemaking (81 FR 38516; June 13, 2016). 
Specifically, we considered potential effects to marine mammals from 
ship strike, physical interaction with various gear types, use of 
active acoustic sources, and visual disturbance of pinnipeds, as well 
as effects to prey species and to acoustic habitat. The information is 
not reprinted here.

Estimated Take by Incidental Harassment, Serious Injury, or Mortality

    Except with respect to certain activities not pertinent here, the 
MMPA defines ``harassment'' as: Any act of pursuit, torment, or 
annoyance which (i) has the potential to injure a marine mammal or 
marine mammal stock in the wild (Level A harassment); or (ii) has the 
potential to disturb a marine mammal or marine mammal stock in the wild 
by causing disruption of behavioral patterns, including, but not 
limited to, migration, breathing, nursing, breeding, feeding, or 
sheltering (Level B harassment). Serious injury means any injury that 
will likely result in mortality (50 CFR 216.3).
    Take of marine mammals incidental to NWFSC research activities 
could occur as a result of (1) injury or mortality due to gear 
interaction (Level A harassment, serious injury, or mortality); (2) 
behavioral disturbance resulting from the use of active acoustic 
sources (Level B harassment only); or (3) behavioral disturbance of 
pinnipeds resulting from incidental approach of researchers (Level B 
harassment only).

Estimated Take Due to Gear Interaction

    Historical Interactions--In order to estimate the number of 
potential incidents of take that could occur by M/SI through gear 
interaction, we first considered NWFSC's record of past such incidents, 
and then considered in addition other species that may have similar 
vulnerabilities to NWFSC trawl gear as those species for which we have 
historical interaction records. Historical interactions with NWFSC 
research gear were described in Table 4 of our notice of proposed 
rulemaking (81 FR 38516; June 13, 2016). Please see that document for 
more information. Available records are for the years 1999 through 
present. All historical interactions have taken place in the CCRA, 
offshore Washington and Oregon, and have occurred during use of the 
Nordic 264 surface trawl net, with a few exceptions. There is one 
historical interaction in the PSRA (also using the Nordic 264 surface 
trawl), and one CCRA historical interaction using the modified Cobb 
midwater trawl. NWFSC has no historical interactions for any bottom 
trawl, hook and line, or seine gear, and has no historical interactions 
in the LCRRA. Please see Figure 6-1 in the NWFSC request for 
authorization for specific locations of these incidents.
    Although some historical interactions resulted in the animal(s) 
being released alive, no serious injury determinations (NMFS, 2012a; 
2012b) were made, and it is possible that some of these animals later 
died. In order to use these historical interaction records in a 
precautionary manner as the basis for the take estimation process, and 
because we have no specific information to indicate whether any given 
future interaction might result in M/SI versus Level A harassment, we 
conservatively assume that all interactions equate to mortality. Over 
the past seventeen years, NWFSC has had only infrequent interactions 
with marine mammals, with 0.1-0.5 animals captured per year for the 
pinniped species and 1.4 animals captured per year for the Pacific 
white-sided dolphin. No Steller sea lion has been captured since 2002, 
northern fur seals have been involved in only one incident (none since 
2000), and only a few California sea lions and harbor seals have been 
involved in interactions with research fishing gear. However, we assume 
that any of these species could be captured in any year.
    In order to produce the most precautionary take estimates possible, 
we consider all of the data available to us (i.e., since 1999). In 
consideration of these interaction records, we assume that one 
individual of each species of otariid pinniped could be captured per 
year over the course of the five-year period of validity for these 
proposed regulations, that two individual harbor seals could be 
captured per year, and that the worst case event could happen each year 
for Pacific white-sided dolphins (i.e., six dolphins could be captured 
in a single trawl in each year). Table 2 shows the projected five-year 
total captures of these five species for this final rule, as described 
above, for trawl gear only. Although more than one individual of the 
two sea lion species has been captured in a single tow, interactions 
with these species have historically occurred only infrequently, and we 
believe that the above assumption appropriately reflects the likely 
total number of individuals involved in research gear interactions over 
a five-year period. We assume that two total harbor seals could be 
captured per year in recognition of the demonstrated vulnerability to 
capture in the PSRA (all other species have been captured only in the 
CCRA). These estimates are based on the assumption that annual effort 
(e.g., total annual trawl tow time) over the five-year authorization 
period will not exceed the annual effort during prior years for which 
we have interaction records.

                                 Table 2--Projected Five-Year Total Take in Trawl Gear for Historically Captured Species
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                  CCRA average annual take      PSRA average annual take
             Gear                          Species                         (total)                       (total)              Projected 5-year total 1
--------------------------------------------------------------------------------------------------------------------------------------------------------
Trawl........................  Pacific white-sided dolphin....                        6 (30)  ............................                            30
                               California sea lion............                         1 (5)  ............................                             5
                               Harbor seal....................                         1 (5)                         1 (5)                            10
                               Northern fur seal..............                         1 (5)  ............................                             5
                               Steller sea lion...............                         1 (5)  ............................                             5
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ Because there are no historical take records from the LCRRA, we incorporate all projected LCRRA takes in Table 3 below.

    In order to estimate the total potential number of incidents of M/
SI that could occur incidental to the NWFSC's use of trawl, hook and 
line, and seine gear over the five-year period of validity for these 
regulations (i.e., takes additional to those described in Table 4 of 
our notice of proposed rulemaking (81 FR 38516; June 13, 2016)), we 
first considered whether there are additional species that may have 
similar vulnerability to capture in trawl gear as the five species 
described above that have been taken historically and then evaluate the

[[Page 36383]]

potential vulnerability of these and other species to additional gears.
    In order to evaluate the potential vulnerability of additional 
species to trawl and of all species to hook and line and seine gear, we 
first consulted NMFS's List of Fisheries (LOF), which classifies U.S. 
commercial fisheries into one of three categories according to the 
level of incidental marine mammal M/SI that is known to occur on an 
annual basis over the most recent five-year period (generally) for 
which data has been analyzed. We provided this information, as 
presented in the 2015 LOF (79 FR 77919; December 29, 2014), in Table 6 
of our notice of proposed rulemaking (81 FR 38516; June 13, 2016) and 
do not reproduce it here.
    Information related to incidental M/SI in relevant commercial 
fisheries is not, however, the sole determinant of whether it may be 
appropriate to authorize M/SI incidental to NWFSC survey operations. A 
number of factors (e.g., species-specific knowledge regarding animal 
behavior, overall abundance in the geographic region, density relative 
to NWFSC survey effort, feeding ecology, propensity to travel in groups 
commonly associated with other species historically taken) were taken 
into account by the NWFSC to determine whether a species may have a 
similar vulnerability to certain types of gear as historically taken 
species. In some cases, we have determined that species without 
documented M/SI may nevertheless be vulnerable to capture in NWFSC 
research gear. Similarly, we have determined that some species groups 
with documented M/SI are not likely to be vulnerable to capture in 
NWFSC gear. In these instances, we provide further explanation below. 
Those species with no records of historical interaction with NWFSC 
research gear and no documented M/SI in relevant commercial fisheries, 
and for which the NWFSC has not requested the authorization of 
incidental take, are not considered further in this section. The NWFSC 
believes generally that any sex or age class of those species for which 
take authorization is requested could be captured.
    In order to estimate a number of individuals that could potentially 
be captured in NWFSC research gear for those species not historically 
captured, we first determine which species may have vulnerability to 
capture in a given gear. Of those species, we then determine whether 
any may have similar propensity to capture in a given gear as a 
historically captured species. These species are limited to a few 
delphinid species that we believe may have similar risk of capture as 
that displayed by the Pacific white-sided dolphin. For these species, 
we assume it is possible that a worst-case scenario of take could occur 
while at the same time contending that, absent significant range shifts 
or changes in habitat usage, capture of a species not historically 
captured would likely be a very rare event. The former assumption also 
accounts for the likelihood that, for species that often travel in 
groups, an incident involving capture of that species is likely to 
involve more than one individual.
    For example, we believe that the Risso's dolphin is potentially 
vulnerable to capture in trawl gear and may have similar propensity to 
capture in that gear as does the Pacific white-sided dolphin. Because 
the greatest number of Pacific white-sided dolphins captured in any one 
trawl tow was six individuals, we assume that six Risso's dolphins 
could also be captured in a single incident. However, in recognition of 
the fact that any incident involving the capture of Risso's dolphins 
would likely be a rare event, we propose a total take authorization 
over the five-year period of the number that may result from a single, 
worst-case incident (six dolphins). While we do not necessarily believe 
that six Risso's dolphins would be captured in a single incident--and 
that more capture incidents involving fewer individuals could occur, as 
opposed to a single, worst-case incident--we believe that this is a 
reasonable approach to estimating potential incidents of M/SI while 
balancing what could happen in a worst-case scenario with the potential 
likelihood that no incidents of capture would actually occur. The SWFSC 
historical capture of northern right whale dolphins in 2008 provides an 
instructive example of a situation where a worst-case scenario (six 
dolphins captured in a single trawl tow) did occur, but overall capture 
of this species was very rare (no other capture incidents before or 
since).
    Separately, for those species that we believe may have a 
vulnerability to capture in given gear but that we do not believe may 
have a similar propensity to capture in that gear as a historically-
captured species, we assume that capture would be a rare event such 
that authorization of a single take over the five-year period is likely 
sufficient to capture the risk of interaction. For example, from the 
LOF we infer vulnerability to capture in trawl gear for the Dall's 
porpoise but do not believe that this species has a similar propensity 
for interaction in trawl gear as the Pacific white-sided dolphin.
    Trawl: From the LOF and SWFSC historical gear interactions, we 
infer vulnerability to trawl gear in the CCRA for the Risso's dolphin, 
short- and long-beaked common dolphins, northern right whale dolphin, 
Dall's porpoise, harbor porpoise, and bottlenose dolphin (offshore 
stock only; NWFSC research has very little overlap with the 
distribution of the coastal stock of bottlenose dolphin). We consider 
some of these species to have a similar propensity for interaction with 
trawl gear as that demonstrated by the Pacific white-sided dolphin 
(Risso's dolphin, northern right whale dolphin) and the rest to have 
lower risk of interaction.
    Due to their likely presence in the relevant areas and inference 
based on historical interactions and the LOF, we assume additional 
vulnerability and therefore potential take for some of these species in 
trawl gear used in the PSRA and LCRRA. In the PSRA, these include the 
harbor porpoise, Dall's porpoise, California sea lion, and Steller sea 
lion. In the LCRRA these include the harbor porpoise, harbor seal, 
California sea lion, and Steller sea lion.
    For the striped dolphin, we believe that there is a reasonable 
likelihood of incidental take in trawl gear although there are no 
records of incidental M/SI in relevant commercial fisheries. The 
proposed take authorization for this species was determined to be 
appropriate based on analogy to other similar species that have been 
taken either in NWFSC operations or in analogous commercial fishery 
operations. We believe that the striped dolphin has a similar 
propensity for interaction with trawl gear as that demonstrated by the 
Pacific white-sided dolphin.
    It is also possible that a captured animal may not be able to be 
identified to species with certainty. Certain pinnipeds and small 
cetaceans are difficult to differentiate at sea, especially in low-
light situations or when a quick release is necessary. For example, a 
captured delphinid that is struggling in the net may escape or be freed 
before positive identification is made. This is only likely to occur in 
the CCRA due to the greater diversity of pinniped and small cetacean 
species likely to be encountered in that area. Therefore, the NWFSC has 
requested the authorization of incidental M/SI for one unidentified 
pinniped and one unidentified small cetacean over the course of the 
five-year period of proposed authorization.
    Hook and line: The process is the same as is described above for 
trawl gear. From the LOF and SWFSC historical interactions, we infer

[[Page 36384]]

vulnerability to hook and line gear in the CCRA for the Risso's 
dolphin, bottlenose dolphin, striped dolphin, pygmy and dwarf sperm 
whale (i.e., Kogia spp.), short- and long-beaked common dolphins, 
short-finned pilot whale, and California and Steller sea lions.
    Due to their likely presence in the relevant areas and inference 
based on historical interactions and the LOF, we assume additional 
vulnerability and therefore potential take for some of these species in 
hook and line gear used in the PSRA (hook and line gear is not used in 
the LCRRA). These include the California sea lion and harbor seal.
    Seine: The process is the same as is described above for trawl 
gear. From the LOF, we infer vulnerability to seine and tangle net gear 
in the CCRA and/or LCRRA for the short-beaked common dolphin, harbor 
seal, and California sea lion. Long-beaked common dolphin is not 
included because they are much rarer in Oregon and Washington where 
seine surveys are conducted. Seine gear is used infrequently in the 
PSRA (e.g., twelve purse seine sets per year) and the move-on rule 
applied if any small cetacean is seen within 500 m of the planned set. 
We do not believe that any take in seine gear is likely in the PSRA.
    We also believe that there is a reasonable potential of seine gear 
interaction for a number of species in the CCRA and/or LCRRA for which 
there are no LOF records of interaction in commercial fisheries gears. 
These authorizations reflect the NWFSC's expert judgment regarding the 
distribution of these species in relation to NWFSC use of seine gear 
offshore Oregon and Washington. For example, several of these species 
have the potential to interact with NWFSC purse seine surveys in the 
Columbia River plume, where there are no corresponding commercial seine 
fisheries. Therefore, we would not expect the LOF to adequately reflect 
the risk of marine mammal interaction posed by NWFSC survey activities. 
Species for which we authorize take in seine gear in the CCRA and/or 
LCRRA with no LOF interaction records include the Dall's porpoise, 
Pacific white-sided dolphin, Risso's dolphin, northern right whale 
dolphin, Steller sea lion, and harbor porpoise. For the harbor 
porpoise, we expect that there is greater vulnerability to take in 
these gears (i.e., we expect it could be taken in both the CCRA and 
LCRRA) and have increased the take authorization relative to the other 
species accordingly. NWFSC considers the delphinid species to be at 
risk because of their occurrence in coastal waters offshore Oregon and 
Washington, and because they often occur in mixed schools and could be 
caught together in purse seines.

                         Table 3--Total Estimated M/SI Due to Gear Interaction, 2018-23
----------------------------------------------------------------------------------------------------------------
                                                          Estimated 5-year
             Species                 Estimated 5-year     total, hook and      Estimated 5-year     Total, all
                                     total, trawl \1\         line \1\         total, seine \1\        gears
----------------------------------------------------------------------------------------------------------------
Kogia spp. \2\...................  ...................  1..................  ...................               1
Bottlenose dolphin \3\...........  1..................  1..................  ...................               2
Striped dolphin..................  6..................  1..................  ...................               7
Short-beaked common dolphin......  1..................  1..................  1..................               3
Long-beaked common dolphin.......  1..................  1..................  ...................               2
Pacific white-sided dolphin......  30.................  ...................  1..................              31
Northern right whale dolphin.....  6..................  ...................  1..................               7
Risso's dolphin..................  6..................  1..................  1..................               8
Short-finned pilot whale.........  ...................  1..................  ...................               1
Harbor porpoise \4\..............  3 (CCRA/PSRA/LCRRA)  ...................  2 (CCRA/LCRRA).....               5
Dall's porpoise..................  2 (CCRA/PSRA)......  ...................  1..................               3
Northern fur seal \5\............  5..................  ...................  ...................               5
California sea lion..............  7 (5 CCRA/PSRA/      2 (CCRA/PSRA)......  1 (LCRRA)..........              10
                                    LCRRA).
Steller sea lion.................  7 (5 CCRA/PSRA/      1..................  1 (LCRRA)..........               9
                                    LCRRA).
Harbor seal \4\..................  11 (5 CCRA/5 PSRA/   1 (PSRA)...........  1 (LCRRA)..........              13
                                    LCRRA.
Unidentified pinniped............  1..................  ...................  ...................               1
Unidentified small cetacean......  1..................  ...................  ...................               1
----------------------------------------------------------------------------------------------------------------
\1\ Please see our notice of proposed rulemaking (81 FR 38516; June 13, 2016) for full detail related to
  derivation of these take estimates. Takes proposed for authorization are not specific to any area, but our
  estimates are informed by area-specific vulnerability. All takes are expected to occur in the CCRA, except
  where the gear-specific breakdown of expected takes per area is provided. Note that hook and line surveys are
  not proposed for LCRRA and only limited seine surveys are proposed for PSRA.
\2\ We expect that only one Kogia spp. may be taken over the five-year timespan and that it could be either a
  pygmy or dwarf sperm whale.
\3\ Incidental take is expected only from the offshore stock.
\4\ Incidental take for these species may be of animals from any stock in California, Oregon, or Washington, but
  expected vulnerability may be assigned to CCE or Washington inland waters stocks according to the expected
  take proportions shown.
\5\ Incidental take may be of animals from either the eastern Pacific or California stock.

Estimated Take Due to Acoustic Harassment

    As described in our notice of proposed rulemaking (81 FR 38516; 
June 13, 2016; ``Potential Effects of the Specified Activity on Marine 
Mammals''), we believe that NWFSC use of active acoustic sources has, 
at most, the potential to cause Level B harassment of marine mammals. 
In order to attempt to quantify the potential for Level B harassment to 
occur, NMFS (including the NWFSC and acoustics experts from other parts 
of NMFS) developed an analytical framework considering characteristics 
of the active acoustic systems described in our notice of proposed 
rulemaking (81 FR 38516; June 13, 2016) under Description of Active 
Acoustic Sound Sources, their expected patterns of use, and 
characteristics of the marine mammal species that may interact with 
them. We believe that this quantitative assessment benefits from its 
simplicity and consistency with current NMFS acoustic guidance 
regarding Level B harassment but caution that, based on a number of 
deliberately precautionary assumptions, the resulting take estimates 
may be seen as an overestimate of the potential for behavioral 
harassment to occur as a result of the operation of these systems.
    In 2016, NMFS released updated ``Technical Guidance for Assessing 
the Effects of Anthropogenic Sound on Marine Mammal Hearing'' with 
revised metrics and thresholds to assess the potential for injury 
(e.g., permanent threshold shift) from acoustic sources. While the 
NWFSC's EA and our proposed rule refer to NMFS's historic guidelines, 
as the documents were completed prior to the recent release of the 
technical guidance, the conclusions regarding the potential for injury 
remain

[[Page 36385]]

the same. Most importantly, the technical guidance now explicitly takes 
into account the duration of the sound through the use of the sound 
exposure level (SEL) metric, as opposed to the previous use of rms 
sound pressure level (SPL). The effect of this different metric, in 
particular for the very short duration sounds used for these 
echosounders, is to largely reduce the exposure level of sound an 
animal is exposed to for short duration sounds (e.g., for a 1 
millisecond ping, an SPL source level is reduced by 30 dB in the SEL 
metric) offsetting changes in the thresholds themselves. While energy 
is accumulated over time using SEL, the previous conclusion that an 
individual would have to remain exceptionally close to a sound source 
for unrealistic lengths of time holds, suggesting the likelihood of 
injury occurring is exceedingly small and is therefore not considered 
further in this analysis.
    The operating frequencies of active acoustic systems used by NWFSC 
sources only go down to 27-33 kHz for the trawl monitoring system, 
which is not one of the predominant sources, and to 38 kHz for the EK60 
echosounder (see Tables 2 and 8 from our notice of proposed rulemaking 
(81 FR 38516; June 13, 2016)). These frequencies are above the hearing 
range of baleen whales (i.e., mysticetes); therefore, baleen whales 
would not be expected to perceive signals from NWFSC active acoustic 
sources. We would not expect any exposures to these signals to result 
in behavioral harassment. Baleen whales are not considered further in 
this section.
    The assessment paradigm for active acoustic sources used in NWFSC 
fisheries research is relatively straightforward and has a number of 
key simplifying assumptions. NMFS's current acoustic guidance requires 
in most cases that we assume Level B harassment occurs when a marine 
mammal receives an acoustic signal at or above a simple step-function 
threshold. For use of these active acoustic systems, the appropriate 
threshold is 160 dB re 1 [mu]Pa (rms). Estimating the number of 
exposures at the specified received level requires several 
determinations, each of which is described sequentially below:
    (1) A detailed characterization of the acoustic characteristics of 
the effective sound source or sources in operation;
    (2) The operational areas exposed to levels at or above those 
associated with Level B harassment when these sources are in operation;
    (3) A method for quantifying the resulting sound fields around 
these sources; and
    (4) An estimate of the average density for marine mammal species in 
each area of operation.
    Quantifying the spatial and temporal dimension of the sound 
exposure footprint (or ``swath width'') of the active acoustic devices 
in operation on moving vessels and their relationship to the average 
density of marine mammals enables a quantitative estimate of the number 
of individuals for which sound levels exceed the relevant threshold for 
each area. The number of potential incidents of Level B harassment is 
ultimately estimated as the product of the volume of water ensonified 
at 160 dB rms or higher and the volumetric density of animals 
determined from simple assumptions about their vertical stratification 
in the water column. Specifically, reasonable assumptions based on what 
is known about diving behavior across different marine mammal species 
were made to segregate those that predominately remain in the upper 200 
m of the water column versus those that regularly dive deeper during 
foraging and transit. We described the approach used (including methods 
for estimating each of the calculations described above) and the 
assumptions made that result in conservative estimates in significant 
detail in our notice of proposed rulemaking (81 FR 38516; June 13, 
2016). There have been no changes made to the approach, the 
informational inputs, or the results. Therefore, we do not repeat the 
discussion here and refer the reader to the proposed rule. Summaries of 
the results are provided in Table 4 below. Note that NWFSC only uses 
active acoustic systems for data acquisition purposes in the CCRA, not 
in the LCRRA or PSRA.

                     Table 4--Densities and Estimated Source-, Stratum-, and Species-Specific Annual Estimates of Level B Harassment
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                        Estimated Level B       Estimated Level
                                                                     Area density     Volumetric       harassment,  0-200 m      B harassment,
                   Species                     Shallow      Deep       (animals/        density    ---------------------------      >200 m        Total
                                                                      km\2\) \1\       (animals/                              ------------------
                                                                                      km\3\) \2\      EK60     ME70     SX90     EK60     SX90
--------------------------------------------------------------------------------------------------------------------------------------------------------
Sperm whale.................................  .........         X            0.002           0.003        1        0        1        3        1        6
Kogia spp...................................  .........         X            0.001           0.002        0        0        1        2        0        3
Cuvier's beaked whale.......................  .........         X            0.004           0.008        2        1        2        7        2       14
Baird's beaked whale........................  .........         X            0.001           0.002        0        0        1        2        0        3
Mesoplodont beaked whales...................  .........         X            0.001           0.002        0        0        1        2        0        3
Bottlenose dolphin..........................         X   .........           0.002           0.009        2        1        3        0        0        6
Striped dolphin.............................         X   .........           0.017           0.083       18        6       25        0        0       49
Long-beaked common dolphin..................         X   .........           0.019           0.096       20        7       28        0        0       55
Short-beaked common dolphin.................         X   .........           0.309           1.547      325      115      455        0        0      895
Pacific white-sided dolphin.................         X   .........           0.021           0.105       22        8       31        0        0       61
Northern right whale dolphin................         X   .........           0.010           0.049       10        4       14        0        0       28
Risso's dolphin.............................         X   .........           0.010           0.052       11        4       15        0        0       30
Killer whale................................         X   .........           0.001           0.004        1        0        1        0        0        2
Short-finned pilot whale....................  .........         X           0.0003           0.001        0        0        0        1        0        1
Harbor porpoise.............................         X   .........       \4\ 0.038           0.189       40       14       56        0        0      110
Dall's porpoise.............................         X   .........           0.076           0.378       79       28      111        0        0      218
Guadalupe fur seal..........................         X   .........       \3\ 0.007           0.037        8        3       11        0        0       22
Northern fur seal...........................         X   .........       \3\ 0.649           3.245      682      241      955        0        0    1,878
California sea lion.........................         X   .........       \3\ 0.297           1.484      312      110      437        0        0      859
Steller sea lion............................         X   .........       \3\ 0.060           0.301       63       22       89        0        0      174
Harbor seal.................................         X   .........       \3\ 0.056           0.279       59       21       82        0        0      162
Northern elephant seal......................  .........         X        \3\ 0.179           0.358       75       27      105      336       79      622
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ All density estimates from Barlow and Forney (2007) unless otherwise indicated.
\2\ Volumetric density estimates derived by dividing area density estimates by 0.2 km (for shallow species) or 0.5 km (for deep species), corresponding
  with defined depth strata.
\3\ Density estimates derived by NWFSC from SAR abundance estimates and notional study area of 1,000,000 km\2\.
\4\ ManTech-SRS Technologies (2007) estimated a harbor porpoise density for coastal and inland waters of Washington, which is used as the best available
  proxy here. There are no known density estimates for harbor porpoises in NWFSC survey areas in the CCRA.


[[Page 36386]]

Estimated Take Due to Physical Disturbance

    Estimated take due to physical disturbance could potentially happen 
in the PSRA and LCRRA, and would result in no greater than Level B 
harassment. It is likely that some pinnipeds will move or flush from 
known haulouts into the water in response to the presence or sound of 
NWFSC vessels or researchers, as a result of unintentional approach 
during survey activity. Behavioral responses may be considered 
according to the scale shown in Table 5 and based on the method 
developed by Mortenson (1996). We consider responses corresponding to 
Levels 2-3 to constitute Level B harassment.

                  Table 5--Seal Response to Disturbance
------------------------------------------------------------------------
       Level               Type of response             Definition
------------------------------------------------------------------------
1..................  Alert......................  Seal head orientation
                                                   or brief movement in
                                                   response to
                                                   disturbance, which
                                                   may include turning
                                                   head towards the
                                                   disturbance, craning
                                                   head and neck while
                                                   holding the body
                                                   rigid in a u-shaped
                                                   position, changing
                                                   from a lying to a
                                                   sitting position, or
                                                   brief movement of
                                                   less than twice the
                                                   animal's body length.
2..................  Movement...................  Movements away from
                                                   the source of
                                                   disturbance, ranging
                                                   from short
                                                   withdrawals at least
                                                   twice the animal's
                                                   body length to longer
                                                   retreats over the
                                                   beach.
3..................  Flight.....................  All retreats (flushes)
                                                   to the water.
------------------------------------------------------------------------

    The NWFSC has estimated potential incidents of Level B harassment 
due to physical disturbance (Table 6) by considering the number of 
seals believed to potentially be present at affected haul-outs and the 
number of visits expected to be made by NWFSC researchers. The number 
of haulouts disturbed and number of animals assumed to be on those 
haulouts was determined by NWFSC on the basis of anecdotal evidence 
from researchers. Although not all individuals on ``disturbed'' 
haulouts would necessarily actually be disturbed, and some haulouts may 
experience some disturbance at distances greater than expected, we 
believe that this approach is a reasonable effort towards accounting 
for this potential source of disturbance.

      Table 6--Estimated Annual Level B Harassment of Pinnipeds Associated With Disturbance by Researchers
----------------------------------------------------------------------------------------------------------------
                                                          Estimated total
                                                         number of animals                      Estimated annual
             Species                     Location          on potentially    Number of visits       Level B
                                                          disturbed haul-        per year          harassment
                                                                outs
----------------------------------------------------------------------------------------------------------------
Harbor seal......................  Puget Sound.........              1,440                  8             11,520
                                   Columbia River......              3,000                 25             75,000
California sea lion..............  Puget Sound.........                350                  8              2,800
----------------------------------------------------------------------------------------------------------------

Summary of Estimated Incidental Take

    Here we provide a summary of the total incidental take 
authorization on an annual basis, as well other information relevant to 
the negligible impact analysis. Table 7 shows information relevant to 
our negligible impact analysis concerning the total annual taking that 
could occur for each stock from NMFS's scientific research activities 
when considering incidental take previously authorized for SWFSC (80 FR 
58982; September 30, 2015) and take authorized for NWFSC. As footnoted 
in Table 7, the indicated level of take could occur to any species or 
stock for those species with multiple stocks (e.g., northern fur seal) 
or considered as a group (e.g., Mesoplodont beaked whales). However, 
the harbor porpoise and harbor seal each have multiple stocks spanning 
the three NWFSC research areas, and we provide further detail regarding 
our consideration of potential take specific to stocks that may occur 
in the PSRA and LCRRA. Many stocks do not occur in those research areas 
and, therefore, would not be vulnerable to interaction with research 
gear deployed in those areas.
    For harbor porpoise, we authorize a total of five takes by M/SI for 
all stocks combined over the five-year period of validity for these 
regulations. For the purposes of the negligible impact analysis, we 
assume that all of these takes could potentially be in the form of M/
SI; PBR is not intended for assessment of the significance of 
harassment. These takes could occur to any stock; however, our take 
authorization is informed by reasonable expectation regarding species 
vulnerability to gear used in the three research areas. Of the five 
total takes, we expect that two might occur in the CCRA, one in the 
PSRA, and two in the LCRRA. Therefore, corresponding with the 
relationship between stock ranges and the location of NWFSC research 
activities, the likely maximum takes that could accrue to any harbor 
porpoise stock from California to southern Oregon would be two, while 
the northern Oregon/Washington coast stock could potentially accrue 
four takes because it is vulnerable to the takes expected in either the 
CCRA or LCRRA. In Table 7 below, the total take authorization column 
reflects the total of four takes that could occur in either the CCRA or 
LCRRA (and the one take expected in the PSRA, which would occur to the 
Washington inland waters stock). However, the estimated maximum annual 
take column reflects the annualized stock-specific risk, i.e., any 
stock in the CA-southern OR grouping is expected to be vulnerable to a 
maximum of two takes over the 5-year period (0.4/year) while the 
northern OR/WA coast stock could be vulnerable to as many as four takes 
over the five years (0.8/year). This stock-specific accounting does not 
change our expectation that a total of five takes would occur for all 
stocks combined but informs our stock-specific negligible impact 
analysis.
    Similarly, the harbor seal has separate designated stocks that may 
occur in all three research areas. We will authorize a total of 
thirteen takes by M/SI for all harbor seal stocks combined, and expect 
that five of these may occur in the CCRA, six in the PSRA, and two in 
the LCRRA. Therefore, while we would expect that a maximum of five 
takes could accrue to the California stock, as many as seven takes 
could occur for the Oregon/Washington coastal stock (which is the only 
stock that may occur in the LCRRA). Although NMFS has split the former 
Washington inland waters stock of harbor seals into three separate 
stocks, we do not have sufficient information to assess stock-specific 
risk in the PSRA. Separately,

[[Page 36387]]

we have estimated that 162 incidents of acoustic harassment may occur 
for harbor seals due to NWFSC use of active acoustic systems (in the 
CCRA only) and that, due to the physical presence of researchers, 
individual harbor seals on haulouts (as many as 3,000) may be disturbed 
up to 25 times per year in the LCRRA. Therefore, as shown in Table 7, 
the California stock of harbor seals is vulnerable to only the 
estimated 162 acoustic harassment takes, but the OR/WA coast stock 
would be vulnerable to both the acoustic harassment takes as well as 
the physical disturbance takes. However, note that the percent of 
estimated population is calculated considering the number of 
individuals anticipated to be disturbed rather than the number of 
incidents of disturbance.
    We previously authorized take of marine mammals incidental to 
fisheries research operations conducted by the SWFSC (see 80 FR 58982 
and 80 FR 68512). This take would occur to some of the same stocks for 
which we will authorize take incidental to NWFSC fisheries research 
operations. Therefore, in order to evaluate the likely impact of the 
take by M/SI to be authorized pursuant to this rule, we consider not 
only other ongoing sources of human-caused mortality but the potential 
mortality authorized for SWFSC. As used in this document, other ongoing 
sources of human-caused (anthropogenic) mortality refers to estimates 
of realized or actual annual mortality reported in the SARs and does 
not include authorized or unknown mortality. Below, we consider the 
total taking by M/SI authorized for NWFSC and previously authorized for 
SWFSC together to produce a maximum annual M/SI take level (including 
take of unidentified marine mammals that could accrue to any relevant 
stock) and compare that value to the stock's PBR value, considering 
ongoing sources of anthropogenic mortality (as described in footnote 4 
of Table 7 and in the following discussion). PBR and annual M/SI values 
considered in Table 7 reflect the most recent information available.

                                    Table 7--Summary Information Related to NWFSC Annual Take Authorization, 2018-23
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                     Total annual
                                        Level B       Percent of    Proposed total  SWFSC total  M/    Estimated
            Species \1\               harassment       estimated       M/SI \3\           SI            maximum       PBR minus annual M/SI      Stock
                                     authorization    population    authorization,  authorization,    annual M/SI            (%) \5\           trend \6\
                                          \2\          abundance        2018-23         2015-20           \4\
--------------------------------------------------------------------------------------------------------------------------------------------------------
Sperm whale.......................               6             0.3               0               0               0  n/a.....................          ?
Kogia spp.........................               3             0.1               1               1             0.4  19.2 (2.1)..............          ?
Cuvier's beaked whale.............              14             0.4               0               0               0  n/a.....................     [darr]
Baird's beaked whale..............               3             0.1               0               0               0  n/a.....................          ?
Mesoplodont beaked whales.........               3             0.1               0               0               0  n/a.....................     [darr]
Bottlenose dolphin (offshore                     6             0.3               2               9             2.6  9.4 (27.7)..............          ?
 stock).
Striped dolphin...................              49             0.2               7              12             4.2  237.2 (1.8).............          ?
Long-beaked common dolphin........              55             0.1               2              12             3.2  621.6 (0.5).............     [uarr]
Short-beaked common dolphin.......             895             0.1               3              12             3.4  8,353 (<0.1)............          ?
Pacific white-sided dolphin.......              61             0.2              31              35            13.6  189.1 (7.2).............          ?
Northern right whale dolphin......              28             0.1               7              10             3.8  175.2 (2.2).............          ?
Risso's dolphin...................              30             0.5               8              12             4.4  42.3 (10.4).............          ?
Killer whale \7\..................               2             0.8               0               0               0  n/a.....................          ?
Short-finned pilot whale..........               1             0.1               1               1             0.4  3.3 (12.1)..............          ?
Harbor porpoise (CA-southern OR                110             3.8               4               5             1.8  20.4 (8.8)..............          ?
 stocks) \7\.
Harbor porpoise (Northern OR/WA     ..............  ..............  ..............  ..............             2.2  148 (1.5)...............          ?
 coast).
Harbor porpoise (WA inland waters)               0             n/a               1               0             0.2  58.8 (0.3)..............          ?
Dall's porpoise...................             218             0.9               3               5               2  171.7 (1.2).............          ?
Guadalupe fur seal................              22             0.1               0               0               0  n/a.....................     [uarr]
Northern fur seal \6\.............       \8\ 1,878             0.3               5               5             2.4  449.4 (0.5).............     [uarr]
California sea lion...............           3,659             0.4              10              25             7.6  8,815 (0.1).............     [uarr]
Steller sea lion..................             174             0.4               9              10             4.4  2,390.6 (0.2)...........     [uarr]
Harbor seal (CA)..................          75,162             0.6               5               9             3.2  1,598.2 (0.2)...........     [rarr]
Harbor seal (OR/WA coast).........  ..............            12.8               2  ..............             1.8  Unknown.................     [rarr]
Harbor seal (WA inland waters)....          11,520            10.5               6               0             1.2  Unknown.................     [rarr]
Northern elephant seal............             622             0.3               5               5             2.2  4,873.2 (0.1)...........     [uarr]
Unidentified small cetacean.......             n/a             n/a               1               1             n/a  n/a.....................        n/a
Unidentified pinniped.............             n/a             n/a               1               2             n/a  n/a.....................        n/a
--------------------------------------------------------------------------------------------------------------------------------------------------------
 Please see our notice of proposed rulemaking (81 FR 38516; June 13, 2016) for full details.
\1\ For species with multiple stocks or for species groups (Kogia spp. and Mesoplodont beaked whales), indicated level of take could occur to
  individuals from any stock or species except as indicated in table.
\2\ Level B harassment totals include estimated take due to acoustic harassment and, for harbor seals and California sea lions, estimated take due to
  physical disturbance. Active acoustic devices are not used for data acquisition in the PSRA; therefore, no takes by acoustic harassment are expected
  for stocks that occur entirely or largely in inland waters (e.g., resident killer whales). Takes by physical disturbance for pinniped species
  represent repeated takes of smaller numbers of individuals (e.g., we expect as many as 1,440 harbor seals in the PSRA to be harassed on as many as
  eight occasions). The ``percent of estimated population'' column represents this smaller number of individuals taken rather than the total number of
  take incidents.
\3\ As explained earlier in this document, gear interaction could result in mortality, serious injury, or Level A harassment. Because we do not have
  sufficient information to enable us to parse out these outcomes, we present such take as a pool. For purposes of this negligible impact analysis we
  assume the worst case scenario (that all such takes result in mortality).

[[Page 36388]]

 
\4\ This column represents the total number of incidents of M/SI that could potentially accrue to the specified species or stock as a result of NMFS'
  fisheries research activities and is the number carried forward for evaluation in the negligible impact analysis (later in this document). To reach
  this total, we add one to the total for each pinniped or cetacean that may be captured in trawl gear in the CCRA. This represents the potential that
  the take of an unidentified pinniped or small cetacean could accrue to any given stock captured in that gear in that area. The take authorization is
  formulated as a five-year total; the annual average is used only for purposes of negligible impact analysis. We recognize that portions of an animal
  may not be taken in a given year.
\5\ This value represents the calculated PBR less the average annual estimate of ongoing anthropogenic mortalities (i.e., total annual human-caused M/
  SI, which is presented in the SARs). For the Pacific-white sided dolphin, harbor seal (California stock), northern fur seal (California stock),
  Steller sea lion, and California sea lion, we subtract the annual average of mortalities occurring incidental to fisheries research from the total
  human-caused M/SI prior to calculating this value, as we explicitly account for predicted future mortalities incidental to fisheries research via the
  estimated maximum annual M/SI column. In parentheses, we provide the estimated maximum annual M/SI expressed as a percentage of this value.
\6\ See relevant SARs for more information regarding stock status and trends. Interannual increases may not be interpreted as evidence of a trend. Based
  on the most recent abundance estimates, harbor seal stocks may have reached carrying capacity and appear stable. A time series of stock-specific
  abundance estimates for harbor porpoise shows either increasing or stable estimates, but it is not statistically valid to infer a trend.
\7\ These species have multiple stocks that may be affected. Values for ``percent of estimated population'' and ``PBR--annual M/SI'' (where relevant)
  calculated for the stock with the lowest population abundance and/or PBR (as appropriate). This approach assumes that all indicated takes would accrue
  to the stock in question, which is a very conservative assumption. Stocks in question are the offshore killer whale, Morro Bay harbor porpoise, and
  California northern fur seal.
\8\ Calculated on the basis of relative abundance; i.e., of 1,878 total estimated incidents of Level B harassment, we would expect on the basis of
  relative abundance in the study area that 98 percent would accrue to the Pribilof Islands/Eastern Pacific stock and two percent would accrue to the
  California stock.

Negligible Impact Analysis and Determination

    We received no public comments or new information indicating any 
deficiencies in our preliminary determinations, as provided in our 
notice of proposed rulemaking (81 FR 38516; June 13, 2016).
    Introduction--NMFS has defined negligible impact as an impact 
resulting from the specified activity that cannot be reasonably 
expected to, and is not reasonably likely to, adversely affect the 
species or stock through effects on annual rates of recruitment or 
survival (50 CFR 216.103). A negligible impact finding is based on the 
lack of likely adverse effects on annual rates of recruitment or 
survival (i.e., population-level effects). An estimate of the number of 
takes alone is not enough information on which to base an impact 
determination. In addition to considering estimates of the number of 
marine mammals that might be ``taken'' by mortality, serious injury, 
and Level A or Level B harassment, we consider other factors, such as 
the likely nature of any behavioral responses (e.g., intensity, 
duration), the context of any such responses (e.g., critical 
reproductive time or location, migration), as well as effects on 
habitat, and the likely effectiveness of mitigation. We also assess the 
number, intensity, and context of estimated takes by evaluating this 
information relative to population status. Consistent with the 1989 
preamble for NMFS's implementing regulations (54 FR 40338; September 
29, 1989), the impacts from other past and ongoing anthropogenic 
activities are incorporated into this analysis via their impacts on the 
environmental baseline (e.g., as reflected in the regulatory status of 
the species, population size and growth rate where known, ongoing 
sources of human-caused mortality, and specific consideration of take 
by M/SI previously authorized for other NMFS research activities).
    We note here that the takes from potential gear interactions 
enumerated below could result in non-serious injury, but their worse 
potential outcome (mortality) is analyzed for the purposes of the 
negligible impact determination. We discuss here the connection between 
the mechanisms for authorizing incidental take under section 101(a)(5) 
for activities, such as NWFSC's research activities, and for 
authorizing incidental take from commercial fisheries. In 1988, 
Congress amended the MMPA's provisions for addressing incidental take 
of marine mammals in commercial fishing operations. Congress directed 
NMFS to develop and recommend a new long-term regime to govern such 
incidental taking (see MMC, 1994). The need to develop a system suited 
to the unique circumstances of commercial fishing operations led NMFS 
to suggest a new conceptual means and associated regulatory framework. 
That concept, Potential Biological Removal (PBR), and a system for 
developing plans containing regulatory and voluntary measures to reduce 
incidental take for fisheries that exceed PBR were incorporated as 
sections 117 and 118 in the 1994 amendments to the MMPA.
    PBR is defined in the MMPA (16 U.S.C. 1362(20)) as the maximum 
number of animals, not including natural mortalities, that may be 
removed from a marine mammal stock while allowing that stock to reach 
or maintain its optimum sustainable population, and is a measure to be 
considered when evaluating the effects of M/SI on a marine mammal 
species or stock. Optimum sustainable population (OSP) is defined by 
the MMPA (16 U.S.C. 1362(9)) as the number of animals which will result 
in the maximum productivity of the population or the species, keeping 
in mind the carrying capacity of the habitat and the health of the 
ecosystem of which they form a constituent element. A primary goal of 
the MMPA is to ensure that each species or stock of marine mammal is 
maintained at or returned to its OSP.
    PBR values are calculated by NMFS as the level of annual removal 
from a stock that will allow that stock to equilibrate within OSP at 
least 95 percent of the time, and is the product of factors relating to 
the minimum population estimate of the stock (Nmin); the 
productivity rate of the stock at a small population size; and a 
recovery factor. Determination of appropriate values for these three 
elements incorporates significant precaution, such that application of 
the parameter to the management of marine mammal stocks may be 
reasonably certain to achieve the goals of the MMPA. For example, 
calculation of Nmin incorporates the precision and 
variability associated with abundance information and is intended to 
provide reasonable assurance that the stock size is equal to or greater 
than the estimate (Barlow et al., 1995). In general, the three factors 
are developed on a stock-specific basis in consideration of one another 
in order to produce conservative PBR values that appropriately account 
for both imprecision that may be estimated as well as potential bias 
stemming from lack of knowledge (Wade, 1998).
    PBR can be used as a consideration of the effects of M/SI on a 
marine mammal stock but was applied specifically to work within the 
management framework for commercial fishing incidental take. PBR cannot 
be applied appropriately outside of the section 118 regulatory 
framework for which it was

[[Page 36389]]

designed without consideration of how it applies in section 118 and how 
other statutory management frameworks in the MMPA differ. PBR was not 
designed as an absolute threshold limiting commercial fisheries, but 
rather as a means to evaluate the relative impacts of those activities 
on marine mammal stocks. Even where commercial fishing is causing M/SI 
at levels that exceed PBR, the fishery is not suspended. When M/SI 
exceeds PBR, NMFS may develop a take reduction plan, usually with the 
assistance of a take reduction team. The take reduction plan will 
include measures to reduce and/or minimize the taking of marine mammals 
by commercial fisheries to a level below the stock's PBR. That is, 
where the total annual human-caused M/SI exceeds PBR, NMFS is not 
required to halt fishing activities contributing to total M/SI but 
rather utilizes the take reduction process to further mitigate the 
effects of fishery activities via additional bycatch reduction 
measures. PBR is not used to grant or deny authorization of commercial 
fisheries that may incidentally take marine mammals.
    Similarly, to the extent consideration of PBR may be relevant to 
considering the impacts of incidental take from activities other than 
commercial fisheries, using it as the sole reason to deny incidental 
take authorization for those activities would be inconsistent with 
Congress's intent under section 101(a)(5) and the use of PBR under 
section 118. The standard for authorizing incidental take under section 
101(a)(5) continues to be, among other things, whether the total taking 
will have a negligible impact on the species or stock. When Congress 
amended the MMPA in 1994 to add section 118 for commercial fishing, it 
did not alter the standards for authorizing non-commercial fishing 
incidental take under section 101(a)(5), acknowledging that negligible 
impact under section 101(a)(5) is a separate standard from PBR under 
section 118. In fact, in 1994 Congress also amended section 
101(a)(5)(E) (a separate provision governing commercial fishing 
incidental take for species listed under the Endangered Species Act) to 
add compliance with the new section 118 but kept the requirement for a 
negligible impact finding, showing that the determination of negligible 
impact and application of PBR may share certain features but are 
different.
    Since the introduction of PBR, NMFS has used the concept almost 
entirely within the context of implementing sections 117 and 118 and 
other commercial fisheries management-related provisions of the MMPA. 
The MMPA requires that PBR be estimated in stock assessment reports and 
that it be used in applications related to the management of take 
incidental to commercial fisheries (i.e., the take reduction planning 
process described in section 118 of the MMPA and the determination of 
whether a stock is ``strategic'' (16 U.S.C. 1362(19))), but nothing in 
the MMPA requires the application of PBR outside the management of 
commercial fisheries interactions with marine mammals.
    Nonetheless, NMFS recognizes that as a quantitative metric, PBR may 
be useful in certain instances as a consideration when evaluating the 
impacts of other human-caused activities on marine mammal stocks. 
Outside the commercial fishing context, and in consideration of all 
known human-caused mortality, PBR can help inform the potential effects 
of M/SI caused by activities authorized under 101(a)(5)(A) on marine 
mammal stocks. As noted by NMFS and the USFWS in our implementation 
regulations for the 1986 amendments to the MMPA (54 FR 40341, September 
29, 1989), the Services consider many factors, when available, in 
making a negligible impact determination, including, but not limited 
to, the status of the species or stock relative to OSP (if known), 
whether the recruitment rate for the species or stock is increasing, 
decreasing, stable, or unknown, the size and distribution of the 
population, and existing impacts and environmental conditions. To 
specifically use PBR, along with other factors, to evaluate the effects 
of M/SI, we first calculate a metric for each species or stock that 
incorporates information regarding ongoing anthropogenic M/SI into the 
PBR value (i.e., PBR minus the total annual anthropogenic mortality/
serious injury estimate), which is called ``residual PBR'' (Wood et 
al., 2012). We then consider how the anticipated potential incidental 
M/SI from the activities being evaluated compares to residual PBR. 
Anticipated or potential M/SI that exceeds residual PBR is considered 
to have a higher likelihood of adversely affecting rates of recruitment 
or survival, while anticipated M/SI that is equal to or less than 
residual PBR has a lower likelihood (both examples given without 
consideration of other types of take, which also factor into a 
negligible impact determination). In such cases where the anticipated 
M/SI is near, at, or above residual PBR, consideration of other 
factors, including those outlined above as well as mitigation and other 
factors (positive or negative), is especially important to assessing 
whether the M/SI will have a negligible impact on the stock. As 
described above, PBR is a conservative metric and is not intended to be 
used as a solid cap on mortality--accordingly, impacts from M/SI that 
exceed residual PBR may still potentially be found to be negligible in 
light of other factors that offset concern, especially when robust 
mitigation and adaptive management provisions are included.
    Alternately, for a species or stock with incidental M/SI less than 
10 percent of residual PBR, we consider M/SI from the specified 
activities to represent an insignificant incremental increase in 
ongoing anthropogenic M/SI that alone (i.e., in the absence of any 
other take) cannot affect annual rates of recruitment and survival. In 
a prior incidental take rulemaking and in the commercial fishing 
context, this threshold is identified as the significance threshold, 
but it is more accurately an insignificance threshold outside 
commercial fishing because it represents the level at which there is no 
need to consider other factors in determining the role of M/SI in 
affecting rates of recruitment and survival. Assuming that any 
additional incidental take by harassment would not exceed the 
negligible impact level, the anticipated M/SI caused by the activities 
being evaluated would have a negligible impact on the species or stock. 
This 10 percent was identified as a workload simplification 
consideration to avoid the need to provide unnecessary additional 
information when the conclusion is relatively obvious, but as described 
above, values above 10 percent have no particular significance 
associated with them until and unless they approach residual PBR.
    Our evaluation of the M/SI for each of the species and stocks for 
which mortality could occur follows. In addition, all mortality 
authorized for some of the same species or stocks over the next several 
years pursuant to our final rulemaking for the NMFS Southwest Fisheries 
Science Center has been incorporated into the residual PBR.
    We first consider maximum potential incidental M/SI for each stock 
(Table 7) in consideration of NMFS's threshold for identifying 
insignificant M/SI take (10 percent of residual PBR (69 FR 43338; July 
20, 2004)). By considering the maximum potential incidental M/SI in 
relation to PBR and ongoing sources of anthropogenic mortality, we 
begin our evaluation of whether the potential incremental addition of 
M/SI through NWFSC research activities may affect the species' or 
stock's annual rates of recruitment or survival. We also consider the 
interaction of those

[[Page 36390]]

mortalities with incidental taking of that species or stock by 
harassment pursuant to the specified activity.
    Analysis--Please see Table 7 for information related to this 
analysis. The large majority of stocks that may potentially be taken by 
M/SI (18 of 21) fall below the insignificance threshold, while an 
additional four stocks do not have current PBR values and therefore are 
evaluated using other factors. We first consider stocks expected to be 
affected only by behavioral harassment and those stocks that fall below 
the insignificance threshold. Next, we consider those stocks above the 
insignificance threshold (i.e., the offshore stock of bottlenose 
dolphin, Risso's dolphin, and short-finned pilot whale) and those 
without PBR values (harbor seals along the Oregon and Washington coasts 
and in Washington inland waters).
    As described in greater depth in our notice of proposed rulemaking 
(81 FR 38516; June 13, 2016), we do not believe that NWFSC use of 
active acoustic sources has the likely potential to cause any effect 
exceeding Level B harassment of marine mammals. In addition, for the 
majority of species, the annual take by Level B harassment is very low 
in relation to the population abundance estimate (less than one 
percent). We have produced what we believe to be precautionary 
estimates of potential incidents of Level B harassment. The procedure 
for producing these estimates, described in detail in our notice of 
proposed rulemaking (81 FR 38516; June 13, 2016), represents NMFS's 
best effort towards balancing the need to quantify the potential for 
occurrence of Level B harassment due to production of underwater sound 
with a general lack of information related to the specific way that 
these acoustic signals, which are generally highly directional and 
transient, interact with the physical environment and to a meaningful 
understanding of marine mammal perception of these signals and 
occurrence in the areas where NWFSC operates. The sources considered 
here have moderate to high output frequencies (10 to 180 kHz), 
generally short ping durations, and are typically focused (highly 
directional) to serve their intended purpose of mapping specific 
objects, depths, or environmental features. In addition, some of these 
sources can be operated in different output modes (e.g., energy can be 
distributed among multiple output beams) that may lessen the likelihood 
of perception by and potential impacts on marine mammals in comparison 
with the quantitative estimates that guide our proposed take 
authorization.
    In addition, otariid pinnipeds are less likely than other taxa to 
perceive acoustic signals generated by NWFSC or, given perception, to 
react to these signals than the quantitative estimates indicate. This 
group of pinnipeds has reduced functional hearing at the higher 
frequencies produced by active acoustic sources considered here (e.g., 
primary operating frequencies of 40-180 kHz) and, based purely on their 
auditory capabilities, the potential impacts are likely much less than 
we have calculated as these relevant factors are not taken into 
account.
    As described previously, there is some minimal potential for 
temporary effects to hearing for certain marine mammals, but most 
effects would likely be limited to temporary behavioral disturbance. 
Effects on individuals that are taken by Level B harassment will likely 
be limited to reactions such as increased swimming speeds, increased 
surfacing time, or decreased foraging (if such activity were 
occurring), reactions that are considered to be of low severity (e.g., 
Ellison et al., 2012). Individuals may move away from the source if 
disturbed, but because the source is itself moving and because of the 
directional nature of the sources considered here, there is unlikely to 
be even temporary displacement from areas of significance and any 
disturbance would be of short duration. Although there is no 
information on which to base any distinction between incidents of 
harassment and individuals harassed, the same factors, in conjunction 
with the fact that NWFSC survey effort is widely dispersed in space and 
time, indicate that repeated exposures of the same individuals would be 
very unlikely. For these reasons, we do not consider the level of take 
by acoustic disturbance to represent a significant additional 
population stressor when considered in context with the proposed level 
of take by M/SI for any species.
    Similarly, disturbance of pinnipeds on haulouts by researchers 
approaching on foot or in small vessels (as is expected for harbor 
seals in the lower Columbia River and Puget Sound and for California 
sea lions in Puget Sound) are expected to be infrequent and cause only 
a temporary disturbance on the order of minutes. As noted previously, 
monitoring results from other activities involving the disturbance of 
pinnipeds and relevant studies of pinniped populations that experience 
more regular vessel disturbance indicate that individually significant 
or population level impacts are unlikely to occur. When considering the 
individual animals likely affected by this disturbance, only a small 
fraction (less than fifteen percent) of the estimated population 
abundance of the affected stocks would be expected to experience the 
disturbance.
    As noted above, authorized M/SI above the insignificance threshold 
does not necessarily indicate that the take is unsustainable or that it 
may constitute more than a negligible impact. Rather, we simply use 
this metric as a guide to indicate when further evaluation of the 
available information is warranted. For the offshore stock of 
bottlenose dolphin, Risso's dolphin, and short-finned pilot whale, 
maximum total potential M/SI due to NMFS's fisheries research activity 
(SWFSC and NWFSC combined), while above the insignificance threshold, 
is low relative to residual PBR (approximately 28, 10, and 12 percent, 
respectively).
    The only known source of other anthropogenic mortality for the 
offshore stock of bottlenose dolphin and the Risso's dolphin is in 
commercial fisheries, and such take is considered to be insignificant 
and approaching zero mortality and serious injury. Therefore, there is 
no information to suggest that the incremental additional removals due 
to NWFSC fisheries research cause any concern with regard to annual 
rates of recruitment or survival for these stocks.
    Similarly, commercial fisheries provide the only known cause of 
anthropogenic mortality for the short-finned pilot whale. However, due 
to the relatively low PBR value for this stock, such take cannot be 
considered to be insignificant and approaching zero mortality and 
serious injury. The only takes in commercial fisheries from 2010-14 
were due to interactions with the California drift gillnet fishery, and 
occurred only in 2014. Therefore, it is unclear that these fishery 
takes will constitute an ongoing source of mortality and, regardless, 
any level of removals up to PBR could occur while still allowing the 
stock to reach or maintain its optimum sustainable population, as 
indicated in the definition of the PBR metric. The available 
information, i.e., that there is only one other source of anthropogenic 
mortality, which has resulted in a low level of mortalities in one year 
and may not be an ongoing source of mortality, and that the authorized 
take is low compared to residual PBR (10 percent), indicates that there 
is no concern regarding the impacts of incremental additional removals 
due to NWFSC fisheries research on annual rates of recruitment or 
survival for this stock. Nevertheless, if bycatch in commercial 
fisheries increases, or other sources of

[[Page 36391]]

mortality are recorded for this stock, we will use the adaptive 
management provisions of these regulations to prescribe increased 
mitigation sufficient to reduce the likelihood of incidental take in 
NMFS fisheries research activities. No population trends are known for 
these three stocks.
    PBR is unknown for harbor seals on the Oregon and Washington coasts 
and in Washington inland waters (comprised of the Hood Canal, southern 
Puget Sound, and Washington northern inland waters stocks). The Hood 
Canal, southern Puget Sound, and Washington northern inland waters 
stocks were formerly a single inland waters stock. Both the Oregon/
Washington coast and Washington inland waters stocks of harbor seal 
were considered to be stable following the most recent abundance 
estimates (in 1999, stock abundances were estimated at 24,732 and 
13,692, respectively). However, a Washington Department of Fish and 
Wildlife expert (S. Jeffries) stated an unofficial abundance of 32,000 
harbor seals in Washington (Mapes, 2013). Therefore, it is reasonable 
to assume that at worst, the stocks have not declined since the last 
abundance estimates. Ongoing anthropogenic mortality is estimated at 
10.6 harbor seals per year for the coastal stock and 13.4 for inland 
waters seals; therefore, we reasonably assume that the maximum 
potential annual M/SI incidental to NMFS's fisheries research 
activities (1.8 and 1.2, respectively) is a small fraction of any 
sustainable take level that might be calculated for either stock. For 
the reasons stated above, we do not consider the level of take by 
acoustic and physical disturbance for harbor seals to represent a 
significant additional population stressor when considered in context 
with the proposed level of take by M/SI.
    Based on the analysis contained herein of the likely effects of the 
specified activity on marine mammals and their habitat, and taking into 
consideration the implementation of the planned mitigation measures, we 
find that the total marine mammal take from NWFSC's fisheries research 
activities will have a negligible impact on the affected marine mammal 
species or stocks. In summary, this finding of negligible impact is 
founded on the following factors: (1) The possibility of injury, 
serious injury, or mortality from the use of active acoustic devices 
may reasonably be considered discountable; (2) the anticipated 
incidents of Level B harassment from the use of active acoustic devices 
and physical disturbance of pinnipeds consist of, at worst, temporary 
and relatively minor modifications in behavior; (3) the predicted 
number of incidents of potential mortality are at insignificant levels 
(i.e., below ten percent of residual PBR) for a majority of affected 
stocks; (4) consideration of additional factors for the Risso's 
dolphin, offshore stock of bottlenose dolphin, and short-finned pilot 
whale do not reveal cause for concern; (5) available information 
regarding two harbor seal stocks indicates that total maximum potential 
M/SI is sustainable; and (6) the presumed efficacy of the planned 
mitigation measures in reducing the effects of the specified activity 
to the level of least practicable adverse impact. In addition, no M/SI 
is authorized for any species or stock that is listed under the ESA or 
considered depleted under the MMPA. In combination, we believe that 
these factors demonstrate that the specified activity will have only 
short-term effects on individuals (resulting from Level B harassment) 
and that the total level of taking will not impact rates of recruitment 
or survival sufficiently to result in population-level impacts.

Small Numbers Analysis

    Please see Table 7 for information relating to this small numbers 
analysis. The total amount of taking authorized is less than one 
percent for a large majority of stocks. The total amount of taking for 
remaining stocks ranges from four to thirteen percent.
    Based on the analysis contained herein of the likely effects of the 
specified activity on marine mammals and their habitat, and taking into 
consideration the implementation of the proposed mitigation measures, 
we find that small numbers of marine mammals will be taken relative to 
the populations of the affected species or stocks.

Monitoring and Reporting

    In order to issue an incidental take authorization for an activity, 
section 101(a)(5)(A) of the MMPA states that NMFS must set forth 
requirements pertaining to the monitoring and reporting of such taking. 
The MMPA implementing regulations at 50 CFR 216.104(a)(13) indicate 
that requests for incidental take authorizations must include the 
suggested means of accomplishing the necessary monitoring and reporting 
that will result in increased knowledge of the species and of the level 
of taking or impacts on populations of marine mammals that are expected 
to be present in the proposed action area.
    Any monitoring requirement we prescribe should improve our 
understanding of one or more of the following:
     Occurrence of marine mammal species in action area (e.g., 
presence, abundance, distribution, density);
     Nature, scope, or context of likely marine mammal exposure 
to potential stressors/impacts (individual or cumulative, acute or 
chronic), through better understanding of: (1) Action or environment 
(e.g., source characterization, propagation, ambient noise); (2) 
affected species (e.g., life history, dive patterns); (3) co-occurrence 
of marine mammal species with the action; or (4) biological or 
behavioral context of exposure (e.g., age, calving, or feeding areas);
     Individual responses to acute stressors, or impacts of 
chronic exposures (behavioral or physiological);
     How anticipated responses to stressors impact either: (1) 
Long-term fitness and survival of an individual; or (2) population, 
species, or stock;
     Effects on marine mammal habitat and resultant impacts to 
marine mammals; and
     Mitigation and monitoring effectiveness.
    NWFSC plans to make more systematic its training, operations, data 
collection, animal handling and sampling protocols, etc., in order to 
improve its ability to understand how mitigation measures influence 
interaction rates and ensure its research operations are conducted in 
an informed manner and consistent with lessons learned from those with 
experience operating these gears in close proximity to marine mammals. 
It is in this spirit that the monitoring requirements described below 
were crafted.

Visual Monitoring

    Marine mammal watches are a standard part of conducting fisheries 
research activities, and are implemented as described previously in 
``Mitigation.'' Dedicated marine mammal visual monitoring occurs as 
described (1) for some period prior to deployment of most research 
gear; (2) throughout deployment and active fishing of all research 
gears; (3) for some period prior to retrieval of longline gear; and (4) 
throughout retrieval of all research gear. This visual monitoring is 
performed by trained NWFSC personnel with no other responsibilities 
during the monitoring period. Observers record the species and 
estimated number of animals present and their behaviors, which may be 
valuable information towards an understanding of whether certain 
species may be attracted to vessels or certain survey gears. 
Separately, marine mammal watches are conducted by watch-standers 
(those navigating the

[[Page 36392]]

vessel and other crew; these will typically not be NWFSC personnel) at 
all times when the vessel is being operated. The primary focus for this 
type of watch is to avoid striking marine mammals and to generally 
avoid navigational hazards. These watch-standers typically have other 
duties associated with navigation and other vessel operations and are 
not required to record or report to the scientific party data on marine 
mammal sightings, except when gear is being deployed or retrieved.
    In the PSRA and LCRRA only, the NWFSC will monitor any potential 
disturbance of hauled-out pinnipeds, paying particular attention to the 
distance at which different species of pinniped are disturbed. 
Disturbance will be recorded according to the three-point scale, 
representing increasing seal response to disturbance, shown in Table 5.

Training

    NWFSC anticipates that additional information on practices to avoid 
marine mammal interactions can be gleaned from training sessions and 
more systematic data collection standards. The NWFSC will conduct 
annual trainings for all CSs and other personnel who may be responsible 
for conducting dedicated marine mammal visual observations to explain 
mitigation measures and monitoring and reporting requirements, 
mitigation and monitoring protocols, marine mammal identification, 
recording of count and disturbance observations, completion of 
datasheets, and use of equipment. Some of these topics may be familiar 
to NWFSC staff, who may be professional biologists. The NWFSC shall 
determine the agenda for these trainings and ensure that all relevant 
staff have necessary familiarity with these topics. The first such 
training will include three primary elements:
    First, the course will provide an overview of the purpose and need 
for the authorization, including mandatory mitigation measures by gear 
and the purpose for each, and species that NWFSC is authorized to 
incidentally take.
    Second, the training will provide detailed descriptions of 
reporting, data collection, and sampling protocols. This portion of the 
training will include instruction on how to complete new data 
collection forms such as the marine mammal watch log, the incidental 
take form (e.g., specific gear configuration and details relevant to an 
interaction with protected species), and forms used for species 
identification and biological sampling. The biological data collection 
and sampling training module will include the same sampling and 
necropsy training that is used for the West Coast Regional Observer 
training.
    Third, NWFSC will also dedicate a portion of training to discussion 
of best professional judgment (which is recognized as an integral 
component of mitigation implementation; see ``Mitigation''), including 
use in any incidents of marine mammal interaction and instructive 
examples where use of best professional judgment was determined to be 
successful or unsuccessful. We recognize that many factors come into 
play regarding decision-making at sea and that it is not practicable to 
simplify what are inherently variable and complex situational decisions 
into rules that may be defined on paper. However, it is our intent that 
use of best professional judgment be an iterative process from year to 
year, in which any at-sea decision-maker (i.e., responsible for 
decisions regarding the avoidance of marine mammal interactions with 
survey gear through the application of best professional judgment) 
learns from the prior experience of all relevant NWFSC personnel 
(rather than from solely their own experience). The outcome should be 
increased transparency in decision-making processes where best 
professional judgment is appropriate and, to the extent possible, some 
degree of standardization across common situations, with an ultimate 
goal of reducing marine mammal interactions. It is the responsibility 
of the NWFSC to facilitate such exchange.

Handling Procedures and Data Collection

    Improved standardization of handling procedures were discussed 
previously in ``Mitigation.'' In addition to the benefits implementing 
these protocols are believed to have on the animals through increased 
post-release survival, NWFSC believes adopting these protocols for data 
collection will also increase the information on which ``serious 
injury'' (SI) determinations (NMFS, 2012a, b) are based and improve 
scientific knowledge about marine mammals that interact with fisheries 
research gears and the factors that contribute to these interactions. 
NWFSC personnel will be provided standard guidance and training 
regarding handling of marine mammals, including how to identify 
different species, bring an individual aboard a vessel, assess the 
level of consciousness, remove fishing gear, return an individual to 
water and log activities pertaining to the interaction.
    NWFSC will record interaction information on either existing data 
forms created by other NMFS programs or will develop their own 
standardized forms. To aid in SI determinations and comply with the 
current NMFS Serious Injury Guidelines (NMFS, 2012a, b), researchers 
will also answer a series of supplemental questions on the details of 
marine mammal interactions.
    Finally, for any marine mammals that are killed during fisheries 
research activities, scientists will collect data and samples pursuant 
to Appendix D of the NWFSC DEA, ``Protected Species Handling Procedures 
for NWFSC Fisheries Research Vessels.''

Reporting

    As is normally the case, NWFSC will coordinate with the relevant 
stranding coordinators for any unusual marine mammal behavior and any 
stranding, beached live/dead, or floating marine mammals that are 
encountered during field research activities. The NWFSC will follow a 
phased approach with regard to the cessation of its activities and/or 
reporting of such events, as described in the proposed regulatory texts 
following this preamble. In addition, CSs or the cruise leader will 
provide reports to NWFSC leadership and to the Office of Protected 
Resources (OPR). As a result, when marine mammals interact with survey 
gear, whether killed or released alive, a report provided by the CS 
will fully describe any observations of the animals, the context 
(vessel and conditions), decisions made and rationale for decisions 
made in vessel and gear handling. The circumstances of these events are 
critical in enabling NWFSC and OPR to better evaluate the conditions 
under which takes are most likely occur. We believe in the long term 
this will allow the avoidance of these types of events in the future.
    The NWFSC will submit annual summary reports to OPR including: (1) 
Annual line-kilometers surveyed during which the EK60, ME70, SX90 (or 
equivalent sources) were predominant (see ``Estimated Take by Acoustic 
Harassment'' for further discussion), specific to each region; (2) 
summary information regarding use of all hook and line, seine, and 
trawl gear, including number of sets, hook hours, tows, etc., specific 
to each research area and gear; (3) accounts of all incidents of marine 
mammal interactions, including circumstances of the event and 
descriptions of any mitigation procedures implemented or not 
implemented and why; (4) summary information related to any disturbance 
of pinnipeds, including event-specific

[[Page 36393]]

total counts of animals present, counts of reactions according to the 
three-point scale shown in Table 5, and distance of closest approach; 
and (5) a written evaluation of the effectiveness of NWFSC mitigation 
strategies in reducing the number of marine mammal interactions with 
survey gear, including best professional judgment and suggestions for 
changes to the mitigation strategies, if any. The period of reporting 
will be annually, beginning one year post-issuance of any LOA, and the 
report must be submitted not less than ninety days following the end of 
a given year. Submission of this information is in service of an 
adaptive management framework allowing NMFS to make appropriate 
modifications to mitigation and/or monitoring strategies, as necessary, 
during the five-year period of validity for these regulations.
    NMFS has established a formal incidental take reporting system, the 
Protected Species Incidental Take (PSIT) database, requiring that 
incidental takes of protected species be reported within 48 hours of 
the occurrence. The PSIT generates automated messages to NMFS 
leadership and other relevant staff, alerting them to the event and to 
the fact that updated information describing the circumstances of the 
event has been inputted to the database. The PSIT and CS reports 
represent not only valuable real-time reporting and information 
dissemination tools but also serve as an archive of information that 
may be mined in the future to study why takes occur by species, gear, 
region, etc.
    NWFSC will also collect and report all necessary data, to the 
extent practicable given the primacy of human safety and the well-being 
of captured or entangled marine mammals, to facilitate SI 
determinations for marine mammals that are released alive. NWFSC will 
require that the CS complete data forms and address supplemental 
questions, both of which have been developed to aid in SI 
determinations. NWFSC understands the critical need to provide as much 
relevant information as possible about marine mammal interactions to 
inform decisions regarding SI determinations. In addition, the NWFSC 
will perform all necessary reporting to ensure that any incidental M/SI 
is incorporated as appropriate into relevant SARs.

Adaptive Management

    The regulations governing the take of marine mammals incidental to 
NWFSC fisheries research survey operations contain an adaptive 
management component. The inclusion of an adaptive management component 
will be both valuable and necessary within the context of five-year 
regulations for activities that have been associated with marine mammal 
mortality.
    The reporting requirements associated with this final rule are 
designed to provide OPR with monitoring data from the previous year to 
allow consideration of whether any changes are appropriate. OPR and the 
NWFSC will meet annually to discuss the monitoring reports and current 
science and whether mitigation or monitoring modifications are 
appropriate. The use of adaptive management allows OPR to consider new 
information from different sources to determine (with input from the 
NWFSC regarding practicability) on an annual or biennial basis if 
mitigation or monitoring measures should be modified (including 
additions or deletions). Mitigation measures could be modified if new 
data suggests that such modifications would have a reasonable 
likelihood of reducing adverse effects to marine mammals and if the 
measures are practicable.
    The following are some of the possible sources of applicable data 
to be considered through the adaptive management process: (1) Results 
from monitoring reports, as required by MMPA authorizations; (2) 
results from general marine mammal and sound research; and (3) any 
information which reveals that marine mammals may have been taken in a 
manner, extent, or number not authorized by these regulations or 
subsequent LOAs.

Impact on Availability of Affected Species for Taking for Subsistence 
Uses

    There are no relevant subsistence uses of marine mammals implicated 
by these actions. Therefore, we have determined that the total taking 
of affected species or stocks would not have an unmitigable adverse 
impact on the availability of such species or stocks for taking for 
subsistence purposes.

Endangered Species Act (ESA)

    There are multiple marine mammal species listed under the ESA with 
confirmed or possible occurrence in the proposed specified geographical 
region. The authorization of incidental take pursuant to the NWFSC's 
specified activity would not affect any designated critical habitat. 
OPR requested initiation of consultation with NMFS's West Coast 
Regional Office (WCRO) under section 7 of the ESA on the promulgation 
of five-year regulations and the subsequent issuance of LOAs to NWFSC 
under section 101(a)(5)(A) of the MMPA.
    On November 10, 2016, the WCRO issued a biological opinion to OPR 
and to the NWFSC (concerning the conduct of the specified activities) 
which concluded that the issuance of the authorizations is not likely 
to jeopardize the continued existence of any listed species and is not 
likely to adversely affect any listed marine mammal species. The 
opinion also concluded that the issuance of the authorizations would 
not affect any designated critical habitat.

National Environmental Policy Act (NEPA)

    In compliance with the National Environmental Policy Act of 1969 
(42 U.S.C. 4321 et seq.), as implemented by the regulations published 
by the Council on Environmental Quality (40 CFR parts 1500-1508), NWFSC 
prepared a Programmatic EA to consider the direct, indirect and 
cumulative effects to the human environment resulting from the 
described research activities. OPR made NWFSC's EA available to the 
public for review and comment, in relation to its suitability for 
adoption by OPR in order to assess the impacts to the human environment 
of issuance of regulations and subsequent LOA to NWFSC. Also in 
compliance with NEPA and the CEQ regulations, as well as NOAA 
Administrative Order 216-6, OPR relies on NWFSC's EA, which also 
addresses OPR's action of issuing incidental take authorizations to 
NWFSC, and signed a Finding of No Significant Impact (FONSI) on March 
27, 2018. NWFSC's EA and OPR's FONSI for this action may be found 
online at www.nmfs.noaa.gov/pr/permits/incidental/research.htm.

Classification

    Pursuant to the procedures established to implement Executive Order 
12866, the Office of Management and Budget has determined that this 
rule is not significant.
    Pursuant to section 605(b) of the Regulatory Flexibility Act (RFA), 
the Chief Counsel for Regulation of the Department of Commerce 
certified to the Chief Counsel for Advocacy of the Small Business 
Administration at the proposed rule stage that this rule will not have 
a significant economic impact on a substantial number of small 
entities. The factual basis for the certification was published in the 
proposed rule and is not repeated here. No comments were received 
regarding this certification. As a result, a regulatory flexibility 
analysis is not required and none has been prepared.
    Notwithstanding any other provision of law, no person is required 
to respond to, nor shall a person be subject to a penalty for failure 
to comply with a collection of information (COI) subject

[[Page 36394]]

to the requirements of the Paperwork Reduction Act (PRA) unless that 
COI displays a currently valid OMB control number. This rule does not 
contain a COI requirement subject to the provisions of the PRA because 
the applicant is a Federal agency.

List of Subjects in 50 CFR Part 219

    Exports, Fish, Imports, Indians, Labeling, Marine mammals, 
Penalties, Reporting and recordkeeping requirements, Seafood, 
Transportation.


    Dated: July 24, 2018.
Samuel D. Rauch III,
Deputy Assistant Administrator for Regulatory Programs, National Marine 
Fisheries Service.

    For reasons set forth in the preamble, NMFS amends 50 CFR part 219 
as follows:

PART 219--REGULATIONS GOVERNING THE TAKING AND IMPORTING OF MARINE 
MAMMALS

0
1. The authority citation for part 219 continues to read as follows:

    Authority: 16 U.S.C. 1361 et seq.


0
2. Add subpart E to part 219 to read as follows:

Subpart E--Taking Marine Mammals Incidental to Northwest Fisheries 
Science Center Fisheries Research in the Pacific Ocean
Sec.
219.41 Specified activity and specified geographical region.
219.42 Effective dates.
219.43 Permissible methods of taking.
219.44 Prohibitions.
219.45 Mitigation requirements.
219.46 Requirements for monitoring and reporting.
219.47 Letters of Authorization.
219.48 Renewals and modifications of Letters of Authorization.
219.49 [Reserved]
219.50 [Reserved]

Subpart E--Taking Marine Mammals Incidental to Northwest Fisheries 
Science Center Fisheries Research in the Pacific Ocean


Sec.  219.41  Specified activity and specified geographical region.

    (a) Regulations in this subpart apply only to the National Marine 
Fisheries Service's (NMFS) Northwest Fisheries Science Center (NWFSC) 
and those persons it authorizes or funds to conduct activities on its 
behalf for the taking of marine mammals that occurs in the area 
outlined in paragraph (b) of this section and that occurs incidental to 
research survey program operations.
    (b) The taking of marine mammals by NWFSC may be authorized in a 
Letter of Authorization (LOA) only if it occurs within the California 
Current Ecosystem, including Puget Sound and the Columbia River.


Sec.  219.42  Effective dates.

    Regulations in this subpart are effective from August 27, 2018, 
through August 28, 2023.


Sec.  219.43  Permissible methods of taking.

    (a) Under LOAs issued pursuant to Sec.  216.106 of this chapter and 
Sec.  219.47, the Holder of the LOA (hereinafter ``NWFSC'') may 
incidentally, but not intentionally, take marine mammals within the 
area described in Sec.  219.41(b) by Level B harassment associated with 
use of active acoustic systems and physical or visual disturbance of 
hauled-out pinnipeds and by Level A harassment, serious injury, or 
mortality associated with use of hook and line gear, trawl gear, and 
seine gear, provided the activity is in compliance with all terms, 
conditions, and requirements of the regulations in this subpart and the 
applicable LOA.


Sec.  219.44  Prohibitions.

    Notwithstanding takings contemplated in Sec.  219.41 and authorized 
by a LOA issued under Sec.  216.106 of this chapter and Sec.  219.47, 
no person in connection with the activities described in Sec.  219.41 
may:
    (a) Violate, or fail to comply with, the terms, conditions, and 
requirements of this subpart or a LOA issued under Sec.  216.106 of 
this chapter and Sec.  219.47;
    (b) Take any marine mammal not specified in such LOA;
    (c) Take any marine mammal specified in such LOAs in any manner 
other than as specified;
    (d) Take a marine mammal specified in such LOA if NMFS determines 
such taking results in more than a negligible impact on the species or 
stocks of such marine mammal; or
    (e) Take a marine mammal specified in such LOA if NMFS determines 
such taking results in an unmitigable adverse impact on the 
availability of such species or stock of marine mammal for taking for 
subsistence uses.


Sec.  219.45  Mitigation requirements.

    When conducting the activities identified in Sec.  219.41(a), the 
mitigation measures contained in any LOA issued under Sec.  216.106 of 
this chapter and Sec.  219.47 must be implemented. These mitigation 
measures shall include but are not limited to:
    (a) General conditions:
    (1) NWFSC shall take all necessary measures to coordinate and 
communicate in advance of each specific survey with the National 
Oceanic and Atmospheric Administration's (NOAA) Office of Marine and 
Aviation Operations (OMAO) or other relevant parties on non-NOAA 
platforms to ensure that all mitigation measures and monitoring 
requirements described herein, as well as the specific manner of 
implementation and relevant event-contingent decision-making processes, 
are clearly understood and agreed upon;
    (2) NWFSC shall coordinate and conduct briefings at the outset of 
each survey and as necessary between ship's crew (Commanding Officer/
master or designee(s), as appropriate) and scientific party in order to 
explain responsibilities, communication procedures, marine mammal 
monitoring protocol, and operational procedures;
    (3) NWFSC shall coordinate as necessary on a daily basis during 
survey cruises with OMAO personnel or other relevant personnel on non-
NOAA platforms to ensure that requirements, procedures, and decision-
making processes are understood and properly implemented;
    (4) When deploying any type of sampling gear at sea, NWFSC shall at 
all times monitor for any unusual circumstances that may arise at a 
sampling site and use best professional judgment to avoid any potential 
risks to marine mammals during use of all research equipment; and
    (5) NWFSC shall implement handling and/or disentanglement protocols 
as specified in the guidance that shall be provided to NWFSC survey 
personnel.
    (b) For all research surveys using trawl, hook and line, or seine 
gear in Puget Sound, the move-on rule mitigation protocol described in 
paragraph (c)(3) of this section shall be implemented upon observation 
of killer whales at any distance.
    (c) Trawl survey protocols:
    (1) NWFSC shall conduct trawl operations as soon as is practicable 
upon arrival at the sampling station;
    (2) NWFSC shall initiate marine mammal watches (visual observation) 
a minimum of ten minutes prior to beginning of net deployment but shall 
also conduct monitoring during pre-set activities including trackline 
reconnaissance, CTD casts, and plankton or bongo net hauls. Marine 
mammal watches shall be conducted by scanning the surrounding waters 
with the naked eye and rangefinding binoculars (or monocular). During 
nighttime operations, visual observation shall be conducted using the 
naked eye and available vessel lighting;
    (3) NWFSC shall implement the move-on rule mitigation protocol, as

[[Page 36395]]

described in this paragraph. If one or more marine mammals are observed 
within 500 meters (m) of the planned location in the 10 minutes before 
setting the trawl gear, and are considered at risk of interacting with 
the vessel or research gear, or appear to be approaching the vessel and 
are considered at risk of interaction, NWFSC shall either remain onsite 
or move on to another sampling location. If remaining onsite, the set 
shall be delayed. If the animals depart or appear to no longer be at 
risk of interacting with the vessel or gear, a further 10 minute 
observation period shall be conducted. If no further observations are 
made or the animals still do not appear to be at risk of interaction, 
then the set may be made. If the vessel is moved to a different section 
of the sampling area, the move-on rule mitigation protocol would begin 
anew. If, after moving on, marine mammals remain at risk of 
interaction, the NWFSC shall move again or skip the station. Marine 
mammals that are sighted further than 500 m from the vessel shall be 
monitored to determine their position and movement in relation to the 
vessel to determine whether the move-on rule mitigation protocol should 
be implemented. NWFSC may use best professional judgment in making 
these decisions;
    (4) NWFSC shall maintain visual monitoring effort during the entire 
period of time that trawl gear is in the water (i.e., throughout gear 
deployment, fishing, and retrieval). If marine mammals are sighted 
before the gear is fully removed from the water, NWFSC shall take the 
most appropriate action to avoid marine mammal interaction. NWFSC may 
use best professional judgment in making this decision;
    (5) If trawling operations have been suspended because of the 
presence of marine mammals, NWFSC may resume trawl operations when 
practicable only when the animals are believed to have departed the 
area. NWFSC may use best professional judgment in making this 
determination;
    (6) When conducting surface trawls using the Nordic 264 net, 
dedicated crew with no other tasks shall conduct required marine mammal 
monitoring. Marine mammal monitoring shall be staffed in a stepwise 
process, with a minimum of two observers beginning pre-set monitoring 
and increasing to a minimum of four observers prior to and during gear 
deployment. During the tow, a minimum of three observers shall conduct 
required monitoring;
    (7) NWFSC shall implement standard survey protocols to minimize 
potential for marine mammal interactions, including maximum tow 
durations at target depth and maximum tow distance, and shall carefully 
empty the trawl as quickly as possible upon retrieval. Trawl nets must 
be cleaned prior to deployment;
    (8) NWFSC must install and use a marine mammal excluder device at 
all times when the Nordic 264 trawl net is used;
    (9) NWFSC must install and use acoustic deterrent devices whenever 
the Nordic 264 trawl net is used, with two pairs of the devices 
installed near the net opening. NWFSC must ensure that the devices are 
operating properly before deploying the net;
    (10) For use of the Kodiak surface trawl in Puget Sound, trawl 
survey protocols described in this section apply only to cetaceans; and
    (11) Trawl survey protocols described in this section do not apply 
to use of pair trawl gear in the Columbia River.
    (d) Hook and line (including longline) survey protocols:
    (1) NWFSC shall deploy hook and line gear as soon as is practicable 
upon arrival at the sampling station;
    (2) NWFSC shall initiate marine mammal watches (visual observation) 
no less than 30 minutes prior to both deployment and retrieval of 
longline gear. Marine mammal watches shall be conducted by scanning the 
surrounding waters with the naked eye and range-finding binoculars (or 
monocular). During nighttime operations, visual observation shall be 
conducted using the naked eye and available vessel lighting;
    (3) NWFSC shall implement the move-on rule mitigation protocol, as 
described in this paragraph. If one or more marine mammals are observed 
within 500 m of the planned location in the ten minutes before gear 
deployment, and are considered at risk of interacting with the vessel 
or research gear, or appear to be approaching the vessel and are 
considered at risk of interaction, NWFSC shall either remain onsite or 
move on to another sampling location. If remaining onsite, the set 
shall be delayed. If the animals depart or appear to no longer be at 
risk of interacting with the vessel or gear, a further 10 minute 
observation period shall be conducted. If no further observations are 
made or the animals still do not appear to be at risk of interaction, 
then the set may be made. If the vessel is moved to a different section 
of the sampling area, the move-on rule mitigation protocol would begin 
anew. If, after moving on, marine mammals remain at risk of 
interaction, the NWFSC shall move again or skip the station. Marine 
mammals that are sighted further than 500 m from the vessel shall be 
monitored to determine their position and movement in relation to the 
vessel to determine whether the move-on rule mitigation protocol should 
be implemented. NWFSC may use best professional judgment in making 
these decisions;
    (4) NWFSC shall maintain visual monitoring effort during the entire 
period of gear deployment and retrieval. If marine mammals are sighted 
before the gear is fully deployed or retrieved, NWFSC shall take the 
most appropriate action to avoid marine mammal interaction. NWFSC may 
use best professional judgment in making this decision;
    (5) If deployment or retrieval operations have been suspended 
because of the presence of marine mammals, NWFSC may resume such 
operations when practicable only when the animals are believed to have 
departed the area. NWFSC may use best professional judgment in making 
this decision;
    (6) NWFSC shall implement standard survey protocols, including 
maximum soak durations and a prohibition on chumming; and
    (7) For hook and line surveys in Puget Sound, but not including 
longline surveys, hook and line survey protocols described in this 
section apply only to cetaceans.
    (e) Seine survey protocols:
    (1) NWFSC shall conduct seine operations as soon as is practicable 
upon arrival at the sampling station;
    (2) NWFSC shall conduct marine mammal watches (visual observation) 
prior to beginning of net deployment. Marine mammal watches shall be 
conducted by scanning the surrounding waters with the naked eye and 
rangefinding binoculars (or monocular);
    (3) NWFSC shall implement the move-on rule mitigation protocol, as 
described in this paragraph for use of purse seine gear. If one or more 
small cetaceans (i.e., dolphin or porpoise) or five or more pinnipeds 
are observed within 500 m of the planned location before setting the 
seine gear, and are considered at risk of interacting with the vessel 
or research gear, or appear to be approaching the vessel and are 
considered at risk of interaction, NWFSC shall either remain onsite or 
move on to another sampling location. If remaining onsite, the set 
shall be delayed. If the animals depart or appear to no longer be at 
risk of interacting with the vessel or gear, a further ten minute 
observation period shall be conducted. If no further observations are 
made or the animals still do not appear to be at risk of interaction, 
then the set may be made. If the vessel is moved to

[[Page 36396]]

a different area, the move-on rule mitigation protocol would begin 
anew. If, after moving on, marine mammals remain at risk of 
interaction, the NWFSC shall move again or skip the station. Marine 
mammals that are sighted further than 500 m from the vessel shall be 
monitored to determine their position and movement in relation to the 
vessel to determine whether the move-on rule mitigation protocol should 
be implemented. NWFSC may use best professional judgment in making 
these decisions;
    (4) NWFSC shall maintain visual monitoring effort during the entire 
period of time that seine gear is in the water (i.e., throughout gear 
deployment, fishing, and retrieval). If marine mammals are sighted 
before the gear is fully removed from the water, NWFSC shall take the 
most appropriate action to avoid marine mammal interaction. NWFSC may 
use best professional judgment in making this decision;
    (5) If seine operations have been suspended because of the presence 
of marine mammals, NWFSC may resume seine operations when practicable 
only when the animals are believed to have departed the area. NWFSC may 
use best professional judgment in making this determination;
    (6) If any cetaceans are observed in a purse seine net, NWFSC shall 
immediately open the net and free the animals; and
    (7) NWFSC shall not make beach seine sets within 200 m of any 
hauled-out pinniped, and shall immediately remove the gear from the 
water upon observation of any marine mammal attempting to interact with 
the gear.


Sec.  219.46  Requirements for monitoring and reporting.

    (a) NWFSC shall designate a compliance coordinator who shall be 
responsible for ensuring compliance with all requirements of any LOA 
issued pursuant to Sec.  216.106 of this chapter and Sec.  219.47 and 
for preparing for any subsequent request(s) for incidental take 
authorization.
    (b) Visual monitoring program:
    (1) Marine mammal visual monitoring shall occur prior to deployment 
of trawl, seine, and hook and line gear, respectively; throughout 
deployment of gear and active fishing of research gears (not including 
longline soak time); prior to retrieval of longline gear; and 
throughout retrieval of all research gear;
    (2) Marine mammal watches shall be conducted by watch-standers 
(those navigating the vessel and/or other crew) at all times when the 
vessel is being operated; and
    (3) NWFSC shall conduct census counts of established pinniped 
haulouts in the Columbia River and Puget Sound that are disturbed by 
NWFSC research activity, and shall record disturbance of hauled-out 
pinnipeds due to NWFSC research activity, paying particular attention 
to the distance at which different species of pinniped are disturbed. 
Disturbance shall be recorded according to a three-point scale of 
response severity.
    (c) Training:
    (1) NWFSC must conduct annual training for all chief scientists and 
other personnel who may be responsible for conducting dedicated marine 
mammal visual observations to explain mitigation measures and 
monitoring and reporting requirements, mitigation and monitoring 
protocols, marine mammal identification, completion of datasheets, and 
use of equipment. NWFSC may determine the agenda for these trainings;
    (2) NWFSC shall also dedicate a portion of training to discussion 
of best professional judgment, including use in any incidents of marine 
mammal interaction and instructive examples where use of best 
professional judgment was determined to be successful or unsuccessful; 
and
    (3) NWFSC shall coordinate with NMFS's Southwest Fisheries Science 
Center (SWFSC) regarding surveys conducted in the California Current 
Ecosystem, such that training and guidance related to handling 
procedures and data collection is consistent.
    (d) Handling procedures and data collection:
    (1) NWFSC must develop and implement standardized marine mammal 
handling, disentanglement, and data collection procedures. These 
standard procedures will be subject to approval by NMFS's Office of 
Protected Resources (OPR);
    (2) When practicable, for any marine mammal interaction involving 
the release of a live animal, NWFSC shall collect necessary data to 
facilitate a serious injury determination;
    (3) NWFSC shall provide its relevant personnel with standard 
guidance and training regarding handling of marine mammals, including 
how to identify different species, bring an individual aboard a vessel, 
assess the level of consciousness, remove fishing gear, return an 
individual to water, and log activities pertaining to the interaction; 
and
    (4) NWFSC shall record such data on standardized forms, which will 
be subject to approval by OPR. NWFSC shall also answer a standard 
series of supplemental questions regarding the details of any marine 
mammal interaction.
    (e) Reporting:
    (1) NWFSC shall report all incidents of marine mammal interaction 
to NMFS's Protected Species Incidental Take database within 48 hours of 
occurrence and shall provide supplemental information to OPR upon 
request. Information related to marine mammal interaction (animal 
captured or entangled in research gear) must include details of survey 
effort, full descriptions of any observations of the animals, the 
context (vessel and conditions), decisions made, and rationale for 
decisions made in vessel and gear handling;
    (2) Annual reporting:
    (i) NWFSC shall submit an annual summary report to OPR not later 
than 90 days following the end of a given year. NWFSC shall provide a 
final report within thirty days following resolution of comments on the 
draft report:
    (ii) These reports shall contain, at minimum, the following:
    (A) Annual line-kilometers surveyed during which the EK60, ME70, 
SX90 (or equivalent sources) were predominant and associated pro-rated 
estimates of actual take;
    (B) Summary information regarding use of all hook and line, seine, 
and trawl gear, including number of sets, hook hours, tows, etc., 
specific to each gear;
    (C) Accounts of all incidents of marine mammal interactions, 
including circumstances of the event and descriptions of any mitigation 
procedures implemented or not implemented and why;
    (D) Summary information related to disturbance of hauled-out 
pinnipeds, including event-specific total counts of animals present, 
counts of reactions according to the three-point scale, and distance of 
closest approach;
    (E) A written evaluation of the effectiveness of NWFSC mitigation 
strategies in reducing the number of marine mammal interactions with 
survey gear, including best professional judgment and suggestions for 
changes to the mitigation strategies, if any;
    (F) Final outcome of serious injury determinations for all 
incidents of marine mammal interactions where the animal(s) were 
released alive; and
    (G) A summary of all relevant training provided by NWFSC and any 
coordination with SWFSC or NMFS's West Coast Regional Office.
    (f) Reporting of injured or dead marine mammals:
    (1) In the unanticipated event that the activity defined in Sec.  
219.41(a) clearly causes the take of a marine mammal in a prohibited 
manner, NWFSC personnel

[[Page 36397]]

engaged in the research activity shall immediately cease such activity 
until such time as an appropriate decision regarding activity 
continuation can be made by the NWFSC Director (or designee). The 
incident must be reported immediately to OPR and the West Coast 
Regional Stranding Coordinator, NMFS. OPR will review the circumstances 
of the prohibited take and work with NWFSC to determine what measures 
are necessary to minimize the likelihood of further prohibited take and 
ensure MMPA compliance. The immediate decision made by NWFSC regarding 
continuation of the specified activity is subject to OPR concurrence. 
The report must include the following information:
    (i) Time, date, and location (latitude/longitude) of the incident;
    (ii) Description of the incident;
    (iii) Environmental conditions (e.g., wind speed and direction, 
Beaufort sea state, cloud cover, visibility);
    (iv) Description of all marine mammal observations in the 24 hours 
preceding the incident;
    (v) Species identification or description of the animal(s) 
involved;
    (vi) Status of all sound source use in the 24 hours preceding the 
incident;
    (vii) Water depth;
    (viii) Fate of the animal(s); and
    (ix) Photographs or video footage of the animal(s);
    (2) In the event that NWFSC discovers an injured or dead marine 
mammal and determines that the cause of the injury or death is unknown 
and the death is relatively recent (e.g., in less than a moderate state 
of decomposition), NWFSC shall immediately report the incident to OPR 
and the West Coast Regional Stranding Coordinator, NMFS. The report 
must include the information identified in paragraph (f)(1) of this 
section. Activities may continue while OPR reviews the circumstances of 
the incident. OPR will work with NWFSC to determine whether additional 
mitigation measures or modifications to the activities are appropriate;
    (3) In the event that NWFSC discovers an injured or dead marine 
mammal and determines that the injury or death is not associated with 
or related to the activities defined in Sec.  219.41(a) (e.g., 
previously wounded animal, carcass with moderate to advanced 
decomposition, scavenger damage), NWFSC shall report the incident to 
OPR and the West Coast Regional Stranding Coordinator, NMFS, within 24 
hours of the discovery. NWFSC shall provide photographs or video 
footage or other documentation of the stranded animal sighting to OPR.


Sec.  219.47  Letters of Authorization.

    (a) To incidentally take marine mammals pursuant to these 
regulations, NWFSC must apply for and obtain a Letter of Authorization 
(LOA).
    (b) An LOA, unless suspended or revoked, may be effective for a 
period of time not to exceed the expiration date of these regulations.
    (c) If an LOA expires prior to the expiration date of these 
regulations, NWFSC may apply for and obtain a renewal of the LOA.
    (d) In the event of projected changes to the activity or to 
mitigation and monitoring measures required by an LOA, NWFSC must apply 
for and obtain a modification of the LOA as described in Sec.  219.48 
of this chapter.
    (e) The LOA shall set forth:
    (1) Permissible methods of incidental taking;
    (2) Means of effecting the least practicable adverse impact (i.e., 
mitigation) on the species, its habitat, and on the availability of the 
species for subsistence uses; and
    (3) Requirements for monitoring and reporting.
    (f) Issuance of the LOA shall be based on a determination that the 
level of taking will be consistent with the findings made for the total 
taking allowable under these regulations.
    (g) Notice of issuance or denial of an LOA shall be published in 
the Federal Register within thirty days of a determination.


Sec.  219.48  Renewals and modifications of Letters of Authorization.

    (a) An LOA issued under Sec.  216.106 of this chapter and Sec.  
219.47 for the activity identified in Sec.  219.41(a) shall be renewed 
or modified upon request by the applicant, provided that:
    (1) The proposed specified activity and mitigation, monitoring, and 
reporting measures, as well as the anticipated impacts, are the same as 
those described and analyzed for these regulations (excluding changes 
made pursuant to the adaptive management provision in paragraph (c)(1) 
of this section), and
    (2) OPR determines that the mitigation, monitoring, and reporting 
measures required by the previous LOA under these regulations were 
implemented.
    (b) For an LOA modification or renewal requests by the applicant 
that include changes to the activity or the mitigation, monitoring, or 
reporting measures (excluding changes made pursuant to the adaptive 
management provision in paragraph (c)(1) of this section) that do not 
change the findings made for the regulations or result in no more than 
a minor change in the total estimated number of takes (or distribution 
by species or years), OPR may publish a notice of proposed LOA in the 
Federal Register, including the associated analysis of the change, and 
solicit public comment before issuing the LOA.
    (c) An LOA issued under Sec.  216.106 of this chapter and Sec.  
219.47 for the activity identified in Sec.  219.41(a) may be modified 
by OPR under the following circumstances:
    (1) Adaptive Management--OPR may modify (including augment) the 
existing mitigation, monitoring, or reporting measures (after 
consulting with NWFSC regarding the practicability of the 
modifications) if doing so creates a reasonable likelihood of more 
effectively accomplishing the goals of the mitigation and monitoring 
set forth in the preamble for these regulations;
    (i) Possible sources of data that could contribute to the decision 
to modify the mitigation, monitoring, or reporting measures in an LOA:
    (A) Results from NWFSC's monitoring from the previous year(s);
    (B) Results from other marine mammal and/or sound research or 
studies; and
    (C) Any information that reveals marine mammals may have been taken 
in a manner, extent or number not authorized by these regulations or 
subsequent LOAs.
    (ii) If, through adaptive management, the modifications to the 
mitigation, monitoring, or reporting measures are substantial, OPR will 
publish a notice of proposed LOA in the Federal Register and solicit 
public comment.
    (2) Emergencies--If OPR determines that an emergency exists that 
poses a significant risk to the well-being of the species or stocks of 
marine mammals specified in LOAs issued pursuant to Sec.  216.106 of 
this chapter and Sec.  219.47, an LOA may be modified without prior 
notice or opportunity for public comment. Notice would be published in 
the Federal Register within thirty days of the action.


Sec.  219.49  [Reserved]


Sec.  219.50  [Reserved]

[FR Doc. 2018-16115 Filed 7-26-18; 8:45 am]
BILLING CODE 3510-22-P



                                            36370                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            DEPARTMENT OF COMMERCE                                      The NWFSC collects a wide array of                    • Required implementation of the
                                                                                                     information necessary to evaluate the                 mitigation strategy known as the ‘‘move-
                                            National Oceanic and Atmospheric                         status of exploited fishery resources and             on rule mitigation protocol’’ which
                                            Administration                                           the marine environment. NWFSC                         incorporates best professional judgment,
                                                                                                     scientists conduct fishery-independent                when necessary during certain research
                                            50 CFR Part 219                                          research onboard NOAA-owned and                       fishing operations.
                                                                                                     operated vessels or on chartered vessels.
                                            [Docket No. 151027994–6421–02]                                                                                 Background
                                                                                                     A few surveys are conducted onboard
                                            RIN 0648–BF47                                            commercial fishing vessels, but the                      Paragraphs 101(a)(5)(A) and (D) of the
                                                                                                     NWFSC designs and executes the                        MMPA (16 U.S.C. 1371(a)(5)(A) and (D))
                                            Taking and Importing Marine                              studies and funds vessel time.                        direct the Secretary of Commerce to
                                            Mammals; Taking Marine Mammals                              We received an application from the                allow, upon request, the incidental, but
                                            Incidental to Northwest Fisheries                        NWFSC requesting five-year regulations                not intentional, taking of small numbers
                                            Science Center Fisheries Research                        and authorization to take multiple                    of marine mammals by U.S. citizens
                                            AGENCY:  National Marine Fisheries                       species of marine mammals. Take is                    who engage in a specified activity (other
                                            Service (NMFS), National Oceanic and                     anticipated to occur by Level B                       than commercial fishing) within a
                                            Atmospheric Administration (NOAA),                       harassment incidental to the use of                   specified geographical region if certain
                                            Commerce.                                                active acoustic devices, as well as by                findings are made and either regulations
                                                                                                     visual disturbance of pinnipeds, and by               are issued or, if the taking is limited to
                                            ACTION: Final rule.
                                                                                                     Level A harassment, serious injury, or                harassment, a notice of a proposed
                                            SUMMARY:   NMFS’ Office of Protected                     mortality incidental to the use of                    authorization is provided to the public
                                            Resources (OPR), upon request of                         fisheries research gear. The regulations              for review.
                                            NMFS’ Northwest Fisheries Science                        are valid for five years from the date of                An authorization for incidental
                                            Center (NWFSC), hereby issues                            issuance. Please see ‘‘Background’’                   takings shall be granted if NMFS finds
                                            regulations to govern the unintentional                  below for definitions of harassment.                  that the taking will have a negligible
                                            taking of marine mammals incidental to                                                                         impact on the species or stock(s), will
                                                                                                     Legal Authority for the Proposed Action               not have an unmitigable adverse impact
                                            fisheries research conducted in the
                                            Pacific Ocean over the course of five                       Section 101(a)(5)(A) of the MMPA (16               on the availability of the species or
                                            years. These regulations, which allow                    U.S.C. 1371(a)(5)(A)) directs the                     stock(s) for subsistence uses (where
                                            for the issuance of Letters of                           Secretary of Commerce to allow, upon                  relevant), and if the permissible
                                            Authorization (LOA) for the incidental                   request, the incidental, but not                      methods of taking and requirements
                                            take of marine mammals during the                        intentional taking of small numbers of                pertaining to the mitigation, monitoring
                                            described activities and specified                       marine mammals by U.S. citizens who                   and reporting of such takings are set
                                            timeframes, prescribe the permissible                    engage in a specified activity (other than            forth. NMFS has defined ‘‘negligible
                                            methods of taking and other means of                     commercial fishing) within a specified                impact’’ in 50 CFR 216.103 as ‘‘an
                                            effecting the least practicable adverse                  geographical region for up to five years              impact resulting from the specified
                                            impact on marine mammal species or                       if, after notice and public comment, the              activity that cannot be reasonably
                                            stocks and their habitat, as well as                     agency makes certain findings and                     expected to, and is not reasonably likely
                                            requirements pertaining to the                           issues regulations that set forth                     to, adversely affect the species or stock
                                            monitoring and reporting of such taking.                 permissible methods of taking pursuant                through effects on annual rates of
                                                                                                     to that activity, as well as monitoring               recruitment or survival.’’
                                            DATES: Effective from August 27, 2018,
                                                                                                     and reporting requirements. Section                      Except with respect to certain
                                            through August 28, 2023.                                                                                       activities not pertinent here, the MMPA
                                                                                                     101(a)(5)(A) of the MMPA and the
                                            ADDRESSES: A copy of NWFSC’s                                                                                   defines ‘‘harassment’’ as: Any act of
                                                                                                     implementing regulations at 50 CFR part
                                            application and supporting documents,                    216, subpart I provide the legal basis for            pursuit, torment, or annoyance which (i)
                                            as well as a list of the references cited                issuing this final rule containing five-              has the potential to injure a marine
                                            in this document, may be obtained                        year regulations, and a subsequent LOA.               mammal or marine mammal stock in the
                                            online at: www.fisheries.noaa.gov/                       As directed by this legal authority, this             wild (Level A harassment); or (ii) has
                                            action/incidental-take-authorization-                    final rule contains mitigation,                       the potential to disturb a marine
                                            noaa-fisheries-nwfsc-fisheries-and-                      monitoring, and reporting requirements.               mammal or marine mammal stock in the
                                            ecosystem-research. In case of problems                                                                        wild by causing disruption of behavioral
                                            accessing these documents, please call                   Summary of Major Provisions Within                    patterns, including, but not limited to,
                                            the contact listed below (see FOR                        the Final Rule                                        migration, breathing, nursing, breeding,
                                            FURTHER INFORMATION CONTACT).                              The following provides a summary of                 feeding, or sheltering (Level B
                                            FOR FURTHER INFORMATION CONTACT: Ben                     some of the major provisions within the               harassment).
                                            Laws, Office of Protected Resources,                     rulemaking for the NWFSC fisheries
                                            NMFS, (301) 427–8401.                                                                                          Summary of Request
                                                                                                     research activities. We have determined
                                            SUPPLEMENTARY INFORMATION:                               that the NWFSC’s adherence to the                       On August 10, 2015, we received an
                                                                                                     planned mitigation, monitoring, and                   adequate and complete request from
                                            Purpose and Need for Regulatory                                                                                NWFSC for authorization to take marine
                                                                                                     reporting measures listed below will
                                            Action                                                                                                         mammals incidental to fisheries
                                                                                                     achieve the least practicable adverse
                                               These regulations, issued under the                   impact on the affected marine                         research activities. We received an
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                                            authority of the Marine Mammal                           mammals. They include:                                initial draft of the request on January 2,
                                            Protection Act (MMPA) (16 U.S.C. 1361                      • Required monitoring of the                        2015, followed by a revised draft on
                                            et seq.), establish a framework for                      sampling areas to detect the presence of              April 28, 2015. On August 28, 2015 (80
                                            authorizing the take of marine mammals                   marine mammals before deployment of                   FR 52256), we published a notice of
                                            incidental to the NWFSC’s fisheries                      certain research gear.                                receipt of NWFSC’s application in the
                                            research activities in the California                      • Required use of acoustic deterrent                Federal Register, requesting comments
                                            Current and Pacific Northwest.                           devices on surface trawl nets.                        and information related to the NWFSC


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                        36371

                                            request for 30 days. We received                         Many of these surveys also use active                 (CCRA), Puget Sound Research Area
                                            comments jointly from The Humane                         acoustic devices.                                     (PSRA), and Lower Columbia River
                                            Society of the United States and Whale                      The Federal government has a                       Research Area (LCRRA). Please see
                                            and Dolphin Conservation, which we                       responsibility to conserve and protect                Figures 1–2 through 1–4 in the NWFSC
                                            considered in development of the notice                  living marine resources in U.S. waters                application for maps of the three
                                            of proposed rulemaking (81 FR 38516;                     and has also entered into a number of                 research areas. We note here that, while
                                            June 13, 2016) and which are available                   international agreements and treaties                 the NWFSC specified geographical
                                            online at: www.fisheries.noaa.gov/                       related to the management of living                   region extends outside of the U.S.
                                            action/incidental-take-authorization-                    marine resources in international waters              Exclusive Economic Zone (EEZ), from
                                            noaa-fisheries-nwfsc-fisheries-and-                      outside the United States. NOAA has                   the Mexican EEZ (not including
                                            ecosystem-research.                                      the primary responsibility for managing               Mexican territorial waters) north into
                                               NWFSC plans to conduct fisheries                      marine finfish and shellfish species and              the Canadian EEZ (not including
                                            research with trawl gear used at various                 their habitats, with that responsibility              Canadian territorial waters), the
                                            levels in the water column, hook-and-                    delegated within NOAA to NMFS.                        MMPA’s authority does not extend into
                                            line gears (including longlines with                        In order to direct and coordinate the              foreign territorial waters. These areas
                                            multiple hooks, rod and reel, and troll                  collection of scientific information                  were described in detail in our notice of
                                            deployments), purse seine/tangle net                     needed to make informed fishery                       proposed rulemaking (81 FR 38516;
                                            gear, and other gear. If a marine                        management decisions, Congress                        June 13, 2016); please see that document
                                            mammal interacts with gear deployed                      created six regional fisheries science                for further detail.
                                            by NWFSC, the outcome could                              centers, each a distinct organizational
                                                                                                     entity and the scientific focal point                 Detailed Description of Activities
                                            potentially be Level A harassment,
                                            serious injury (i.e., any injury that will               within NMFS for region-based, Federal                   A detailed description of NWFSC’s
                                            likely result in mortality), or mortality.               fisheries-related research. This research             planned activities was provided in our
                                            Therefore, NWFSC has pooled the                          is aimed at monitoring fish stock                     notice of proposed rulemaking (81 FR
                                            estimated number of incidents of take                    recruitment, abundance, survival and                  38516; June 13, 2016) and is not
                                            that could reasonably result from gear                   biological rates, geographic distribution             repeated here. No changes have been
                                            interactions, and we have assessed the                   of species and stocks, ecosystem process              made to the specified activities
                                            potential impacts accordingly. NWFSC                     changes, and marine ecological                        described therein.
                                            also uses various active acoustic devices                research. The NWFSC is the research                   Comments and Responses
                                            in the conduct of fisheries research, and                arm of NMFS in the northwest region of
                                                                                                     the United States. The NWFSC conducts                    We published a notice of proposed
                                            use of these devices has the potential to                                                                      rulemaking in the Federal Register on
                                            result in Level B harassment of marine                   research and provides scientific advice
                                                                                                     to manage fisheries and conserve                      June 13, 2016 (81 FR 38516; June 13,
                                            mammals. Level B harassment of                                                                                 2016), and requested comments and
                                            pinnipeds hauled out may also occur, as                  protected species in the geographic
                                                                                                     research area described below and                     information from the public. During the
                                            a result of visual disturbance from                                                                            thirty-day comment period, we received
                                            vessels conducting NWFSC research.                       provides scientific information to
                                                                                                     support the Pacific Fishery Management                a letter from the Marine Mammal
                                            These regulations are valid for five years                                                                     Commission (Commission). The
                                            from the date of issuance.                               Council and numerous other domestic
                                                                                                     and international fisheries management                comments and our responses are
                                               NWFSC requests authorization to take
                                                                                                     organizations.                                        provided here, and the comments have
                                            individuals of 16 species by Level A
                                                                                                                                                           been posted online at:
                                            harassment, serious injury, or mortality                 Dates and Duration                                    www.fisheries.noaa.gov/action/
                                            (hereafter referred to as M/SI) and of 34
                                                                                                        The specified activity may occur at                incidental-take-authorization-noaa-
                                            species by Level B harassment.
                                                                                                     any time during the five-year period of               fisheries-nwfsc-fisheries-and-ecosystem-
                                            Description of the Specified Activity                    validity of the regulations. Dates and                research. Please see the comment letter
                                                                                                     duration of individual surveys are                    for full rationale behind the
                                            Overview
                                                                                                     inherently uncertain, based on                        recommendations we respond to below.
                                               The NWFSC collects a wide array of                    congressional funding levels for the                  No changes were made to the proposed
                                            information necessary to evaluate the                    NWFSC, weather conditions, or ship                    rule as a result of these comments.
                                            status of exploited fishery resources and                contingencies. In addition, cooperative                  Comment 1: The Commission
                                            the marine environment. NWFSC                            research is designed to provide                       provides general recommendations—not
                                            scientists conduct fishery-independent                   flexibility on a yearly basis in order to             specific to the proposed NWFSC
                                            research onboard NOAA-owned and                          address issues as they arise. Some                    rulemaking—that NMFS develop
                                            operated vessels or on chartered vessels.                cooperative research projects last                    criteria and guidance for determining
                                            A few surveys are conducted onboard                      multiple years or may continue with                   when prospective applicants should
                                            commercial fishing vessels, but the                      modifications. Other projects only last               request taking by Level B harassment
                                            NWFSC designs and executes the                           one year and are not continued. Most                  from the use of echosounders, other
                                            studies and funds vessel time. The                       cooperative research projects go through              sonars, and sub-bottom profilers and
                                            NWFSC plans to administer and                            an annual competitive selection process               that NMFS formulate a strategy for
                                            conduct approximately 36 survey                          to determine which projects should be                 updating its generic behavioral
                                            programs over the 5-year period. The                     funded based on proposals developed                   harassment thresholds for all types of
                                            gear types used fall into several                        by many independent researchers and                   sound sources as soon as possible.
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                                            categories: Towed nets fished at various                 fishing industry participants.                           Response: We appreciate the
                                            levels in the water column, longline and                                                                       recommendations and will consider the
                                            other hook and line gear, seine nets,                    Specified Geographical Region                         need for applicant guidance specific to
                                            traps, and other gear. Only use of trawl                   The NWFSC conducts research in the                  the types of acoustic sources mentioned
                                            nets, hook and line gears, and purse                     Pacific Northwest and California                      by the Commission. Generally speaking,
                                            seine nets are likely to result in                       Current within three research areas: The              there has been a lack of information and
                                            interaction with marine mammals.                         California Current Research Area                      scientific consensus regarding the


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                                            36372                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            potential effects of scientific sonars on                echosounder signals to more closely                   referenced work indicates that ‘‘sub-
                                            marine mammals, which may differ                         resemble those of an impulse sound                    harmonics’’ could be ‘‘detectable’’ by
                                            depending on the system and species in                   than a continuous sound.                              certain species at distances up to several
                                            question as well as the environment in                      The Commission suggests that, for                  hundred meters (m). However, this
                                            which the system is operated. We are                     certain sources considered here, the                  detectability is in reference to ambient
                                            currently working to ensure that the use                 interval between pulses would not be                  noise, not to NMFS’s established 160-dB
                                            of these types of active acoustic sources                discernible to the animal, rendering                  threshold for assessing the potential for
                                            is considered consistently and look                      them effectively continuous. However,                 incidental take for these sources. A
                                            forward to the Commission’s advice as                    echosounder pulses are emitted in a                   behavioral response to a stimulus does
                                            we proceed.                                              similar fashion as odontocete                         not necessarily indicate that Level B
                                               With regard to revision of existing                   echolocation click trains. Research                   harassment, as defined by the MMPA,
                                            behavioral harassment criteria, NMFS                     indicates that marine mammals, in                     has occurred. Source levels of the
                                            agrees that this is necessary. NMFS is                   general, have extremely fine auditory                 secondary peaks considered in these
                                            continuing our examination of the                        temporal resolution and can detect each               studies—those within the hearing range
                                            effects of noise on marine mammal                        signal separately (e.g., Au et al., 1988;             of some marine mammals—range from
                                            behavior and plans to focus our work in                  Dolphin et al., 1995; Supin and Popov,                135–166 dB, meaning that these sub-
                                            the coming years on developing                           1995; Mooney et al., 2009), especially                harmonics would either be below the
                                            guidance regarding the effects of                        for species with echolocation                         threshold for behavioral harassment or
                                            anthropogenic sound on marine                            capabilities. Therefore, it is highly                 would attenuate to such a level within
                                            mammal behavior. Behavioral response                     unlikely that marine mammals would                    a few meters. Beyond these important
                                            is a complex question and we have                        perceive echosounder signals as being                 study details, these high-frequency (i.e.,
                                            determined that additional time is                       continuous.                                           Category 1) sources and any energy they
                                            needed to research and address it                           In conclusion, echosounder signals                 may produce below the primary
                                            appropriately.                                           are intermittent rather than continuous               frequency that could be audible to
                                               Comment 2: The Commission                             signals, and the fine temporal resolution             marine mammals would be dominated
                                            recommends that OPR require NWFSC                        of the marine mammal auditory system                  by a few primary sources (e.g., EK60)
                                            to estimate the numbers of marine                        allows them to perceive these sounds as               that are operated near-continuously—
                                            mammals taken by Level B harassment                      such. Further, the physical                           much like other Category 2 sources
                                            incidental to use of active acoustic                     characteristics of these signals indicate             considered in our assessment of
                                            sources (e.g., echosounders) based on                    a greater similarity to the way that                  potential incidental take from NWFSC’s
                                            the 120-decibel (dB) rather than the 160-                intermittent, impulsive sounds are                    use of active acoustic sources—and the
                                            dB root mean square (rms) threshold.                     received. Therefore, the 160-dB                       potential range above threshold would
                                               Response: Please see our notice of                    threshold (typically associated with
                                                                                                                                                           be so small as to essentially discount
                                            proposed rulemaking (81 FR 38516;                        impulsive sources) is more appropriate
                                                                                                                                                           them.
                                            June 13, 2016) for discussion related to                 than the 120-dB threshold (typically
                                            acoustic terminology and thresholds.                     associated with continuous sources) for               Mitigation
                                            The Commission repeats a                                 estimating takes by behavioral
                                            recommendation made in prior letters                     harassment incidental to use of such                     In order to issue an incidental take
                                            and, as we have previously indicated,                    sources. This response represents the                 authorization under section 101(a)(5)(A)
                                            we disagree with the recommendation.                     consensus opinion of acoustics experts                of the MMPA, NMFS must set forth the
                                            Our previous response is repeated                        from NMFS’ Office of Protected                        permissible methods of taking pursuant
                                            below.                                                   Resources and Office of Science and                   to such activity, and other means of
                                               Continuous sounds are those whose                     Technology.                                           effecting the least practicable adverse
                                            sound pressure level remains above that                     Comment 3: The Commission notes                    impact on such species or stock and its
                                            of the ambient sound, with negligibly                    that NMFS has delineated two                          habitat, paying particular attention to
                                            small fluctuations in level (NIOSH,                      categories of acoustic sources, largely               rookeries, mating grounds, and areas of
                                            1998; ANSI, 2005), while intermittent                    based on frequency, with those sources                similar significance, and on the
                                            sounds are defined as sounds with                        operating at frequencies greater than the             availability of such species or stock for
                                            interrupted levels of low or no sound                    known hearing ranges of any marine                    subsistence uses. We provided a full
                                            (NIOSH, 1998). Thus, echosounder                         mammal (i.e., >180 kilohertz (kHz))                   description of the planned mitigation
                                            signals are not continuous sounds but                    lacking the potential to cause disruption             measures, including background
                                            rather intermittent sounds. Intermittent                 of behavioral patterns. The Commission                discussion related to certain elements of
                                            sounds can further be defined as either                  describes the recent scientific literature            the mitigation plan, in our notice of
                                            impulsive or non-impulsive. Impulsive                    on acoustic sources with frequencies                  proposed rulemaking (81 FR 38516;
                                            sounds have been defined as sounds                       above 180 kHz (i.e., Deng et al., 2014;               June 13, 2016). Please see that document
                                            which are typically transient, brief (<1                 Hastie et al., 2014) and recommends                   for more detail.
                                            sec), broadband, and consist of a high                   that we estimate numbers of takes                        NMFS has considered many potential
                                            peak pressure with rapid rise time and                   associated with those acoustic sources                mitigation measures, including those
                                            rapid decay (ANSI, 1986; NIOSH, 1998).                   (or similar acoustic sources) with                    the NWFSC has determined to be
                                            Echosounder signals also have durations                  frequencies above 180 kHz that have                   feasible and has implemented in recent
                                            that are typically very brief (<1 sec),                  been shown to elicit behavioral                       years as a standard part of sampling
                                            with temporal characteristics that more                  responses above the 120-dB threshold.                 protocols. These measures include the
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                                            closely resemble those of impulsive                         Response: We considered the                        move-on rule mitigation protocol (also
                                            sounds than non-impulsive sounds,                        information cited by the Commission in                referred to in the preamble as the move-
                                            which typically have more gradual rise                   our proposed rulemaking. NMFS’s                       on rule), protected species visual
                                            times and longer decays (ANSI, 1995;                     response regarding the appropriateness                watches and use of acoustic pingers on
                                            NIOSH, 1998). With regard to behavioral                  of the 120-dB versus 160-dB rms                       trawl gear, as well as use of a marine
                                            thresholds, we consider the temporal                     thresholds was provided above in the                  mammal excluder device (MMED) in
                                            and spectral characteristics of                          response to Comment #2. In general, the               Nordic 264 trawl nets.


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                         36373

                                            General Measures                                            Handling procedures—The NWFSC                      been seen within 500 m (or as far as may
                                               Coordination and communication—                       will implement a number of handling                   be observed if less than 500 m) of the
                                            We require that the NWFSC take all                       protocols to minimize potential harm to               ship or appear to be approaching the
                                            necessary measures to coordinate and                     marine mammals that are incidentally                  ship during the pre-set watch period
                                            communicate in advance of each                           taken during the course of fisheries                  prior to the deployment of any trawl
                                            specific survey with NOAA’s Office of                    research activities. In general, protocols            gear. During nighttime operations,
                                            Marine and Aviation Operations                           have already been prepared for use on                 visual observation may be conducted
                                            (OMAO), or other relevant parties, to                    commercial fishing vessels. Because                   using the naked eye and available vessel
                                            ensure that all mitigation measures and                  incidental take of marine mammals in                  lighting but effectiveness is limited. The
                                            monitoring requirements described                        fishing gear is similar for commercial                visual observation period typically
                                            herein, as well as the specific manner of                fisheries and research surveys, NWFSC                 occurs during transit leading up to
                                            implementation and relevant event-                       proposes to adopt these protocols,                    arrival at the sampling station, rather
                                                                                                     which are expected to increase post-                  than upon arrival on station. However,
                                            contingent decision-making processes,
                                                                                                     release survival. In general, following a             in some cases it may be necessary to
                                            are clearly understood and agreed-upon.
                                                                                                     ‘‘common sense’’ approach to handling                 conduct a plankton tow or other small
                                            This may involve description of all
                                                                                                     captured or entangled marine mammals                  net cast prior to deploying trawl gear. In
                                            required measures when submitting
                                                                                                     will present the best chance of                       these cases, the visual watch will
                                            cruise instructions to OMAO or when
                                                                                                     minimizing injury to the animal and of                continue until trawl gear is ready to be
                                            completing contracts with external
                                                                                                     decreasing risks to scientists and vessel             deployed. Aside from pre-trawl
                                            entities. NWFSC will coordinate and
                                                                                                     crew. Handling or disentangling marine                monitoring, the OOD/CS and crew
                                            conduct briefings at the outset of each
                                                                                                     mammals carries inherent safety risks,                standing watch will visually scan for
                                            survey and as necessary between the
                                                                                                     and using best professional judgment                  marine mammals during all daytime
                                            ship’s crew (commanding officer/master                   and ensuring human safety is                          operations.
                                            or designee(s), as appropriate) and                      paramount.                                               It is important to note that the 500 m
                                            scientific party in order to explain                        Captured live or injured marine                    distance is provided only as a frame of
                                            responsibilities, communication                          mammals are released from research                    reference for marine mammal
                                            procedures, marine mammal monitoring                     gear and returned to the water as soon                observations that would nominally be of
                                            protocol, and operational procedures.                    as possible with no gear or as little gear            greater concern as regards the potential
                                            The chief scientist (CS) will be                         remaining on the animal as possible.                  for interaction with research fishing
                                            responsible for coordination with the                    Animals are released without removing                 gear. The primary concern is to avoid all
                                            Officer on Deck (OOD; or equivalent on                   them from the water if possible, and                  marine mammal interactions (regardless
                                            non-NOAA platforms) to ensure that                       data collection is conducted in such a                of the numbers of takes proposed for
                                            requirements, procedures, and decision-                  manner as not to delay release of the                 authorization here), and the most
                                            making processes are understood and                      animal(s) or endanger the crew. NWFSC                 appropriate course of action to achieve
                                            properly implemented.                                    staff will be instructed on how to                    this goal in any given instance is likely
                                               Vessel speed—Vessel speed during                      identify different species, handle and                to be related more to event-specific
                                            active sampling rarely exceeds 5 knots                   bring marine mammals aboard a vessel,                 elements than to an arbitrary distance
                                            (kn), with typical speeds being 2–4 kn.                  assess the level of consciousness,                    from the vessel. Depending on
                                            Transit speeds vary from 6–14 kn but                     remove fishing gear, and return marine                unpredictable contextual elements,
                                            average 10 kn. These low vessel speeds                   mammals to water.                                     animals sighted at distances greater than
                                            minimize the potential for ship strike.                                                                        500 m could provoke mitigation action
                                            At any time during a survey or in                        Trawl Survey Visual Monitoring and
                                                                                                                                                           or, conversely, animals sighted at closer
                                            transit, if a crew member standing                       Operational Protocols
                                                                                                                                                           range could be determined to not be at
                                            watch or dedicated marine mammal                           Specific mitigation protocols are                   risk of interacting with research fishing
                                            observer sights marine mammals that                      required for all trawl operations                     gear. The NWFSC considers 500 m to be
                                            may intersect with the vessel course,                    conducted by the NWFSC using Nordic                   the average effective observation
                                            that individual will immediately                         264 surface trawl gear, midwater trawl                distance, but the actual effective range
                                            communicate the presence of marine                       gear (modified Cobb, Aleutian Wing,                   is determined by numerous factors
                                            mammals to the bridge for appropriate                    and various commercial nets), and                     related to the weather, ship
                                            course alteration or speed reduction, as                 bottom trawl gear (double-rigged                      observations, and the species observed.
                                            possible, to avoid incidental collisions.                shrimp, Poly Nor’easter, modified                        The primary purpose of conducting
                                               Other gears—The NWFSC deploys a                       Aberdeen, beam, and various                           pre-trawl visual monitoring is to
                                            wide variety of gear to sample the                       commercial nets). Separate protocols                  implement the move-on rule. If marine
                                            marine environment during all of their                   (described below) are in place for the                mammals are sighted within 500 m (or
                                            research cruises. Many of these types of                 Kodiak surface trawl and pair trawl                   as far as may be observed if less than
                                            gear (e.g., plankton nets, video camera                  gear. Marine mammal watches will be                   500 m) of the vessel and are considered
                                            and remotely-operated vehicle (ROV)                      conducted for at least ten minutes prior              at risk of interacting with the vessel or
                                            deployments) are not considered to pose                  to the beginning of the planned set and               research gear, or appear to be
                                            any risk to marine mammals and are                       throughout the tow and net retrieval, by              approaching the vessel and are
                                            therefore not subject to specific                        scanning the surrounding waters with                  considered at risk of interaction,
                                            mitigation measures. However, at all                     the naked eye and rangefinding                        NWFSC may elect to either remain
                                            times when the NWFSC is conducting                       binoculars (or monocular). Lookouts                   onsite to see if the animals move off or
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                                            survey operations at sea, the OOD and/                   immediately alert the OOD and CS as to                may move on to another sampling
                                            or CS and crew will monitor for any                      their best estimate of the species and                location. When remaining onsite, the set
                                            unusual circumstances that may arise at                  number of animals observed and any                    is delayed (typically for at least ten
                                            a sampling site and use best                             observed animal’s distance, bearing, and              minutes) and, if the animals depart or
                                            professional judgment to avoid any                       direction of travel relative to the ship’s            appear to no longer be at risk of
                                            potential risks to marine mammals                        position. The CS must confirm with the                interacting with the vessel or gear, a
                                            during use of all research equipment.                    OOD that no marine mammals have                       further ten minute observation period is


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                                            36374                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            conducted. If no further observations are                   For all surveys, although the                      before the gear is fully retrieved, the
                                            made or the animals still do not appear                  minimum pre-set watch period is ten                   most appropriate response to avoid
                                            to be at risk of interaction, then the set               minutes, the actual monitoring period is              marine mammal interaction will be
                                            may be made. If the vessel is moved to                   typically longer. During standard trawl               determined by the professional
                                            a different section of the sampling area,                operations, at least some of the trackline            judgment of the CS, watch leader, OOD
                                            move-on rule mitigation protocols                        to be towed is typically traversed prior              and other experienced crew as
                                            would begin anew. If, after moving on,                   to setting gear in order to check for                 necessary. This judgment will be based
                                            marine mammals remain at risk of                         hazards. On surface trawl surveys, CTD                on past experience operating trawl gears
                                            interaction, the CS or watch leader may                  casts and plankton/bongo net hauls are                around marine mammals (i.e., best
                                            decide to move again or to skip the                      made prior to setting the trawl. These                professional judgment) and on NWFSC
                                            station. Marine mammals that are                         activities can take 25–35 minutes after               training sessions that will facilitate
                                            sighted further than 500 m from the                      the vessel arrives on station, depending              dissemination of expertise operating in
                                            vessel would be monitored to determine                   on water depth, and monitoring for                    these situations (e.g., factors that
                                            their position and movement in relation                  marine mammals continues throughout                   contribute to marine mammal gear
                                            to the vessel. If they appear to be closing              these activities. Midwater trawls and                 interactions and those that aid in
                                            on the vessel, the move-on rule                          bottom trawls do not typically deploy                 successfully avoiding such events). Best
                                            protocols may be implemented even if                     other gears before deploying trawl gear,              professional judgment takes into
                                            they are initially further than 500 m                    but reconnaissance of the trackline often             consideration the species, numbers, and
                                            from the vessel.                                         takes ten to fifteen minutes after arriving           behavior of the animals, the status of the
                                               For surface trawl surveys (i.e., those                on station. In addition, once the                     trawl net operation (e.g., net opening,
                                            surveys deploying the Nordic 264 net),                   decision is made to deploy the trawl                  depth, and distance from the stern), the
                                            which have historically presented the                    gear, monitoring continues while the net              time it would take to retrieve the net,
                                            greatest risk of marine mammal                           is unspooled, which may take about ten                and safety considerations for changing
                                            interaction, dedicated crew are assigned                 minutes. Before the trawl doors are                   speed or course. We recognize that it is
                                            to marine mammal monitoring duty                         deployed, the net floats closed on the                not possible to dictate in advance the
                                            (i.e., have no other tasks) and care is                  surface behind the vessel, and                        exact course of action that the OOD or
                                            taken to provide some rest periods for                   appropriate actions can be taken if                   CS should take in any given event
                                            observers to avoid fatigue. At least two                 marine mammals are sighted near the                   involving the presence of marine
                                            pairs of binoculars are available for                    ship. Therefore, the marine mammal                    mammals in proximity to an ongoing
                                            verification of potential sightings. As                  monitoring period—which begins before                 trawl tow, given the sheer number of
                                            the vessel approaches the station, the                   the vessel arrives on station and extends             potential variables, combinations of
                                            OOD and at least one assigned member                     continuously through gear                             variables that may determine the
                                            of the scientific party monitor for                      deployment—typically extends for over                 appropriate course of action, and the
                                            marine mammals. Within several                           thirty minutes for all trawl types.                   need to consider human safety in the
                                                                                                        The effectiveness of visual monitoring             operation of fishing gear at sea.
                                            minutes of arriving on station and
                                                                                                     may be limited depending on weather                   Nevertheless, we require a full
                                            finishing their sampling duties, two
                                                                                                     and lighting conditions. The OOD, CS,                 accounting of factors that shape both
                                            additional members of the scientific
                                                                                                     or watch leader will determine the best               successful and unsuccessful decisions,
                                            party are assigned to monitor for marine                 strategy to avoid potential takes of                  and these details will be fed back into
                                            mammals and, for the remainder of the                    marine mammals based on the species                   NWFSC training efforts and ultimately
                                            tow, there would be a minimum of three                   encountered and their numbers and                     help to refine the best professional
                                            members of the scientific party                          behavior, position, and vector relative to            judgment that determines the course of
                                            watching for marine mammals.                             the vessel, as well as any other factors.             action taken in any given scenario (see
                                            Depending on the situational context                     For example, a whale transiting through               further discussion in ‘‘Monitoring and
                                            (e.g., numbers of marine mammals seen                    the sampling area in the distance may                 Reporting’’).
                                            during the station approach or expected                  only require a short move from the                       If trawling operations have been
                                            at that particular place and season),                    designated station, whereas a pod of                  suspended because of the presence of
                                            additional crew may be assigned to                       dolphins in close proximity to the                    marine mammals, the vessel will
                                            stand watch as necessary to provide full                 vessel may require a longer move from                 resume trawl operations (when
                                            monitoring coverage around the vessel.                   the station or possibly cancellation of               practicable) only when the animals are
                                            Up to eight observers in total (including                the planned tow if the group follows the              believed to have departed the area. This
                                            ship’s crew standing watch) may be on                    vessel.                                               decision is at the discretion of the OOD/
                                            duty during active trawling. The focus                      In general, trawl operations will be               CS and is dependent on the situation.
                                            on the full area around the ship                         conducted immediately upon arrival on                    Standard survey protocols that are
                                            continues until trawl retrieval begins, at               station (and on conclusion of the pre-                expected to lessen the likelihood of
                                            which point observational focus turns to                 watch period) in order to minimize the                marine mammal interactions include
                                            the stern and the trawl net itself.                      time during which marine mammals                      standardized tow durations and
                                               For midwater and bottom trawl                         (particularly pinnipeds) may become                   distances. Standard tow durations of not
                                            surveys, the pre-set watch period is                     attracted to the vessel. However, in                  more than thirty minutes at the target
                                            conducted by the OOD and bridge crew                     some cases it will be necessary to                    depth will typically be implemented,
                                            and typically occurs during transit prior                conduct small net tows (e.g., bongo net)              excluding deployment and retrieval
                                            to arrival at the sampling station but                   prior to deploying trawl gear.                        time (which may require an additional
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                                            may also include time on station if other                   Once the trawl net is in the water, the            thirty minutes, depending on target
                                            types of gear or equipment (e.g., bongo                  OOD, CS, and/or crew standing watch                   depth), to reduce the likelihood of
                                            nets) are deployed before the trawl. For                 will continue to visually monitor the                 attracting and incidentally taking
                                            these trawls, risk of interaction during                 surrounding waters and will maintain a                marine mammals. Short tow durations
                                            the tow is lower and monitoring effort                   lookout for marine mammal presence as                 decrease the opportunity for marine
                                            is reduced to the bridge crew until trawl                far away as environmental conditions                  mammals to find the vessel and
                                            retrieval.                                               allow. If marine mammals are sighted                  investigate. Trawl tow distances will be


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                         36375

                                            less than 3 nautical miles (nmi)—                        Nordic 264 (one of 37 total incidents                 160 kHz; and (4) maximum source level
                                            typically 1–2 nmi, depending on the                      since 1999). Therefore, MMED use is not               of 145 dB rms re 1 mPa.
                                            specific survey and trawl speed—which                    proposed for nets other than the Nordic                  Kodiak surface trawl and pair trawl
                                            is expected to reduce the likelihood of                  264.                                                  gear—The Kodiak surface trawl, used
                                            attracting and incidentally taking                          The NWFSC has tested the MMED                      only in Puget Sound, has only limited
                                            marine mammals. In addition, care will                   design used by the SWFSC and found                    potential for marine mammal
                                            be taken when emptying the trawl to                      that it caused a significant loss of some             interaction. This gear type is a small net
                                            avoid damage to marine mammals that                      salmon species that were the target of                towed at slow speeds (about 2 kn) as
                                            may be caught in the gear but are not                    their research. More recent experiments               close to shore as the net can be fished,
                                            visible upon retrieval. The gear will be                 have used video cameras attached to the               and these characteristics mean that
                                            emptied as quickly as possible after                     net opening and near the excluder                     marine mammals would likely be able
                                            retrieval in order to determine whether                  device to test different configurations of            to avoid the net or swim out of it if
                                            or not marine mammals are present. The                   the excluder device to minimize loss of               necessary. However, rules for cetaceans
                                            vessel’s crew will clean trawl nets prior                target species. The experiments have                  would be similar as for other net types
                                            to deployment to remove prey items that                  looked at adding weight and stiffeners                (i.e., delay and/or move-on if cetaceans
                                            might attract marine mammals. Catch                      to the flap covering the escape hatch to              observed within approximately 500 m
                                            volumes are typically small with every                   keep it closed and flipping the MMED                  or clearly approaching from greater
                                            attempt made to collect all organisms                    so the escape hatch faces down rather                 distance). If killer whales are observed
                                            caught in the trawl.                                     than up. Based on preliminary results,                at any distance, the net would not be
                                               Marine mammal excluder device—                        this downward-pointing escape hatch                   deployed, and the move-on rule would
                                            Excluder devices are specialized                         appears to be the best design for                     be invoked.
                                            modifications, typically used in trawl                                                                            The pair trawl is used only in the
                                                                                                     minimizing loss of target species.
                                            nets, which are designed to reduce                                                                             Columbia River and is fished with an
                                                                                                     Additional research will be necessary to
                                            bycatch by allowing non-target taxa to                                                                         open codend. Although unlikely, there
                                                                                                     calibrate catch levels in tows with the
                                            escape the net. These devices generally                                                                        is some potential for pinnipeds to
                                                                                                     excluder device compared to past tows
                                            consist of a grid of bars fitted into the                                                                      become entangled in the net material.
                                                                                                     that did not contain the excluder (i.e., to
                                            net that allow target species to pass                                                                          NWFSC’s practice, which would be
                                                                                                     align the new catchability rates with
                                            through the bars into the codend while                                                                         allowed under section 109(h) of the
                                                                                                     historical data sets). During these
                                            larger, unwanted taxa (e.g., turtles,                                                                          MMPA, is to deter pinnipeds from
                                                                                                     configuration and calibration
                                            sharks, mammals) strike the bars and are                                                                       encountering the net using pyrotechnic
                                                                                                     experiments some nets will be fished
                                            ejected through an opening in the net.                                                                         devices and other measures. Therefore,
                                                                                                     without the MMED in order to provide                  separate mitigation is not warranted,
                                            Marine mammal excluder devices
                                                                                                     controls for catchability. Once the                   and we do not discuss NWFSC
                                            (MMED) have not been proven to be
                                                                                                     NWFSC completes these experiments                     deterrence of pinnipeds associated with
                                            fully effective at preventing marine
                                                                                                     the MMED will be used in all future                   pair trawl surveys further in this
                                            mammal capture in trawl nets (e.g.,
                                                                                                     trawls with the Nordic 264. Please see                document. Please see the NWFSC’s
                                            Chilvers, 2008) and are not expected to
                                                                                                     ‘‘Monitoring and Reporting’’ for                      Programmatic Environmental
                                            prevent marine mammal capture in
                                                                                                     additional discussion.                                Assessment (EA) for further information
                                            NWFSC trawl surveys. It is difficult to
                                            effectively test such devices, in terms of                  Acoustic deterrent devices—Acoustic                about this practice.
                                            effectiveness in excluding marine                        deterrent devices (pingers) are
                                                                                                     underwater sound-emitting devices that                Longline and Other Hook and Line
                                            mammals as opposed to effects on target                                                                        Survey Visual Monitoring and
                                            species catchability, because realistic                  have been shown to decrease the
                                                                                                     probability of interactions with certain              Operational Protocols
                                            field trials would necessarily involve
                                            marine mammal interactions with trawl                    species of marine mammals when                           Visual monitoring requirements for all
                                            nets. Use of artificial surrogates in field              fishing gear is fitted with the devices.              longline surveys are similar to the
                                            trials has not been shown to be a                        Multiple studies have reported                        general protocols described above for
                                            realistic substitute (Gibson and Isakssen,               significant decreases in marine mammal                trawl surveys. Please see that section for
                                            1998). Nevertheless, we believe it                       interactions with fishing gear following              full details of the visual monitoring
                                            reasonable to assume that use of                         pinger deployment, with results                       protocol and the move-on rule
                                            MMEDs may reduce the likelihood of a                     reported for multiple species and gears               mitigation protocol. In summary,
                                            given marine mammal interaction with                     (e.g., Kraus et al., 1997; Trippel et al.,            requirements for longline surveys are to:
                                            trawl gear resulting in mortality. We do                 1999; Gearin et al., 2000; Palka et al.,              (1) Conduct visual monitoring during
                                            not infer causality, but note that annual                2008; Barlow and Cameron, 2003,                       the 30-minute period prior to arrival on
                                            marine mammal interactions with the                      Carretta et al., 2008; Carretta and                   station; (2) implement the move-on rule
                                            Nordic 264 trawl net have been much                      Barlow, 2011). Pingers will be deployed               if marine mammals are observed within
                                            reduced for NMFS’s Southwest                             during all surface trawl operations (i.e.,            the area around the vessel and may be
                                            Fisheries Science Center (SWFSC)                         using the Nordic 264 net), with two                   at risk of interacting with the vessel or
                                            (relative to 2008) since their use of the                pairs of pingers installed near the net               gear; (3) deploy gear as soon as possible
                                            MMED began.                                              opening. The vessel’s crew will ensure                upon arrival on station (depending on
                                               Multiple types of midwater trawl nets                 that pingers are operational prior to                 presence of marine mammals); and (4)
                                            are used in NWFSC trawl surveys. The                     deployment. Pinger brands typically                   maintain visual monitoring effort
                                            Nordic 264 trawl net, used as a surface                  used by NWFSC include the Aquatec                     throughout deployment and retrieval of
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                                            trawl by NWFSC, is generally much                        Subsea Limited model AQUAmark and                     the longline gear. As was described for
                                            larger than the midwater trawls, is                      Fumunda Marine models F10 and F70,                    trawl gear, the OOD, CS, or watch leader
                                            fished at faster speeds, and has a                       with the following attributes: (1)                    will use best professional judgment to
                                            different shape and functionality than                   Operational depth of 10–200 m; (2)                    minimize the risk to marine mammals
                                            these nets. Very few marine mammal                       tones range from 200–400 ms in                        from potential gear interactions during
                                            interactions with NWFSC pelagic trawl                    duration, repeated every five to six                  deployment and retrieval of gear. If
                                            gear have involved nets other than the                   seconds; (3) variable frequency of 10–                marine mammals are detected during


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                                            36376                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            setting operations and are considered to                 small numbers of pinnipeds may be                        We have carefully evaluated the
                                            be at risk, immediate retrieval or                       attracted to purse seine operations,                  NWFSC’s planned mitigation measures
                                            suspension of operations may be                          especially in Puget Sound, and are                    and considered a range of other
                                            warranted. If operations have been                       frequently observed to enter operational              measures in the context of ensuring that
                                            suspended because of the presence of                     purse seines to depredate the catch and               we prescribed the means of effecting the
                                            marine mammals, the vessel will                          exit the net unharmed. Use of the move-               least practicable adverse impact on the
                                            resume setting (when practicable) only                   on rule in these circumstances would                  affected marine mammal species and
                                            when the animals are believed to have                    represent an impracticable impact on                  stocks and their habitat. Our evaluation
                                            departed the area. If marine mammals                     NWFSC survey operations, and we note                  of potential measures included
                                            are detected during retrieval operations                 that no marine mammals have ever been                 consideration of the following factors in
                                            and are considered to be at risk, haul-                  captured in NWFSC seine surveys.                      relation to one another: (1) The manner
                                            back may be postponed. These decisions                      If pinnipeds are in the immediate                  in which, and the degree to which, the
                                            are at the discretion of the OOD/CS and                  vicinity of a purse seine survey, the set             successful implementation of the
                                            are dependent on the situation. If killer                may be delayed until animals move                     measure is expected to minimize
                                            whales are observed at any distance, the                 away or the move-on rule is determined                adverse impacts to marine mammals, (2)
                                            set would not occur and the move-on                      to be appropriate, but the net would not              the proven or likely efficacy of the
                                            rule would be invoked.                                   be opened if already deployed and                     specific measure to minimize adverse
                                               Other types of hook and line surveys                  pinnipeds enter it. However, delay                    impacts as planned; and (3) the
                                            (e.g., rod and reel) generally use the                   would not be invoked if only few                      practicability of the measure for
                                            same protocols as longline surveys.                      pinnipeds are present (e.g., less than                applicant implementation.
                                            However, for hook and line surveys in                    five), and they do not appear to                         Any mitigation measure(s) we
                                            Puget Sound the move-on rule is not                      obviously be at risk.                                 prescribe should be able to accomplish,
                                            required for pinnipeds because they are                     If any dolphins or porpoises are                   have a reasonable likelihood of
                                            commonly abundant on shore nearby                        observed within approximately 500 m of                accomplishing (based on current
                                            hook and line sampling locations. Use                    the purse seine survey location, the set              science), or contribute to the
                                            of the move-on rule in these                             would be delayed. If any dolphins or                  accomplishment of one or more of the
                                            circumstances would represent an                         porpoises are observed in the net, the                general goals listed below:
                                            impracticable impact on NWFSC survey                     net would be immediately opened to                       (1) Avoidance or minimization of
                                            operations, and we note that no marine                   free the animals. If killer whales or other           injury or death of marine mammals
                                            mammals have ever been captured in                       large whales are observed at any                      wherever possible (goals 2, 3, and 4 may
                                            NWFSC hook and line surveys.                             distance the net would not be set, and                contribute to this goal);
                                            However, the NWFSC would implement                       the move-on rule would be invoked.                       (2) A reduction in the number (total
                                            the move-on rule for hook and line                          Beach seines are typically set                     number or number at biologically
                                            surveys in Puget Sound for any                           nearshore by small boat crews, who                    important time or location) of
                                            cetaceans that are within 500 m and                      visually survey the area prior to the set.            individual marine mammals exposed to
                                            may be at risk of interaction with the                   The set would not be made within 200                  stimuli expected to result in incidental
                                            survey operation. If killer whales are                   m of any hauled pinnipeds. Otherwise,                 take (this goal may contribute to 1,
                                            observed at any distance, fishing would                  marine mammals are unlikely to be at                  above, or to reducing takes by
                                            not occur.                                               risk of interaction with NWFSC beach                  behavioral harassment only);
                                               As for trawl surveys, some standard                   seine operations, as the nets are                        (3) A reduction in the number (total
                                            survey protocols are expected to                         relatively small and deployed and                     number or number at a biologically
                                            minimize the potential for marine                        retrieved slowly. If a marine mammal is               important time or location) of times any
                                            mammal interactions. Soak times are                      observed attempting to interact with the              individual marine mammal would be
                                            typically short relative to commercial                   beach seine gear, the gear would                      exposed to stimuli expected to result in
                                            fishing operations, measured from the                    immediately be lifted and removed from                incidental take (this goal may contribute
                                            time the last hook is in the water to                    the water.                                            to 1, above, or to reducing takes by
                                            when the first hook is brought out of the                   Tangle net protocols—Tangle nets are               behavioral harassment only);
                                            water. NWFSC longline protocols                          used only in the Columbia River.                         (4) A reduction in the intensity of
                                            specifically prohibit chumming                           NWFSC attempts to avoid pinnipeds by                  exposure to stimuli expected to result in
                                            (releasing additional bait to attract target             rotating sampling locations on a daily                incidental take (this goal may contribute
                                            species to the gear) and spent bait and                  basis and by avoiding fishing near                    to 1, above, or to reducing the severity
                                            offal is retained on the vessel until all                haulout areas. However, as was                        of behavioral harassment only);
                                            gear has been retrieved. Some hook and                   described for NWFSC use of pair trawl                    (5) Avoidance or minimization of
                                            line surveys use barbless hooks, which                   gear in the LCRRA, NWFSC also deters                  adverse effects to marine mammal
                                            are less likely to injure a hooked animal.               pinnipeds from interacting with tangle                habitat, paying particular attention to
                                                                                                     net gear as necessary using pyrotechnic               the prey base, blockage or limitation of
                                            Seine Survey Visual Monitoring and                       devices and visual presence, a practice               passage to or from biologically
                                            Operational Protocols                                    allowed under section 109(h) of the                   important areas, permanent destruction
                                              Visual monitoring and operational                      MMPA. Therefore, we do not discuss                    of habitat, or temporary disturbance of
                                            protocols for seine surveys are similar to               NWFSC deterrence of pinnipeds                         habitat during a biologically important
                                            those described previously for trawl                     associated with tangle net surveys                    time; and
                                            surveys, with a focus on visual                          further in this document. Please see the                 (6) For monitoring directly related to
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                                            observation in the survey area and                       NWFSC’s draft Programmatic EA for                     mitigation, an increase in the
                                            avoidance of marine mammals that may                     further information about this practice.              probability of detecting marine
                                            be at risk of interaction with survey                    If pinniped presence in the vicinity of               mammals, thus allowing for more
                                            vessels or gear. For purse seine                         tangle net surveys is so abundant as to               effective implementation of the
                                            operations, visual monitoring is focused                 be uncontrollable through deterrence,                 mitigation.
                                            on avoidance of cetaceans and                            sampling would be discontinued for a                     Based on our evaluation of the
                                            aggregations of pinnipeds. Individual or                 given day.                                            NWFSC’s proposed measures, as well as


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                        36377

                                            other measures we considered, we have                    and trends, distribution and habitat                  region where NWFSC plans to conduct
                                            determined that these mitigation                         preferences, behavior and life history,               the specified activities, summarizing
                                            measures provide the means of effecting                  and auditory capabilities of the                      information related to the population or
                                            the least practicable adverse impact on                  potentially affected species—for                      stock, including potential biological
                                            marine mammal species or stocks and                      accuracy and completeness and referred                removal (PBR). Current information, as
                                            their habitat, paying particular attention               readers to Sections 3 and 4 of NWFSC’s                reported in the most recent final 2016
                                            to rookeries, mating grounds, and areas                  application, as well as to NMFS’s Stock               and draft 2017 SARs, is summarized in
                                            of similar significance.                                 Assessment Reports (SARs;                             Table 1 below (Carretta et al., 2017;
                                                                                                     www.fisheries.noaa.gov/national/                      Muto et al., 2017;
                                            Description of Marine Mammals in the                     marine-mammal-protection/marine-
                                            Area of the Specified Activity                                                                                 www.fisheries.noaa.gov/national/
                                                                                                     mammal-stock-assessments). We also
                                                                                                                                                           marine-mammal-protection/draft-
                                              We previously reviewed NWFSC’s                         provided information related to all
                                                                                                                                                           marine-mammal-stock-assessment-
                                            species descriptions—which summarize                     species with expected potential for
                                                                                                                                                           reports).
                                            available information regarding status                   occurrence in the specified geographical
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36378              Federal Register/Vol. 83, No. 145 /Friday, July 27, 2018 /Rules and Regulations

            Table 1. Marine Mammals Potentially Present in the Vicinity of NWFSC Research
                                             Activities.

                                                                     Occurrence                  Stock
                                                                                  ESA/MMPA     abundance
        Common         Scientific name             Stock                            status;.   (CV, Nmins    PBR    Annué‘l
         name                                                            —         Strategic   most recent           M/SI
                                                                    8    a    2     (Y¥/N)!    abundance
                                                                         7                      survey)"


    Order Cetartiodactyla — Cetacea — Superfamily Mysticeti (baleen whales)
    Family Eschrichtiidae
                                                                                                20,990
                      Eschrichtius                            .                       ,          (0.05;
    Gray whale        robustus              Eastern North Pacific   X         X      —; N       20.125:      624      132
                                                                                                 2011)
    Family Balaenopteridae (rorquals)
                                                spulss                                           1,918
                      Megaptera              California/Oregon/                                    \na.
    gfifigback          novaeangliae              Washington          X         X    E/D; Y        §08(;36     11°     >9.2
                      kuzira                   (CA/OR/WA)                                        2014)
      .               Balaenoptera
    Minke                                                                            _.; N     636 (0.72.;
    whale             acutorostlofata           CA/OR/WA            X         X                369; 2014)>   3.5     >
                                                                                                                     >1.3
                      scammoni
       .              B. borealis                             .                        ,        519 (0.4;
    Sei whale         borealis              Eastern North Pacific   X              E/D; Y      374; 2014)    0.75      0

                                                                                                 9,029
    Fin whale         2. 2/y80Ws
                      physalus
                                                CA/OR/WA            x              E/D:; Y       (0.12:
                                                                                                 8,127;
                                                                                                             $1      >2.0
                                                                                                 2014)
                                                                                                  1,647
    Blue whale        B. musculus           Eastern North Pacific   X              E/D; Y        (0'07;.     2.3°    >0.2
                      musculus                                                                   1,551;
                                                                                                 2011)
    Superfamily Odontoceti (toothed whales, dolphins, and porpoises)
    Family Physeteridae
                                                                                                 1,997
    Sperm             Physeter                                                         ,         (0.57;
    whale             macrocephalus             CA/OR/WA            h              E/D; Y        1,270;      2.3      0.9
                                                                                                 2014)
    Family Kogiidae
                                                                                                 4,111
    Pygmy                 .      .                                                   _.          (1.12;
    sperm whale       Kogia breviceps           CA/OR/WA            X                 ;N         1.924:      19.2      0
                                                                                                 2014)
    Dwarl
    sperm whale
                K. sima                         CA/OR/WA®           x                :N        Unknown Undet.          0
    Family Ziphiidae (beaked whales)

    Cuvier‘s                                                                                     3274
    beaked
      hale
                      Ziphius   _
                      cavirostris
                                                CA/OR/WA            x                o           (0.07:
                                                                                                 2,059;
                                                                                                             21      <0.4
    W                                                                                            2014)
    Baird‘s           p     d                                                                  2,697 (0.6;
    beaked            bairrdii                  CA/OR/WA            x                —; N        1,633;       16       0
    whale                                                                                        2014)

    Hubbs             Mesoplodon                                                                 3,044
    beaked            carlhubbsi                                    *A                           (0.54;
    whale                                       CA/OR/WA®                            —; Y        1.967.      20       0.1
    Blainville‘s                .       .                                                         iA
    beaked            M. densirostris                               X                            2014)


              Federal Register/Vol. 83, No. 145 /Friday, July 27, 2018 /Rules and Regulations               36379

whale
Ginkgo—
toothed               .
beaked           M. ginkgodens
whale
Perrin‘s
beaked           M. perrini
whale
Lesser
(pygmy)
beaked                    .
                 M. peruvianus
whale
Steineger‘s
beaked        M. stefnegeri
whale
Family Delphinidae
                                                                                1,924
Common           Tursiops          CA/OR/WA Offshore                 —; N       §02554;,      11     >1.6
bottlenose       truncatus                                                      2’01 4)’
dolphin          truncatus                                                    453 (0.06.
                                    California Coastal              —; N      346; 2011)      2.7    >2.0
                                                                               29,211
Striped          Stenella                                           ,            (0.2;
dolphin          coeruleoalba          CA/OR/WA                     sN         24,782;       238     20.8
                                                                                2014)
Long—                                                                         101,305
beaked           Delphinus                  .   .                    ,          (0.49;
common           delphis bairdii        California                  —s N       68,432;       657     2354
dolphin                                                                         2014)
Short—                                                                        969,861
beaked                       .                                       ,          (0.17;
common           D. d. delphis         CA/OR/WA                     —; N      $39.325:       8,393   >A40
dolphin                                                                         2014)
    ap                                                                         26,814
Pacific          Lagenorhynchus                                                 (0.28;
white—sided
       .
                   aenorty
                 obliquidens
                                       CA/OR/WA                     —: N          A0l
                                                                               21,195;
                                                                                              191     7.5
dolphin                                                                         2014)


Northern         Lissodelphis                                                  2((6),?1?16
right whale
      .
                        "P
                 borealis
                                       CA/OR/WA                     —; N           Ts
                                                                               18,608;
                                                                                              179     3.8
dolphin                                                                         2014)

                                                                                6,336
Risso‘s          Grampus                                            ,           (0.32;
dolphin          griseus               CA/OR/WA                     ~N          4,817;        146    23.
                                                                                2014)
                                   West Coast Transient‘            —; N      22)(()g/)a;     2.4     0

                                   Eastern North Pacific            _N       240 (0.49;       1.6     0
  .                  .        4          Offshore                    ’       162; 2014)          '
Killer whale     Orcinus orca                        :
                                   Eastern North Pacific           ED Y        83 (n/a;      0.14     0
                                     Southern Resident                 ’        2016)          |
                                   Eastern North Pacific             ,        261 (n/a;
                                    Northern Resident               ~N          2011)        1.96     0
Short—finned  Globicephala                                           ,       836 (0.79;
pilot whale   macrorhynchus            CAJOR/WA                     —s N     466; 2014)       4.5     1.2
Family Phocoenidae (porpoises)

Harbor.          Phocoena
                phocoena                Morro Bay                   —; N
                                                                                (2694117-
                                                                                  [mn.        21     >0.6
porpoise              .                                                         2,102;
                vomerina                                                        2012)


36380             Federal Register/Vol. 83, No. 145 /Friday, July 27, 2018 /Rules and Regulations

                                                                                    3,715
                                                                                    (0.51;
                                            Monterey Bay                                            235
                                                                                    2,480;
                                                                                    2011)
                                                                                    9,886
                                        San Francisco—Russian                       (0.51;
                                                                                                     66
                                                River                               6,625;
                                                                                    2011)
                                                                                    35,769
                                        Northern CA/Southern                        (0.52;
                                                                                                    4735    >0.6
                                                   OR                              23,749;
                                                                                    2011)
                                                                                   21,487
                                           Northern OR/WA                           (0.44;
                                                                                                    151
                                                 Coast                             15,123;
                                                                                    2011)
                                                                                   11,233
                                          Washington Inland                         (0.37;
                                                                                                     66     >7.2
                                               Waters                               8,308;
                                                                                    2015)
                                                                                    25,750
    Dall‘s           Phocoenoides                                                   (0.45;
                                             CA/OR/WA                                               172      0.3
    porpoise         dailli dalli                                                  17,954;
                                                                                    2014)
    Order Carnivora — Superfamily Pinnipedia
    Family Otariidae (eared seals and sea lions)
                                                                                   20,000
                    Arctocephalus
    Guadalupe
                    philippii                                          T/D; Y        (n/a;          542     >3 .20
    fur seal                                                                       15,830;
                    townsendi
                                                                                    2010)
                                                                                   637,561
                                               Pribilof                              (0.2;
                                                                                                   11,602    436
                                        Islands/Eastern Pacific                    539,638;
    Northern fur     Callorhinus
                                                                                    2015)
    seal             ursinus
                                                                                    14,050
                                               California                        (n/a; 7,524   9    451      1.8
                                                                                    2013)
                                                                                   296,750
    California       Zalophus
                                             United States
                                                                                     (n/a;         9,200     389
    sea lion         californianus                                                 153,337;
                                                                                    2011)
                  Eumetopias
    Steller sea                                                                     41,638
                  jubatus                    Eastern U.S.                                          2,498     108
    lion                                                                          (n/a; 2015)
                  monteriensis
    Family Phocidae (earless seals)
                                                                                   30,968
                                               California                            (n/a;         1,641     43
                                                                                   27,348;
                                                                                    2012)
                                                                                    24,732
                                                                                    (0.12;
                                            OR/WA Coast®                                           Undet.    10.6
                                                                                   22,380;
                     Phoca vitulina                                                 1999)
    Harbor seal
                     richardii                                                      11,036
                                         Washington Northern                        (0.15;
                                                                                                   Undet.    9.8
                                            Inland Waters®                          7,213;
                                                                                    1999)
                                                                                     1,568
                                                                                    (0.15;
                                        Southern Puget Sound*                                      Undet.    3.4
                                                                                    1,025;
                                                                                    1999)


                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                         36381




                                            BILLING CODE 3510–22–C
                                                                                                     not necessarily equate to the existing                the MMPA to be endangered and
                                               Prior to 2016, humpback whales were                   stocks designated under the MMPA and                  depleted for MMPA management
                                            listed under the ESA as an endangered                    shown in Table 1. Because MMPA                        purposes (e.g., selection of a recovery
                                            species worldwide. Following a 2015                      stocks cannot be portioned, i.e., parts               factor, stock status). Within U.S. west
amozie on DSK3GDR082PROD with RULES2




                                            global status review (Bettridge et al.,                  managed as ESA-listed while other parts               coast waters, three current DPSs may
                                            2015), NMFS established 14 distinct                      managed as not ESA-listed, until such                 occur: The Hawaii DPS (not listed),
                                            population segments (DPS) with                           time as the MMPA stock delineations                   Mexico DPS (threatened), and Central
                                            different listing statuses (81 FR 62259;                 are reviewed in light of the DPS                      America DPS (endangered).
                                            September 8, 2016) pursuant to the ESA.                  designations, NMFS considers the
                                            The DPSs that occur in U.S. waters do                    existing humpback whale stocks under
                                                                                                                                                                                                     ER27JY18.345</GPH>




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                                            36382                        Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            Potential Effects of the Specified                                             Estimated Take Due to Gear Interaction                          for the pinniped species and 1.4 animals
                                            Activity on Marine Mammals and Their                                              Historical Interactions—In order to                          captured per year for the Pacific white-
                                            Habitat                                                                        estimate the number of potential                                sided dolphin. No Steller sea lion has
                                                                                                                           incidents of take that could occur by                           been captured since 2002, northern fur
                                              We provided a summary and                                                                                                                    seals have been involved in only one
                                                                                                                           M/SI through gear interaction, we first
                                            discussion of the ways that components                                         considered NWFSC’s record of past                               incident (none since 2000), and only a
                                            of the specified activity may impact                                           such incidents, and then considered in                          few California sea lions and harbor seals
                                            marine mammals and their habitat in                                            addition other species that may have                            have been involved in interactions with
                                            our notice of proposed rulemaking (81                                          similar vulnerabilities to NWFSC trawl                          research fishing gear. However, we
                                            FR 38516; June 13, 2016). Specifically,                                        gear as those species for which we have                         assume that any of these species could
                                            we considered potential effects to                                             historical interaction records. Historical                      be captured in any year.
                                            marine mammals from ship strike,                                               interactions with NWFSC research gear                              In order to produce the most
                                            physical interaction with various gear                                         were described in Table 4 of our notice                         precautionary take estimates possible,
                                            types, use of active acoustic sources,                                         of proposed rulemaking (81 FR 38516;                            we consider all of the data available to
                                            and visual disturbance of pinnipeds, as                                        June 13, 2016). Please see that document                        us (i.e., since 1999). In consideration of
                                            well as effects to prey species and to                                         for more information. Available records                         these interaction records, we assume
                                            acoustic habitat. The information is not                                       are for the years 1999 through present.                         that one individual of each species of
                                            reprinted here.                                                                All historical interactions have taken                          otariid pinniped could be captured per
                                                                                                                           place in the CCRA, offshore Washington                          year over the course of the five-year
                                            Estimated Take by Incidental                                                   and Oregon, and have occurred during                            period of validity for these proposed
                                            Harassment, Serious Injury, or                                                 use of the Nordic 264 surface trawl net,                        regulations, that two individual harbor
                                            Mortality                                                                      with a few exceptions. There is one                             seals could be captured per year, and
                                                                                                                           historical interaction in the PSRA (also                        that the worst case event could happen
                                              Except with respect to certain                                               using the Nordic 264 surface trawl), and
                                            activities not pertinent here, the MMPA                                                                                                        each year for Pacific white-sided
                                                                                                                           one CCRA historical interaction using
                                            defines ‘‘harassment’’ as: Any act of                                                                                                          dolphins (i.e., six dolphins could be
                                                                                                                           the modified Cobb midwater trawl.
                                            pursuit, torment, or annoyance which (i)                                                                                                       captured in a single trawl in each year).
                                                                                                                           NWFSC has no historical interactions
                                            has the potential to injure a marine                                                                                                           Table 2 shows the projected five-year
                                                                                                                           for any bottom trawl, hook and line, or
                                            mammal or marine mammal stock in the                                                                                                           total captures of these five species for
                                                                                                                           seine gear, and has no historical
                                            wild (Level A harassment); or (ii) has                                                                                                         this final rule, as described above, for
                                                                                                                           interactions in the LCRRA. Please see
                                            the potential to disturb a marine                                              Figure 6–1 in the NWFSC request for                             trawl gear only. Although more than one
                                            mammal or marine mammal stock in the                                           authorization for specific locations of                         individual of the two sea lion species
                                            wild by causing disruption of behavioral                                       these incidents.                                                has been captured in a single tow,
                                            patterns, including, but not limited to,                                          Although some historical interactions                        interactions with these species have
                                            migration, breathing, nursing, breeding,                                       resulted in the animal(s) being released                        historically occurred only infrequently,
                                            feeding, or sheltering (Level B                                                alive, no serious injury determinations                         and we believe that the above
                                            harassment). Serious injury means any                                          (NMFS, 2012a; 2012b) were made, and                             assumption appropriately reflects the
                                                                                                                           it is possible that some of these animals                       likely total number of individuals
                                            injury that will likely result in mortality
                                                                                                                           later died. In order to use these                               involved in research gear interactions
                                            (50 CFR 216.3).
                                                                                                                           historical interaction records in a                             over a five-year period. We assume that
                                              Take of marine mammals incidental                                            precautionary manner as the basis for                           two total harbor seals could be captured
                                            to NWFSC research activities could                                             the take estimation process, and because                        per year in recognition of the
                                            occur as a result of (1) injury or                                             we have no specific information to                              demonstrated vulnerability to capture in
                                            mortality due to gear interaction (Level                                       indicate whether any given future                               the PSRA (all other species have been
                                            A harassment, serious injury, or                                               interaction might result in M/SI versus                         captured only in the CCRA). These
                                            mortality); (2) behavioral disturbance                                         Level A harassment, we conservatively                           estimates are based on the assumption
                                            resulting from the use of active acoustic                                      assume that all interactions equate to                          that annual effort (e.g., total annual
                                            sources (Level B harassment only); or (3)                                      mortality. Over the past seventeen years,                       trawl tow time) over the five-year
                                            behavioral disturbance of pinnipeds                                            NWFSC has had only infrequent                                   authorization period will not exceed the
                                            resulting from incidental approach of                                          interactions with marine mammals,                               annual effort during prior years for
                                            researchers (Level B harassment only).                                         with 0.1–0.5 animals captured per year                          which we have interaction records.
                                                            TABLE 2—PROJECTED FIVE-YEAR TOTAL TAKE IN TRAWL GEAR FOR HISTORICALLY CAPTURED SPECIES
                                                                                                                                            CCRA average annual take        PSRA average annual take
                                                 Gear                                         Species                                                                                                                          Projected 5-year total 1
                                                                                                                                                    (total)                         (total)

                                            Trawl ...........   Pacific white-sided dolphin .....................................                                6 (30)   ..................................................                              30
                                                                California sea lion ...................................................                           1 (5)   ..................................................                               5
                                                                Harbor seal .............................................................                         1 (5)                                             1 (5)                                 10
                                                                Northern fur seal ....................................................                            1 (5)   ..................................................                               5
                                                                Steller sea lion ........................................................                         1 (5)   ..................................................                               5
                                              1 Because     there are no historical take records from the LCRRA, we incorporate all projected LCRRA takes in Table 3 below.
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                                               In order to estimate the total potential                                    regulations (i.e., takes additional to                          that may have similar vulnerability to
                                            number of incidents of M/SI that could                                         those described in Table 4 of our notice                        capture in trawl gear as the five species
                                            occur incidental to the NWFSC’s use of                                         of proposed rulemaking (81 FR 38516;                            described above that have been taken
                                            trawl, hook and line, and seine gear over                                      June 13, 2016)), we first considered                            historically and then evaluate the
                                            the five-year period of validity for these                                     whether there are additional species



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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                         36383

                                            potential vulnerability of these and                     displayed by the Pacific white-sided                     Trawl: From the LOF and SWFSC
                                            other species to additional gears.                       dolphin. For these species, we assume                 historical gear interactions, we infer
                                               In order to evaluate the potential                    it is possible that a worst-case scenario             vulnerability to trawl gear in the CCRA
                                            vulnerability of additional species to                   of take could occur while at the same                 for the Risso’s dolphin, short- and long-
                                            trawl and of all species to hook and line                time contending that, absent significant              beaked common dolphins, northern
                                            and seine gear, we first consulted                       range shifts or changes in habitat usage,             right whale dolphin, Dall’s porpoise,
                                            NMFS’s List of Fisheries (LOF), which                    capture of a species not historically                 harbor porpoise, and bottlenose dolphin
                                            classifies U.S. commercial fisheries into                captured would likely be a very rare                  (offshore stock only; NWFSC research
                                            one of three categories according to the                 event. The former assumption also                     has very little overlap with the
                                            level of incidental marine mammal                        accounts for the likelihood that, for                 distribution of the coastal stock of
                                            M/SI that is known to occur on an                        species that often travel in groups, an               bottlenose dolphin). We consider some
                                            annual basis over the most recent five-                  incident involving capture of that                    of these species to have a similar
                                            year period (generally) for which data                   species is likely to involve more than                propensity for interaction with trawl
                                            has been analyzed. We provided this                      one individual.                                       gear as that demonstrated by the Pacific
                                            information, as presented in the 2015                       For example, we believe that the                   white-sided dolphin (Risso’s dolphin,
                                            LOF (79 FR 77919; December 29, 2014),                    Risso’s dolphin is potentially vulnerable             northern right whale dolphin) and the
                                            in Table 6 of our notice of proposed                     to capture in trawl gear and may have                 rest to have lower risk of interaction.
                                            rulemaking (81 FR 38516; June 13, 2016)                  similar propensity to capture in that                    Due to their likely presence in the
                                            and do not reproduce it here.                            gear as does the Pacific white-sided                  relevant areas and inference based on
                                               Information related to incidental M/SI                dolphin. Because the greatest number of               historical interactions and the LOF, we
                                            in relevant commercial fisheries is not,                 Pacific white-sided dolphins captured                 assume additional vulnerability and
                                            however, the sole determinant of                         in any one trawl tow was six                          therefore potential take for some of
                                            whether it may be appropriate to                                                                               these species in trawl gear used in the
                                                                                                     individuals, we assume that six Risso’s
                                            authorize M/SI incidental to NWFSC                                                                             PSRA and LCRRA. In the PSRA, these
                                                                                                     dolphins could also be captured in a
                                            survey operations. A number of factors                                                                         include the harbor porpoise, Dall’s
                                                                                                     single incident. However, in recognition
                                            (e.g., species-specific knowledge                                                                              porpoise, California sea lion, and Steller
                                                                                                     of the fact that any incident involving
                                            regarding animal behavior, overall                                                                             sea lion. In the LCRRA these include the
                                                                                                     the capture of Risso’s dolphins would
                                            abundance in the geographic region,                                                                            harbor porpoise, harbor seal, California
                                                                                                     likely be a rare event, we propose a total
                                            density relative to NWFSC survey effort,                                                                       sea lion, and Steller sea lion.
                                                                                                     take authorization over the five-year
                                            feeding ecology, propensity to travel in                                                                          For the striped dolphin, we believe
                                                                                                     period of the number that may result
                                            groups commonly associated with other                                                                          that there is a reasonable likelihood of
                                                                                                     from a single, worst-case incident (six               incidental take in trawl gear although
                                            species historically taken) were taken
                                            into account by the NWFSC to                             dolphins). While we do not necessarily                there are no records of incidental M/SI
                                            determine whether a species may have                     believe that six Risso’s dolphins would               in relevant commercial fisheries. The
                                            a similar vulnerability to certain types                 be captured in a single incident—and                  proposed take authorization for this
                                            of gear as historically taken species. In                that more capture incidents involving                 species was determined to be
                                            some cases, we have determined that                      fewer individuals could occur, as                     appropriate based on analogy to other
                                            species without documented M/SI may                      opposed to a single, worst-case                       similar species that have been taken
                                            nevertheless be vulnerable to capture in                 incident—we believe that this is a                    either in NWFSC operations or in
                                            NWFSC research gear. Similarly, we                       reasonable approach to estimating                     analogous commercial fishery
                                            have determined that some species                        potential incidents of M/SI while                     operations. We believe that the striped
                                            groups with documented M/SI are not                      balancing what could happen in a                      dolphin has a similar propensity for
                                            likely to be vulnerable to capture in                    worst-case scenario with the potential                interaction with trawl gear as that
                                            NWFSC gear. In these instances, we                       likelihood that no incidents of capture               demonstrated by the Pacific white-sided
                                            provide further explanation below.                       would actually occur. The SWFSC                       dolphin.
                                            Those species with no records of                         historical capture of northern right                     It is also possible that a captured
                                            historical interaction with NWFSC                        whale dolphins in 2008 provides an                    animal may not be able to be identified
                                            research gear and no documented M/SI                     instructive example of a situation where              to species with certainty. Certain
                                            in relevant commercial fisheries, and for                a worst-case scenario (six dolphins                   pinnipeds and small cetaceans are
                                            which the NWFSC has not requested the                    captured in a single trawl tow) did                   difficult to differentiate at sea,
                                            authorization of incidental take, are not                occur, but overall capture of this species            especially in low-light situations or
                                            considered further in this section. The                  was very rare (no other capture                       when a quick release is necessary. For
                                            NWFSC believes generally that any sex                    incidents before or since).                           example, a captured delphinid that is
                                            or age class of those species for which                     Separately, for those species that we              struggling in the net may escape or be
                                            take authorization is requested could be                 believe may have a vulnerability to                   freed before positive identification is
                                            captured.                                                capture in given gear but that we do not              made. This is only likely to occur in the
                                               In order to estimate a number of                      believe may have a similar propensity to              CCRA due to the greater diversity of
                                            individuals that could potentially be                    capture in that gear as a historically-               pinniped and small cetacean species
                                            captured in NWFSC research gear for                      captured species, we assume that                      likely to be encountered in that area.
                                            those species not historically captured,                 capture would be a rare event such that               Therefore, the NWFSC has requested the
                                            we first determine which species may                     authorization of a single take over the               authorization of incidental M/SI for one
                                            have vulnerability to capture in a given                 five-year period is likely sufficient to              unidentified pinniped and one
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                                            gear. Of those species, we then                          capture the risk of interaction. For                  unidentified small cetacean over the
                                            determine whether any may have                           example, from the LOF we infer                        course of the five-year period of
                                            similar propensity to capture in a given                 vulnerability to capture in trawl gear for            proposed authorization.
                                            gear as a historically captured species.                 the Dall’s porpoise but do not believe                   Hook and line: The process is the
                                            These species are limited to a few                       that this species has a similar                       same as is described above for trawl
                                            delphinid species that we believe may                    propensity for interaction in trawl gear              gear. From the LOF and SWFSC
                                            have similar risk of capture as that                     as the Pacific white-sided dolphin.                   historical interactions, we infer


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                                            36384                         Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            vulnerability to hook and line gear in                                            not included because they are much                                                        corresponding commercial seine
                                            the CCRA for the Risso’s dolphin,                                                 rarer in Oregon and Washington where                                                      fisheries. Therefore, we would not
                                            bottlenose dolphin, striped dolphin,                                              seine surveys are conducted. Seine gear                                                   expect the LOF to adequately reflect the
                                            pygmy and dwarf sperm whale (i.e.,                                                is used infrequently in the PSRA (e.g.,                                                   risk of marine mammal interaction
                                            Kogia spp.), short- and long-beaked                                               twelve purse seine sets per year) and the                                                 posed by NWFSC survey activities.
                                            common dolphins, short-finned pilot                                               move-on rule applied if any small                                                         Species for which we authorize take in
                                            whale, and California and Steller sea                                             cetacean is seen within 500 m of the                                                      seine gear in the CCRA and/or LCRRA
                                            lions.                                                                            planned set. We do not believe that any                                                   with no LOF interaction records include
                                               Due to their likely presence in the                                            take in seine gear is likely in the PSRA.                                                 the Dall’s porpoise, Pacific white-sided
                                            relevant areas and inference based on                                                We also believe that there is a                                                        dolphin, Risso’s dolphin, northern right
                                            historical interactions and the LOF, we                                           reasonable potential of seine gear                                                        whale dolphin, Steller sea lion, and
                                            assume additional vulnerability and                                               interaction for a number of species in                                                    harbor porpoise. For the harbor
                                            therefore potential take for some of                                              the CCRA and/or LCRRA for which                                                           porpoise, we expect that there is greater
                                            these species in hook and line gear used                                          there are no LOF records of interaction                                                   vulnerability to take in these gears (i.e.,
                                            in the PSRA (hook and line gear is not                                            in commercial fisheries gears. These                                                      we expect it could be taken in both the
                                            used in the LCRRA). These include the                                             authorizations reflect the NWFSC’s                                                        CCRA and LCRRA) and have increased
                                            California sea lion and harbor seal.                                              expert judgment regarding the                                                             the take authorization relative to the
                                               Seine: The process is the same as is                                           distribution of these species in relation                                                 other species accordingly. NWFSC
                                            described above for trawl gear. From the                                          to NWFSC use of seine gear offshore                                                       considers the delphinid species to be at
                                            LOF, we infer vulnerability to seine and                                          Oregon and Washington. For example,                                                       risk because of their occurrence in
                                            tangle net gear in the CCRA and/or                                                several of these species have the                                                         coastal waters offshore Oregon and
                                            LCRRA for the short-beaked common                                                 potential to interact with NWFSC purse                                                    Washington, and because they often
                                            dolphin, harbor seal, and California sea                                          seine surveys in the Columbia River                                                       occur in mixed schools and could be
                                            lion. Long-beaked common dolphin is                                               plume, where there are no                                                                 caught together in purse seines.
                                                                                         TABLE 3—TOTAL ESTIMATED M/SI DUE TO GEAR INTERACTION, 2018–23
                                                                                                                                                               Estimated 5-year total, hook                                                                                          Total,
                                                              Species                              Estimated 5-year total, trawl 1                                                                                       Estimated 5-year total, seine 1
                                                                                                                                                                        and line 1                                                                                                 all gears

                                            Kogia spp. 2 .....................................    ........................................................   1 .....................................................    ........................................................                1
                                            Bottlenose dolphin 3 .........................        1 .....................................................    1 .....................................................    ........................................................                2
                                            Striped dolphin .................................     6 .....................................................    1 .....................................................    ........................................................                7
                                            Short-beaked common dolphin .......                   1 .....................................................    1 .....................................................    1 .....................................................                 3
                                            Long-beaked common dolphin ........                   1 .....................................................    1 .....................................................    ........................................................                2
                                            Pacific white-sided dolphin ..............            30 ...................................................     ........................................................   1 .....................................................                31
                                            Northern right whale dolphin ...........              6 .....................................................    ........................................................   1 .....................................................                 7
                                            Risso’s dolphin ................................      6 .....................................................    1 .....................................................    1 .....................................................                 8
                                            Short-finned pilot whale ...................          ........................................................   1 .....................................................    ........................................................                1
                                            Harbor porpoise 4 .............................       3 (CCRA/PSRA/LCRRA) ...............                        ........................................................   2 (CCRA/LCRRA) ..........................                               5
                                            Dall’s porpoise .................................     2 (CCRA/PSRA) ............................                 ........................................................   1 .....................................................                 3
                                            Northern fur seal 5 ...........................       5 .....................................................    ........................................................   ........................................................                5
                                            California sea lion ............................      7 (5 CCRA/PSRA/LCRRA) ............                         2 (CCRA/PSRA) ............................                 1 (LCRRA) .....................................                        10
                                            Steller sea lion .................................    7 (5 CCRA/PSRA/LCRRA) ............                         1 .....................................................    1 (LCRRA) .....................................                         9
                                            Harbor seal 4 ....................................    11 (5 CCRA/5 PSRA/LCRRA ........                           1 (PSRA) ........................................          1 (LCRRA) .....................................                        13
                                            Unidentified pinniped .......................         1 .....................................................    ........................................................   ........................................................                1
                                            Unidentified small cetacean ............              1 .....................................................    ........................................................   ........................................................                1
                                               1 Please see our notice of proposed rulemaking (81 FR 38516; June 13, 2016) for full detail related to derivation of these take estimates. Takes
                                            proposed for authorization are not specific to any area, but our estimates are informed by area-specific vulnerability. All takes are expected to
                                            occur in the CCRA, except where the gear-specific breakdown of expected takes per area is provided. Note that hook and line surveys are not pro-
                                            posed for LCRRA and only limited seine surveys are proposed for PSRA.
                                               2 We expect that only one Kogia spp. may be taken over the five-year timespan and that it could be either a pygmy or dwarf sperm whale.
                                               3 Incidental take is expected only from the offshore stock.
                                               4 Incidental take for these species may be of animals from any stock in California, Oregon, or Washington, but expected vulnerability may be as-
                                            signed to CCE or Washington inland waters stocks according to the expected take proportions shown.
                                               5 Incidental take may be of animals from either the eastern Pacific or California stock.




                                            Estimated Take Due to Acoustic                                                    framework considering characteristics of                                                  overestimate of the potential for
                                            Harassment                                                                        the active acoustic systems described in                                                  behavioral harassment to occur as a
                                                                                                                              our notice of proposed rulemaking (81                                                     result of the operation of these systems.
                                              As described in our notice of                                                   FR 38516; June 13, 2016) under                                                               In 2016, NMFS released updated
                                            proposed rulemaking (81 FR 38516;                                                 Description of Active Acoustic Sound                                                      ‘‘Technical Guidance for Assessing the
                                            June 13, 2016; ‘‘Potential Effects of the                                         Sources, their expected patterns of use,                                                  Effects of Anthropogenic Sound on
                                            Specified Activity on Marine                                                      and characteristics of the marine                                                         Marine Mammal Hearing’’ with revised
                                            Mammals’’), we believe that NWFSC use                                             mammal species that may interact with                                                     metrics and thresholds to assess the
                                            of active acoustic sources has, at most,                                          them. We believe that this quantitative                                                   potential for injury (e.g., permanent
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                                            the potential to cause Level B                                                    assessment benefits from its simplicity                                                   threshold shift) from acoustic sources.
                                            harassment of marine mammals. In                                                  and consistency with current NMFS                                                         While the NWFSC’s EA and our
                                            order to attempt to quantify the                                                  acoustic guidance regarding Level B                                                       proposed rule refer to NMFS’s historic
                                            potential for Level B harassment to                                               harassment but caution that, based on a                                                   guidelines, as the documents were
                                            occur, NMFS (including the NWFSC                                                  number of deliberately precautionary                                                      completed prior to the recent release of
                                            and acoustics experts from other parts of                                         assumptions, the resulting take                                                           the technical guidance, the conclusions
                                            NMFS) developed an analytical                                                     estimates may be seen as an                                                               regarding the potential for injury remain


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                                                                            Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                                                               36385

                                            the same. Most importantly, the                                                   any exposures to these signals to result                           moving vessels and their relationship to
                                            technical guidance now explicitly takes                                           in behavioral harassment. Baleen                                   the average density of marine mammals
                                            into account the duration of the sound                                            whales are not considered further in this                          enables a quantitative estimate of the
                                            through the use of the sound exposure                                             section.                                                           number of individuals for which sound
                                            level (SEL) metric, as opposed to the                                                The assessment paradigm for active                              levels exceed the relevant threshold for
                                            previous use of rms sound pressure                                                acoustic sources used in NWFSC                                     each area. The number of potential
                                            level (SPL). The effect of this different                                         fisheries research is relatively                                   incidents of Level B harassment is
                                            metric, in particular for the very short                                          straightforward and has a number of key                            ultimately estimated as the product of
                                            duration sounds used for these                                                    simplifying assumptions. NMFS’s                                    the volume of water ensonified at 160
                                            echosounders, is to largely reduce the                                            current acoustic guidance requires in                              dB rms or higher and the volumetric
                                            exposure level of sound an animal is                                              most cases that we assume Level B                                  density of animals determined from
                                            exposed to for short duration sounds                                              harassment occurs when a marine                                    simple assumptions about their vertical
                                            (e.g., for a 1 millisecond ping, an SPL                                           mammal receives an acoustic signal at                              stratification in the water column.
                                            source level is reduced by 30 dB in the                                           or above a simple step-function                                    Specifically, reasonable assumptions
                                            SEL metric) offsetting changes in the                                             threshold. For use of these active                                 based on what is known about diving
                                            thresholds themselves. While energy is                                            acoustic systems, the appropriate                                  behavior across different marine
                                            accumulated over time using SEL, the                                              threshold is 160 dB re 1 mPa (rms).                                mammal species were made to segregate
                                            previous conclusion that an individual                                            Estimating the number of exposures at                              those that predominately remain in the
                                            would have to remain exceptionally                                                the specified received level requires                              upper 200 m of the water column versus
                                            close to a sound source for unrealistic                                           several determinations, each of which is                           those that regularly dive deeper during
                                            lengths of time holds, suggesting the                                             described sequentially below:                                      foraging and transit. We described the
                                            likelihood of injury occurring is                                                    (1) A detailed characterization of the                          approach used (including methods for
                                            exceedingly small and is therefore not                                            acoustic characteristics of the effective                          estimating each of the calculations
                                            considered further in this analysis.                                              sound source or sources in operation;                              described above) and the assumptions
                                               The operating frequencies of active                                               (2) The operational areas exposed to                            made that result in conservative
                                            acoustic systems used by NWFSC                                                    levels at or above those associated with                           estimates in significant detail in our
                                            sources only go down to 27–33 kHz for                                             Level B harassment when these sources                              notice of proposed rulemaking (81 FR
                                            the trawl monitoring system, which is                                             are in operation;                                                  38516; June 13, 2016). There have been
                                            not one of the predominant sources, and                                              (3) A method for quantifying the                                no changes made to the approach, the
                                            to 38 kHz for the EK60 echosounder (see                                           resulting sound fields around these                                informational inputs, or the results.
                                            Tables 2 and 8 from our notice of                                                 sources; and                                                       Therefore, we do not repeat the
                                            proposed rulemaking (81 FR 38516;                                                    (4) An estimate of the average density                          discussion here and refer the reader to
                                            June 13, 2016)). These frequencies are                                            for marine mammal species in each area                             the proposed rule. Summaries of the
                                            above the hearing range of baleen                                                 of operation.                                                      results are provided in Table 4 below.
                                            whales (i.e., mysticetes); therefore,                                                Quantifying the spatial and temporal                            Note that NWFSC only uses active
                                            baleen whales would not be expected to                                            dimension of the sound exposure                                    acoustic systems for data acquisition
                                            perceive signals from NWFSC active                                                footprint (or ‘‘swath width’’) of the                              purposes in the CCRA, not in the
                                            acoustic sources. We would not expect                                             active acoustic devices in operation on                            LCRRA or PSRA.
                                                 TABLE 4—DENSITIES AND ESTIMATED SOURCE-, STRATUM-, AND SPECIES-SPECIFIC ANNUAL ESTIMATES OF LEVEL B
                                                                                            HARASSMENT
                                                                                                                                                                                                  Estimated Level B         Estimated Level
                                                                                                                                                                                  Volumetric
                                                                                                                                                            Area density                             harassment,             B harassment,
                                                                                                                                                                                    density
                                                                          Species                                       Shallow            Deep              (animals/                                 0–200 m                  >200 m         Total
                                                                                                                                                                                   (animals/
                                                                                                                                                               km2) 1                km3) 2     EK60     ME70     SX90      EK60     SX90

                                            Sperm whale .........................................................       ..............         X                       0.002            0.003       1        0          1       3         1         6
                                            Kogia spp ..............................................................    ..............         X                       0.001            0.002       0        0          1       2         0         3
                                            Cuvier’s beaked whale ..........................................            ..............         X                       0.004            0.008       2        1          2       7         2        14
                                            Baird’s beaked whale ............................................           ..............         X                       0.001            0.002       0        0          1       2         0         3
                                            Mesoplodont beaked whales ................................                  ..............         X                       0.001            0.002       0        0          1       2         0         3
                                            Bottlenose dolphin .................................................              X          ..............                0.002            0.009       2        1          3       0         0         6
                                            Striped dolphin ......................................................            X          ..............                0.017            0.083      18        6         25       0         0        49
                                            Long-beaked common dolphin ..............................                         X          ..............                0.019            0.096      20        7         28       0         0        55
                                            Short-beaked common dolphin .............................                         X          ..............                0.309            1.547     325      115        455       0         0       895
                                            Pacific white-sided dolphin ....................................                  X          ..............                0.021            0.105      22        8         31       0         0        61
                                            Northern right whale dolphin .................................                    X          ..............                0.010            0.049      10        4         14       0         0        28
                                            Risso’s dolphin ......................................................            X          ..............                0.010            0.052      11        4         15       0         0        30
                                            Killer whale ............................................................         X          ..............                0.001            0.004       1        0          1       0         0         2
                                            Short-finned pilot whale ........................................           ..............         X                     0.0003             0.001       0        0          0       1         0         1
                                            Harbor porpoise ....................................................              X          ..............              4 0.038            0.189      40       14         56       0         0       110
                                            Dall’s porpoise .......................................................           X          ..............                0.076            0.378      79       28        111       0         0       218
                                            Guadalupe fur seal ................................................               X          ..............              3 0.007            0.037       8        3         11       0         0        22
                                            Northern fur seal ...................................................             X          ..............              3 0.649            3.245     682      241        955       0         0     1,878
                                            California sea lion .................................................             X          ..............              3 0.297            1.484     312      110        437       0         0       859
                                            Steller sea lion ......................................................           X          ..............              3 0.060            0.301      63       22         89       0         0       174
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                                            Harbor seal ............................................................          X          ..............              3 0.056            0.279      59       21         82       0         0       162
                                            Northern elephant seal ..........................................           ..............         X                     3 0.179            0.358      75       27        105     336        79       622
                                               1 All
                                                   density estimates from Barlow and Forney (2007) unless otherwise indicated.
                                               2 Volumetricdensity estimates derived by dividing area density estimates by 0.2 km (for shallow species) or 0.5 km (for deep species), corresponding with defined
                                            depth strata.
                                              3 Density estimates derived by NWFSC from SAR abundance estimates and notional study area of 1,000,000 km2.
                                              4 ManTech-SRS Technologies (2007) estimated a harbor porpoise density for coastal and inland waters of Washington, which is used as the best available proxy
                                            here. There are no known density estimates for harbor porpoises in NWFSC survey areas in the CCRA.



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                                            36386                           Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            Estimated Take Due to Physical                                                  It is likely that some pinnipeds will                                       responses may be considered according
                                            Disturbance                                                                     move or flush from known haulouts into                                      to the scale shown in Table 5 and based
                                              Estimated take due to physical                                                the water in response to the presence or                                    on the method developed by Mortenson
                                            disturbance could potentially happen in                                         sound of NWFSC vessels or researchers,                                      (1996). We consider responses
                                            the PSRA and LCRRA, and would result                                            as a result of unintentional approach                                       corresponding to Levels 2–3 to
                                            in no greater than Level B harassment.                                          during survey activity. Behavioral                                          constitute Level B harassment.
                                                                                                                        TABLE 5—SEAL RESPONSE TO DISTURBANCE
                                                   Level                   Type of response                                                                                               Definition

                                            1 ......................   Alert ............................   Seal head orientation or brief movement in response to disturbance, which may include turning head towards the disturb-
                                                                                                               ance, craning head and neck while holding the body rigid in a u-shaped position, changing from a lying to a sitting posi-
                                                                                                               tion, or brief movement of less than twice the animal’s body length.
                                            2 ......................   Movement ...................         Movements away from the source of disturbance, ranging from short withdrawals at least twice the animal’s body length to
                                                                                                               longer retreats over the beach.
                                            3 ......................   Flight ...........................   All retreats (flushes) to the water.



                                               The NWFSC has estimated potential                                            researchers. The number of haulouts                                         actually be disturbed, and some
                                            incidents of Level B harassment due to                                          disturbed and number of animals                                             haulouts may experience some
                                            physical disturbance (Table 6) by                                               assumed to be on those haulouts was                                         disturbance at distances greater than
                                            considering the number of seals                                                 determined by NWFSC on the basis of                                         expected, we believe that this approach
                                            believed to potentially be present at                                           anecdotal evidence from researchers.                                        is a reasonable effort towards
                                            affected haul-outs and the number of                                            Although not all individuals on                                             accounting for this potential source of
                                            visits expected to be made by NWFSC                                             ‘‘disturbed’’ haulouts would necessarily                                    disturbance.
                                             TABLE 6—ESTIMATED ANNUAL LEVEL B HARASSMENT OF PINNIPEDS ASSOCIATED WITH DISTURBANCE BY RESEARCHERS
                                                                                                                                                                                                   Estimated total                         Estimated annual
                                                                                                                                                                                                 number of animals      Number of visits
                                                                           Species                                                                   Location                                                                               Level B harass-
                                                                                                                                                                                                 on potentially dis-       per year              ment
                                                                                                                                                                                                  turbed haul-outs

                                            Harbor seal .............................................................   Puget Sound ..........................................................                1,440                    8             11,520
                                                                                                                        Columbia River ......................................................                 3,000                   25             75,000
                                            California sea lion ...................................................     Puget Sound ..........................................................                  350                    8              2,800



                                            Summary of Estimated Incidental Take                                            combined over the five-year period of                                       maximum annual take column reflects
                                               Here we provide a summary of the                                             validity for these regulations. For the                                     the annualized stock-specific risk, i.e.,
                                            total incidental take authorization on an                                       purposes of the negligible impact                                           any stock in the CA-southern OR
                                            annual basis, as well other information                                         analysis, we assume that all of these                                       grouping is expected to be vulnerable to
                                            relevant to the negligible impact                                               takes could potentially be in the form of                                   a maximum of two takes over the 5-year
                                            analysis. Table 7 shows information                                             M/SI; PBR is not intended for                                               period (0.4/year) while the northern OR/
                                            relevant to our negligible impact                                               assessment of the significance of                                           WA coast stock could be vulnerable to
                                            analysis concerning the total annual                                            harassment. These takes could occur to                                      as many as four takes over the five years
                                            taking that could occur for each stock                                          any stock; however, our take                                                (0.8/year). This stock-specific
                                            from NMFS’s scientific research                                                 authorization is informed by reasonable                                     accounting does not change our
                                            activities when considering incidental                                          expectation regarding species                                               expectation that a total of five takes
                                            take previously authorized for SWFSC                                            vulnerability to gear used in the three                                     would occur for all stocks combined but
                                            (80 FR 58982; September 30, 2015) and                                           research areas. Of the five total takes, we                                 informs our stock-specific negligible
                                            take authorized for NWFSC. As                                                   expect that two might occur in the                                          impact analysis.
                                            footnoted in Table 7, the indicated level                                       CCRA, one in the PSRA, and two in the                                          Similarly, the harbor seal has separate
                                            of take could occur to any species or                                           LCRRA. Therefore, corresponding with                                        designated stocks that may occur in all
                                            stock for those species with multiple                                           the relationship between stock ranges                                       three research areas. We will authorize
                                            stocks (e.g., northern fur seal) or                                             and the location of NWFSC research                                          a total of thirteen takes by M/SI for all
                                            considered as a group (e.g.,                                                    activities, the likely maximum takes that                                   harbor seal stocks combined, and expect
                                            Mesoplodont beaked whales). However,                                            could accrue to any harbor porpoise                                         that five of these may occur in the
                                            the harbor porpoise and harbor seal                                             stock from California to southern                                           CCRA, six in the PSRA, and two in the
                                            each have multiple stocks spanning the                                          Oregon would be two, while the                                              LCRRA. Therefore, while we would
                                            three NWFSC research areas, and we                                              northern Oregon/Washington coast                                            expect that a maximum of five takes
                                            provide further detail regarding our                                            stock could potentially accrue four takes                                   could accrue to the California stock, as
                                            consideration of potential take specific                                        because it is vulnerable to the takes                                       many as seven takes could occur for the
                                            to stocks that may occur in the PSRA                                            expected in either the CCRA or LCRRA.                                       Oregon/Washington coastal stock
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                                            and LCRRA. Many stocks do not occur                                             In Table 7 below, the total take                                            (which is the only stock that may occur
                                            in those research areas and, therefore,                                         authorization column reflects the total                                     in the LCRRA). Although NMFS has
                                            would not be vulnerable to interaction                                          of four takes that could occur in either                                    split the former Washington inland
                                            with research gear deployed in those                                            the CCRA or LCRRA (and the one take                                         waters stock of harbor seals into three
                                            areas.                                                                          expected in the PSRA, which would                                           separate stocks, we do not have
                                               For harbor porpoise, we authorize a                                          occur to the Washington inland waters                                       sufficient information to assess stock-
                                            total of five takes by M/SI for all stocks                                      stock). However, the estimated                                              specific risk in the PSRA. Separately,


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                                                                      Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                                                                        36387

                                            we have estimated that 162 incidents of                              anticipated to be disturbed rather than                                            estimates of realized or actual annual
                                            acoustic harassment may occur for                                    the number of incidents of disturbance.                                            mortality reported in the SARs and does
                                            harbor seals due to NWFSC use of active                                 We previously authorized take of                                                not include authorized or unknown
                                            acoustic systems (in the CCRA only) and                              marine mammals incidental to fisheries                                             mortality. Below, we consider the total
                                            that, due to the physical presence of                                research operations conducted by the                                               taking by M/SI authorized for NWFSC
                                            researchers, individual harbor seals on                              SWFSC (see 80 FR 58982 and 80 FR                                                   and previously authorized for SWFSC
                                            haulouts (as many as 3,000) may be                                   68512). This take would occur to some                                              together to produce a maximum annual
                                            disturbed up to 25 times per year in the                             of the same stocks for which we will                                               M/SI take level (including take of
                                                                                                                 authorize take incidental to NWFSC
                                            LCRRA. Therefore, as shown in Table 7,                                                                                                                  unidentified marine mammals that
                                                                                                                 fisheries research operations. Therefore,
                                            the California stock of harbor seals is                                                                                                                 could accrue to any relevant stock) and
                                                                                                                 in order to evaluate the likely impact of
                                            vulnerable to only the estimated 162                                 the take by M/SI to be authorized                                                  compare that value to the stock’s PBR
                                            acoustic harassment takes, but the OR/                               pursuant to this rule, we consider not                                             value, considering ongoing sources of
                                            WA coast stock would be vulnerable to                                only other ongoing sources of human-                                               anthropogenic mortality (as described in
                                            both the acoustic harassment takes as                                caused mortality but the potential                                                 footnote 4 of Table 7 and in the
                                            well as the physical disturbance takes.                              mortality authorized for SWFSC. As                                                 following discussion). PBR and annual
                                            However, note that the percent of                                    used in this document, other ongoing                                               M/SI values considered in Table 7
                                            estimated population is calculated                                   sources of human-caused                                                            reflect the most recent information
                                            considering the number of individuals                                (anthropogenic) mortality refers to                                                available.

                                                              TABLE 7—SUMMARY INFORMATION RELATED TO NWFSC ANNUAL TAKE AUTHORIZATION, 2018–23
                                                                                       Total annual                Percent of                 Proposed total              SWFSC total                  Estimated          PBR minus
                                                                                         Level B                    estimated                     M/SI 3                      M/SI                                                                Stock
                                                         Species 1                                                                                                                                     maximum            annual M/SI            trend 6
                                                                                       harassment                  population                 authorization,              authorization,              annual M/SI 4          (%) 5
                                                                                      authorization 2              abundance                     2018–23                    2015–20

                                            Sperm whale ........................                           6                       0.3                             0                          0                     0   n/a ..................     ?
                                            Kogia spp .............................                        3                       0.1                             1                          1                   0.4   19.2 (2.1) .......         ?
                                            Cuvier’s beaked whale ........                                14                       0.4                             0                          0                     0   n/a ..................     ↓
                                            Baird’s beaked whale ..........                                3                       0.1                             0                          0                     0   n/a ..................     ?
                                            Mesoplodont beaked whales                                      3                       0.1                             0                          0                     0   n/a ..................     ↓
                                            Bottlenose dolphin (offshore                                   6                       0.3                             2                          9                   2.6   9.4 (27.7) .......         ?
                                               stock).
                                            Striped dolphin .....................                        49                        0.2                             7                        12                    4.2   237.2 (1.8) .....          ?
                                            Long-beaked common dol-                                      55                        0.1                             2                        12                    3.2   621.6 (0.5) .....          ↑
                                               phin.
                                            Short-beaked common dol-                                    895                         0.1                             3                       12                    3.4   8,353 (<0.1) ...           ?
                                               phin.
                                            Pacific white-sided dolphin ..                              61                         0.2                            31                        35                 13.6     189.1 (7.2) .....          ?
                                            Northern right whale dolphin                                28                         0.1                             7                        10                  3.8     175.2 (2.2) .....          ?
                                            Risso’s dolphin .....................                       30                         0.5                             8                        12                  4.4     42.3 (10.4) .....          ?
                                            Killer whale 7 ........................                      2                         0.8                             0                         0                    0     n/a ..................     ?
                                            Short-finned pilot whale .......                             1                         0.1                             1                         1                  0.4     3.3 (12.1) .......         ?
                                            Harbor porpoise (CA-south-                                 110                         3.8                             4                         5                  1.8     20.4 (8.8) .......         ?
                                               ern OR stocks) 7.
                                            Harbor porpoise (Northern                 ........................   ........................     ........................   ........................                 2.2   148 (1.5) ........         ?
                                               OR/WA coast).
                                            Harbor porpoise (WA inland                                      0                       n/a                            1                           0                  0.2   58.8 (0.3) .......         ?
                                               waters).
                                            Dall’s porpoise .....................                       218                       0.9                              3                           5                    2   171.7 (1.2) .....          ?
                                            Guadalupe fur seal ..............                             22                      0.1                              0                           0                    0   n/a ..................     ↑
                                            Northern fur seal 6 ................                   8 1,878                        0.3                              5                           5                  2.4   449.4 (0.5) .....          ↑
                                            California sea lion ................                     3,659                        0.4                             10                         25                   7.6   8,815 (0.1) .....          ↑
                                            Steller sea lion .....................                      174                       0.4                              9                         10                   4.4   2,390.6 (0.2) ..           ↑
                                            Harbor seal (CA) ..................                    75,162                         0.6                              5                           9                  3.2   1,598.2 (0.2) ..           →
                                            Harbor seal (OR/WA coast)                 ........................                   12.8                              2     ........................                 1.8   Unknown ........           →
                                            Harbor seal (WA inland                                 11,520                        10.5                              6                           0                  1.2   Unknown ........           →
                                               waters).
                                            Northern elephant seal ........                             622                         0.3                            5                          5                   2.2   4,873.2 (0.1) ..           ↑
                                            Unidentified small cetacean                                 n/a                         n/a                            1                          1                   n/a   n/a ..................    n/a
                                            Unidentified pinniped ...........                           n/a                         n/a                            1                          2                   n/a   n/a ..................    n/a
                                               Please see our notice of proposed rulemaking (81 FR 38516; June 13, 2016) for full details.
                                               1 Forspecies with multiple stocks or for species groups (Kogia spp. and Mesoplodont beaked whales), indicated level of take could occur to in-
                                            dividuals from any stock or species except as indicated in table.
                                              2 Level B harassment totals include estimated take due to acoustic harassment and, for harbor seals and California sea lions, estimated take
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                                            due to physical disturbance. Active acoustic devices are not used for data acquisition in the PSRA; therefore, no takes by acoustic harassment
                                            are expected for stocks that occur entirely or largely in inland waters (e.g., resident killer whales). Takes by physical disturbance for pinniped
                                            species represent repeated takes of smaller numbers of individuals (e.g., we expect as many as 1,440 harbor seals in the PSRA to be harassed
                                            on as many as eight occasions). The ‘‘percent of estimated population’’ column represents this smaller number of individuals taken rather than
                                            the total number of take incidents.
                                              3 As explained earlier in this document, gear interaction could result in mortality, serious injury, or Level A harassment. Because we do not
                                            have sufficient information to enable us to parse out these outcomes, we present such take as a pool. For purposes of this negligible impact
                                            analysis we assume the worst case scenario (that all such takes result in mortality).



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                                            36388                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                               4 This column represents the total number of incidents of M/SI that could potentially accrue to the specified species or stock as a result of
                                            NMFS’ fisheries research activities and is the number carried forward for evaluation in the negligible impact analysis (later in this document). To
                                            reach this total, we add one to the total for each pinniped or cetacean that may be captured in trawl gear in the CCRA. This represents the po-
                                            tential that the take of an unidentified pinniped or small cetacean could accrue to any given stock captured in that gear in that area. The take au-
                                            thorization is formulated as a five-year total; the annual average is used only for purposes of negligible impact analysis. We recognize that por-
                                            tions of an animal may not be taken in a given year.
                                               5 This value represents the calculated PBR less the average annual estimate of ongoing anthropogenic mortalities (i.e., total annual human-
                                            caused M/SI, which is presented in the SARs). For the Pacific-white sided dolphin, harbor seal (California stock), northern fur seal (California
                                            stock), Steller sea lion, and California sea lion, we subtract the annual average of mortalities occurring incidental to fisheries research from the
                                            total human-caused M/SI prior to calculating this value, as we explicitly account for predicted future mortalities incidental to fisheries research via
                                            the estimated maximum annual M/SI column. In parentheses, we provide the estimated maximum annual M/SI expressed as a percentage of this
                                            value.
                                               6 See relevant SARs for more information regarding stock status and trends. Interannual increases may not be interpreted as evidence of a
                                            trend. Based on the most recent abundance estimates, harbor seal stocks may have reached carrying capacity and appear stable. A time series
                                            of stock-specific abundance estimates for harbor porpoise shows either increasing or stable estimates, but it is not statistically valid to infer a
                                            trend.
                                               7 These species have multiple stocks that may be affected. Values for ‘‘percent of estimated population’’ and ‘‘PBR—annual M/SI’’ (where rel-
                                            evant) calculated for the stock with the lowest population abundance and/or PBR (as appropriate). This approach assumes that all indicated
                                            takes would accrue to the stock in question, which is a very conservative assumption. Stocks in question are the offshore killer whale, Morro Bay
                                            harbor porpoise, and California northern fur seal.
                                               8 Calculated on the basis of relative abundance; i.e., of 1,878 total estimated incidents of Level B harassment, we would expect on the basis of
                                            relative abundance in the study area that 98 percent would accrue to the Pribilof Islands/Eastern Pacific stock and two percent would accrue to
                                            the California stock.


                                            Negligible Impact Analysis and                           human-caused mortality, and specific                  1362(9)) as the number of animals
                                            Determination                                            consideration of take by M/SI                         which will result in the maximum
                                               We received no public comments or                     previously authorized for other NMFS                  productivity of the population or the
                                            new information indicating any                           research activities).                                 species, keeping in mind the carrying
                                            deficiencies in our preliminary                             We note here that the takes from                   capacity of the habitat and the health of
                                            determinations, as provided in our                       potential gear interactions enumerated                the ecosystem of which they form a
                                            notice of proposed rulemaking (81 FR                     below could result in non-serious                     constituent element. A primary goal of
                                            38516; June 13, 2016).                                   injury, but their worse potential                     the MMPA is to ensure that each species
                                               Introduction—NMFS has defined                         outcome (mortality) is analyzed for the               or stock of marine mammal is
                                            negligible impact as an impact resulting                 purposes of the negligible impact                     maintained at or returned to its OSP.
                                            from the specified activity that cannot                  determination. We discuss here the                       PBR values are calculated by NMFS as
                                            be reasonably expected to, and is not                    connection between the mechanisms for                 the level of annual removal from a stock
                                            reasonably likely to, adversely affect the               authorizing incidental take under                     that will allow that stock to equilibrate
                                            species or stock through effects on                      section 101(a)(5) for activities, such as             within OSP at least 95 percent of the
                                            annual rates of recruitment or survival                  NWFSC’s research activities, and for                  time, and is the product of factors
                                            (50 CFR 216.103). A negligible impact                    authorizing incidental take from                      relating to the minimum population
                                            finding is based on the lack of likely                   commercial fisheries. In 1988, Congress               estimate of the stock (Nmin); the
                                            adverse effects on annual rates of                       amended the MMPA’s provisions for                     productivity rate of the stock at a small
                                            recruitment or survival (i.e., population-               addressing incidental take of marine                  population size; and a recovery factor.
                                            level effects). An estimate of the number                mammals in commercial fishing                         Determination of appropriate values for
                                            of takes alone is not enough information                 operations. Congress directed NMFS to                 these three elements incorporates
                                            on which to base an impact                               develop and recommend a new long-                     significant precaution, such that
                                            determination. In addition to                            term regime to govern such incidental                 application of the parameter to the
                                            considering estimates of the number of                   taking (see MMC, 1994). The need to                   management of marine mammal stocks
                                            marine mammals that might be ‘‘taken’’                   develop a system suited to the unique                 may be reasonably certain to achieve the
                                            by mortality, serious injury, and Level A                circumstances of commercial fishing                   goals of the MMPA. For example,
                                            or Level B harassment, we consider                       operations led NMFS to suggest a new                  calculation of Nmin incorporates the
                                            other factors, such as the likely nature                 conceptual means and associated                       precision and variability associated with
                                            of any behavioral responses (e.g.,                       regulatory framework. That concept,                   abundance information and is intended
                                            intensity, duration), the context of any                 Potential Biological Removal (PBR), and               to provide reasonable assurance that the
                                            such responses (e.g., critical                           a system for developing plans                         stock size is equal to or greater than the
                                            reproductive time or location,                           containing regulatory and voluntary                   estimate (Barlow et al., 1995). In
                                            migration), as well as effects on habitat,               measures to reduce incidental take for                general, the three factors are developed
                                            and the likely effectiveness of                          fisheries that exceed PBR were                        on a stock-specific basis in
                                            mitigation. We also assess the number,                   incorporated as sections 117 and 118 in               consideration of one another in order to
                                            intensity, and context of estimated takes                the 1994 amendments to the MMPA.                      produce conservative PBR values that
                                            by evaluating this information relative                     PBR is defined in the MMPA (16                     appropriately account for both
                                            to population status. Consistent with the                U.S.C. 1362(20)) as the maximum                       imprecision that may be estimated as
                                            1989 preamble for NMFS’s                                 number of animals, not including                      well as potential bias stemming from
                                            implementing regulations (54 FR 40338;                   natural mortalities, that may be removed              lack of knowledge (Wade, 1998).
                                            September 29, 1989), the impacts from                    from a marine mammal stock while                         PBR can be used as a consideration of
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                                            other past and ongoing anthropogenic                     allowing that stock to reach or maintain              the effects of M/SI on a marine mammal
                                            activities are incorporated into this                    its optimum sustainable population, and               stock but was applied specifically to
                                            analysis via their impacts on the                        is a measure to be considered when                    work within the management
                                            environmental baseline (e.g., as                         evaluating the effects of M/SI on a                   framework for commercial fishing
                                            reflected in the regulatory status of the                marine mammal species or stock.                       incidental take. PBR cannot be applied
                                            species, population size and growth rate                 Optimum sustainable population (OSP)                  appropriately outside of the section 118
                                            where known, ongoing sources of                          is defined by the MMPA (16 U.S.C.                     regulatory framework for which it was


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                          36389

                                            designed without consideration of how                    MMPA requires that PBR be estimated                   whether the M/SI will have a negligible
                                            it applies in section 118 and how other                  in stock assessment reports and that it               impact on the stock. As described
                                            statutory management frameworks in                       be used in applications related to the                above, PBR is a conservative metric and
                                            the MMPA differ. PBR was not designed                    management of take incidental to                      is not intended to be used as a solid cap
                                            as an absolute threshold limiting                        commercial fisheries (i.e., the take                  on mortality—accordingly, impacts from
                                            commercial fisheries, but rather as a                    reduction planning process described in               M/SI that exceed residual PBR may still
                                            means to evaluate the relative impacts                   section 118 of the MMPA and the                       potentially be found to be negligible in
                                            of those activities on marine mammal                     determination of whether a stock is                   light of other factors that offset concern,
                                            stocks. Even where commercial fishing                    ‘‘strategic’’ (16 U.S.C. 1362(19))), but              especially when robust mitigation and
                                            is causing M/SI at levels that exceed                    nothing in the MMPA requires the                      adaptive management provisions are
                                            PBR, the fishery is not suspended.                       application of PBR outside the                        included.
                                            When M/SI exceeds PBR, NMFS may                          management of commercial fisheries                       Alternately, for a species or stock with
                                            develop a take reduction plan, usually                   interactions with marine mammals.                     incidental M/SI less than 10 percent of
                                            with the assistance of a take reduction                     Nonetheless, NMFS recognizes that as               residual PBR, we consider M/SI from
                                            team. The take reduction plan will                       a quantitative metric, PBR may be useful              the specified activities to represent an
                                            include measures to reduce and/or                        in certain instances as a consideration               insignificant incremental increase in
                                            minimize the taking of marine mammals                    when evaluating the impacts of other                  ongoing anthropogenic M/SI that alone
                                            by commercial fisheries to a level below                 human-caused activities on marine                     (i.e., in the absence of any other take)
                                            the stock’s PBR. That is, where the total                                                                      cannot affect annual rates of recruitment
                                                                                                     mammal stocks. Outside the commercial
                                            annual human-caused M/SI exceeds                                                                               and survival. In a prior incidental take
                                                                                                     fishing context, and in consideration of
                                            PBR, NMFS is not required to halt                                                                              rulemaking and in the commercial
                                                                                                     all known human-caused mortality, PBR
                                            fishing activities contributing to total                                                                       fishing context, this threshold is
                                                                                                     can help inform the potential effects of
                                            M/SI but rather utilizes the take                                                                              identified as the significance threshold,
                                                                                                     M/SI caused by activities authorized
                                            reduction process to further mitigate the                                                                      but it is more accurately an
                                                                                                     under 101(a)(5)(A) on marine mammal
                                            effects of fishery activities via additional                                                                   insignificance threshold outside
                                                                                                     stocks. As noted by NMFS and the
                                            bycatch reduction measures. PBR is not                                                                         commercial fishing because it represents
                                                                                                     USFWS in our implementation
                                            used to grant or deny authorization of                                                                         the level at which there is no need to
                                                                                                     regulations for the 1986 amendments to
                                            commercial fisheries that may                                                                                  consider other factors in determining
                                                                                                     the MMPA (54 FR 40341, September 29,                  the role of M/SI in affecting rates of
                                            incidentally take marine mammals.
                                               Similarly, to the extent consideration                1989), the Services consider many                     recruitment and survival. Assuming that
                                            of PBR may be relevant to considering                    factors, when available, in making a                  any additional incidental take by
                                            the impacts of incidental take from                      negligible impact determination,                      harassment would not exceed the
                                            activities other than commercial                         including, but not limited to, the status             negligible impact level, the anticipated
                                            fisheries, using it as the sole reason to                of the species or stock relative to OSP               M/SI caused by the activities being
                                            deny incidental take authorization for                   (if known), whether the recruitment rate              evaluated would have a negligible
                                            those activities would be inconsistent                   for the species or stock is increasing,               impact on the species or stock. This 10
                                            with Congress’s intent under section                     decreasing, stable, or unknown, the size              percent was identified as a workload
                                            101(a)(5) and the use of PBR under                       and distribution of the population, and               simplification consideration to avoid
                                            section 118. The standard for                            existing impacts and environmental                    the need to provide unnecessary
                                            authorizing incidental take under                        conditions. To specifically use PBR,                  additional information when the
                                            section 101(a)(5) continues to be, among                 along with other factors, to evaluate the             conclusion is relatively obvious, but as
                                            other things, whether the total taking                   effects of M/SI, we first calculate a                 described above, values above 10
                                            will have a negligible impact on the                     metric for each species or stock that                 percent have no particular significance
                                            species or stock. When Congress                          incorporates information regarding                    associated with them until and unless
                                            amended the MMPA in 1994 to add                          ongoing anthropogenic M/SI into the                   they approach residual PBR.
                                            section 118 for commercial fishing, it                   PBR value (i.e., PBR minus the total                     Our evaluation of the M/SI for each of
                                            did not alter the standards for                          annual anthropogenic mortality/serious                the species and stocks for which
                                            authorizing non-commercial fishing                       injury estimate), which is called                     mortality could occur follows. In
                                            incidental take under section 101(a)(5),                 ‘‘residual PBR’’ (Wood et al., 2012). We              addition, all mortality authorized for
                                            acknowledging that negligible impact                     then consider how the anticipated                     some of the same species or stocks over
                                            under section 101(a)(5) is a separate                    potential incidental M/SI from the                    the next several years pursuant to our
                                            standard from PBR under section 118. In                  activities being evaluated compares to                final rulemaking for the NMFS
                                            fact, in 1994 Congress also amended                      residual PBR. Anticipated or potential                Southwest Fisheries Science Center has
                                            section 101(a)(5)(E) (a separate                         M/SI that exceeds residual PBR is                     been incorporated into the residual PBR.
                                            provision governing commercial fishing                   considered to have a higher likelihood                   We first consider maximum potential
                                            incidental take for species listed under                 of adversely affecting rates of                       incidental M/SI for each stock (Table 7)
                                            the Endangered Species Act) to add                       recruitment or survival, while                        in consideration of NMFS’s threshold
                                            compliance with the new section 118                      anticipated M/SI that is equal to or less             for identifying insignificant M/SI take
                                            but kept the requirement for a negligible                than residual PBR has a lower                         (10 percent of residual PBR (69 FR
                                            impact finding, showing that the                         likelihood (both examples given without               43338; July 20, 2004)). By considering
                                            determination of negligible impact and                   consideration of other types of take,                 the maximum potential incidental M/SI
                                            application of PBR may share certain                     which also factor into a negligible                   in relation to PBR and ongoing sources
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                                            features but are different.                              impact determination). In such cases                  of anthropogenic mortality, we begin
                                               Since the introduction of PBR, NMFS                   where the anticipated M/SI is near, at,               our evaluation of whether the potential
                                            has used the concept almost entirely                     or above residual PBR, consideration of               incremental addition of M/SI through
                                            within the context of implementing                       other factors, including those outlined               NWFSC research activities may affect
                                            sections 117 and 118 and other                           above as well as mitigation and other                 the species’ or stock’s annual rates of
                                            commercial fisheries management-                         factors (positive or negative), is                    recruitment or survival. We also
                                            related provisions of the MMPA. The                      especially important to assessing                     consider the interaction of those


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                                            36390                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            mortalities with incidental taking of that               estimates that guide our proposed take                animals likely affected by this
                                            species or stock by harassment pursuant                  authorization.                                        disturbance, only a small fraction (less
                                            to the specified activity.                                  In addition, otariid pinnipeds are less            than fifteen percent) of the estimated
                                               Analysis—Please see Table 7 for                       likely than other taxa to perceive                    population abundance of the affected
                                            information related to this analysis. The                acoustic signals generated by NWFSC                   stocks would be expected to experience
                                            large majority of stocks that may                        or, given perception, to react to these               the disturbance.
                                            potentially be taken by M/SI (18 of 21)                  signals than the quantitative estimates                  As noted above, authorized M/SI
                                            fall below the insignificance threshold,                 indicate. This group of pinnipeds has                 above the insignificance threshold does
                                            while an additional four stocks do not                   reduced functional hearing at the higher              not necessarily indicate that the take is
                                            have current PBR values and therefore                    frequencies produced by active acoustic               unsustainable or that it may constitute
                                            are evaluated using other factors. We                    sources considered here (e.g., primary                more than a negligible impact. Rather,
                                            first consider stocks expected to be                     operating frequencies of 40–180 kHz)                  we simply use this metric as a guide to
                                            affected only by behavioral harassment                   and, based purely on their auditory                   indicate when further evaluation of the
                                            and those stocks that fall below the                     capabilities, the potential impacts are               available information is warranted. For
                                            insignificance threshold. Next, we                       likely much less than we have                         the offshore stock of bottlenose dolphin,
                                            consider those stocks above the                          calculated as these relevant factors are              Risso’s dolphin, and short-finned pilot
                                            insignificance threshold (i.e., the                      not taken into account.                               whale, maximum total potential M/SI
                                            offshore stock of bottlenose dolphin,                       As described previously, there is                  due to NMFS’s fisheries research
                                            Risso’s dolphin, and short-finned pilot                  some minimal potential for temporary                  activity (SWFSC and NWFSC
                                            whale) and those without PBR values                      effects to hearing for certain marine                 combined), while above the
                                            (harbor seals along the Oregon and                       mammals, but most effects would likely                insignificance threshold, is low relative
                                                                                                     be limited to temporary behavioral                    to residual PBR (approximately 28, 10,
                                            Washington coasts and in Washington
                                                                                                     disturbance. Effects on individuals that              and 12 percent, respectively).
                                            inland waters).
                                                                                                     are taken by Level B harassment will                     The only known source of other
                                               As described in greater depth in our                  likely be limited to reactions such as                anthropogenic mortality for the offshore
                                            notice of proposed rulemaking (81 FR                     increased swimming speeds, increased                  stock of bottlenose dolphin and the
                                            38516; June 13, 2016), we do not believe                 surfacing time, or decreased foraging (if             Risso’s dolphin is in commercial
                                            that NWFSC use of active acoustic                        such activity were occurring), reactions              fisheries, and such take is considered to
                                            sources has the likely potential to cause                that are considered to be of low severity             be insignificant and approaching zero
                                            any effect exceeding Level B harassment                  (e.g., Ellison et al., 2012). Individuals             mortality and serious injury. Therefore,
                                            of marine mammals. In addition, for the                  may move away from the source if                      there is no information to suggest that
                                            majority of species, the annual take by                  disturbed, but because the source is                  the incremental additional removals due
                                            Level B harassment is very low in                        itself moving and because of the                      to NWFSC fisheries research cause any
                                            relation to the population abundance                     directional nature of the sources                     concern with regard to annual rates of
                                            estimate (less than one percent). We                     considered here, there is unlikely to be              recruitment or survival for these stocks.
                                            have produced what we believe to be                      even temporary displacement from areas                   Similarly, commercial fisheries
                                            precautionary estimates of potential                     of significance and any disturbance                   provide the only known cause of
                                            incidents of Level B harassment. The                     would be of short duration. Although                  anthropogenic mortality for the short-
                                            procedure for producing these                            there is no information on which to base              finned pilot whale. However, due to the
                                            estimates, described in detail in our                    any distinction between incidents of                  relatively low PBR value for this stock,
                                            notice of proposed rulemaking (81 FR                     harassment and individuals harassed,                  such take cannot be considered to be
                                            38516; June 13, 2016), represents                        the same factors, in conjunction with                 insignificant and approaching zero
                                            NMFS’s best effort towards balancing                     the fact that NWFSC survey effort is                  mortality and serious injury. The only
                                            the need to quantify the potential for                   widely dispersed in space and time,                   takes in commercial fisheries from
                                            occurrence of Level B harassment due to                  indicate that repeated exposures of the               2010–14 were due to interactions with
                                            production of underwater sound with a                    same individuals would be very                        the California drift gillnet fishery, and
                                            general lack of information related to                   unlikely. For these reasons, we do not                occurred only in 2014. Therefore, it is
                                            the specific way that these acoustic                     consider the level of take by acoustic                unclear that these fishery takes will
                                            signals, which are generally highly                      disturbance to represent a significant                constitute an ongoing source of
                                            directional and transient, interact with                 additional population stressor when                   mortality and, regardless, any level of
                                            the physical environment and to a                        considered in context with the proposed               removals up to PBR could occur while
                                            meaningful understanding of marine                       level of take by M/SI for any species.                still allowing the stock to reach or
                                            mammal perception of these signals and                      Similarly, disturbance of pinnipeds                maintain its optimum sustainable
                                            occurrence in the areas where NWFSC                      on haulouts by researchers approaching                population, as indicated in the
                                            operates. The sources considered here                    on foot or in small vessels (as is                    definition of the PBR metric. The
                                            have moderate to high output                             expected for harbor seals in the lower                available information, i.e., that there is
                                            frequencies (10 to 180 kHz), generally                   Columbia River and Puget Sound and                    only one other source of anthropogenic
                                            short ping durations, and are typically                  for California sea lions in Puget Sound)              mortality, which has resulted in a low
                                            focused (highly directional) to serve                    are expected to be infrequent and cause               level of mortalities in one year and may
                                            their intended purpose of mapping                        only a temporary disturbance on the                   not be an ongoing source of mortality,
                                            specific objects, depths, or                             order of minutes. As noted previously,                and that the authorized take is low
                                            environmental features. In addition,                     monitoring results from other activities              compared to residual PBR (10 percent),
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                                            some of these sources can be operated                    involving the disturbance of pinnipeds                indicates that there is no concern
                                            in different output modes (e.g., energy                  and relevant studies of pinniped                      regarding the impacts of incremental
                                            can be distributed among multiple                        populations that experience more                      additional removals due to NWFSC
                                            output beams) that may lessen the                        regular vessel disturbance indicate that              fisheries research on annual rates of
                                            likelihood of perception by and                          individually significant or population                recruitment or survival for this stock.
                                            potential impacts on marine mammals                      level impacts are unlikely to occur.                  Nevertheless, if bycatch in commercial
                                            in comparison with the quantitative                      When considering the individual                       fisheries increases, or other sources of


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                          36391

                                            mortality are recorded for this stock, we                predicted number of incidents of                         • Occurrence of marine mammal
                                            will use the adaptive management                         potential mortality are at insignificant              species in action area (e.g., presence,
                                            provisions of these regulations to                       levels (i.e., below ten percent of residual           abundance, distribution, density);
                                            prescribe increased mitigation sufficient                PBR) for a majority of affected stocks; (4)              • Nature, scope, or context of likely
                                            to reduce the likelihood of incidental                   consideration of additional factors for               marine mammal exposure to potential
                                            take in NMFS fisheries research                          the Risso’s dolphin, offshore stock of                stressors/impacts (individual or
                                            activities. No population trends are                     bottlenose dolphin, and short-finned                  cumulative, acute or chronic), through
                                            known for these three stocks.                            pilot whale do not reveal cause for                   better understanding of: (1) Action or
                                               PBR is unknown for harbor seals on                    concern; (5) available information                    environment (e.g., source
                                            the Oregon and Washington coasts and                     regarding two harbor seal stocks                      characterization, propagation, ambient
                                            in Washington inland waters                              indicates that total maximum potential                noise); (2) affected species (e.g., life
                                            (comprised of the Hood Canal, southern                   M/SI is sustainable; and (6) the                      history, dive patterns); (3) co-occurrence
                                            Puget Sound, and Washington northern                     presumed efficacy of the planned                      of marine mammal species with the
                                            inland waters stocks). The Hood Canal,                   mitigation measures in reducing the                   action; or (4) biological or behavioral
                                            southern Puget Sound, and Washington                     effects of the specified activity to the              context of exposure (e.g., age, calving, or
                                            northern inland waters stocks were                       level of least practicable adverse impact.            feeding areas);
                                            formerly a single inland waters stock.                   In addition, no M/SI is authorized for                   • Individual responses to acute
                                            Both the Oregon/Washington coast and                     any species or stock that is listed under             stressors, or impacts of chronic
                                            Washington inland waters stocks of                       the ESA or considered depleted under                  exposures (behavioral or physiological);
                                            harbor seal were considered to be stable                 the MMPA. In combination, we believe                     • How anticipated responses to
                                            following the most recent abundance                      that these factors demonstrate that the               stressors impact either: (1) Long-term
                                            estimates (in 1999, stock abundances                     specified activity will have only short-              fitness and survival of an individual; or
                                            were estimated at 24,732 and 13,692,                     term effects on individuals (resulting                (2) population, species, or stock;
                                            respectively). However, a Washington                     from Level B harassment) and that the                    • Effects on marine mammal habitat
                                            Department of Fish and Wildlife expert                   total level of taking will not impact rates           and resultant impacts to marine
                                            (S. Jeffries) stated an unofficial                       of recruitment or survival sufficiently to            mammals; and
                                            abundance of 32,000 harbor seals in                                                                               • Mitigation and monitoring
                                                                                                     result in population-level impacts.
                                            Washington (Mapes, 2013). Therefore, it                                                                        effectiveness.
                                            is reasonable to assume that at worst,                   Small Numbers Analysis                                   NWFSC plans to make more
                                            the stocks have not declined since the                                                                         systematic its training, operations, data
                                                                                                       Please see Table 7 for information                  collection, animal handling and
                                            last abundance estimates. Ongoing                        relating to this small numbers analysis.
                                            anthropogenic mortality is estimated at                                                                        sampling protocols, etc., in order to
                                                                                                     The total amount of taking authorized is              improve its ability to understand how
                                            10.6 harbor seals per year for the coastal               less than one percent for a large majority
                                            stock and 13.4 for inland waters seals;                                                                        mitigation measures influence
                                                                                                     of stocks. The total amount of taking for             interaction rates and ensure its research
                                            therefore, we reasonably assume that the                 remaining stocks ranges from four to
                                            maximum potential annual M/SI                                                                                  operations are conducted in an
                                                                                                     thirteen percent.                                     informed manner and consistent with
                                            incidental to NMFS’s fisheries research
                                                                                                       Based on the analysis contained                     lessons learned from those with
                                            activities (1.8 and 1.2, respectively) is a
                                                                                                     herein of the likely effects of the                   experience operating these gears in
                                            small fraction of any sustainable take
                                            level that might be calculated for either                specified activity on marine mammals                  close proximity to marine mammals. It
                                            stock. For the reasons stated above, we                  and their habitat, and taking into                    is in this spirit that the monitoring
                                            do not consider the level of take by                     consideration the implementation of the               requirements described below were
                                            acoustic and physical disturbance for                    proposed mitigation measures, we find                 crafted.
                                            harbor seals to represent a significant                  that small numbers of marine mammals
                                                                                                     will be taken relative to the populations             Visual Monitoring
                                            additional population stressor when
                                            considered in context with the proposed                  of the affected species or stocks.                       Marine mammal watches are a
                                            level of take by M/SI.                                   Monitoring and Reporting                              standard part of conducting fisheries
                                               Based on the analysis contained                                                                             research activities, and are implemented
                                            herein of the likely effects of the                        In order to issue an incidental take                as described previously in ‘‘Mitigation.’’
                                            specified activity on marine mammals                     authorization for an activity, section                Dedicated marine mammal visual
                                            and their habitat, and taking into                       101(a)(5)(A) of the MMPA states that                  monitoring occurs as described (1) for
                                            consideration the implementation of the                  NMFS must set forth requirements                      some period prior to deployment of
                                            planned mitigation measures, we find                     pertaining to the monitoring and                      most research gear; (2) throughout
                                            that the total marine mammal take from                   reporting of such taking. The MMPA                    deployment and active fishing of all
                                            NWFSC’s fisheries research activities                    implementing regulations at 50 CFR                    research gears; (3) for some period prior
                                            will have a negligible impact on the                     216.104(a)(13) indicate that requests for             to retrieval of longline gear; and (4)
                                            affected marine mammal species or                        incidental take authorizations must                   throughout retrieval of all research gear.
                                            stocks. In summary, this finding of                      include the suggested means of                        This visual monitoring is performed by
                                            negligible impact is founded on the                      accomplishing the necessary monitoring                trained NWFSC personnel with no other
                                            following factors: (1) The possibility of                and reporting that will result in                     responsibilities during the monitoring
                                            injury, serious injury, or mortality from                increased knowledge of the species and                period. Observers record the species and
                                            the use of active acoustic devices may                   of the level of taking or impacts on                  estimated number of animals present
                                                                                                     populations of marine mammals that are
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                                            reasonably be considered discountable;                                                                         and their behaviors, which may be
                                            (2) the anticipated incidents of Level B                 expected to be present in the proposed                valuable information towards an
                                            harassment from the use of active                        action area.                                          understanding of whether certain
                                            acoustic devices and physical                              Any monitoring requirement we                       species may be attracted to vessels or
                                            disturbance of pinnipeds consist of, at                  prescribe should improve our                          certain survey gears. Separately, marine
                                            worst, temporary and relatively minor                    understanding of one or more of the                   mammal watches are conducted by
                                            modifications in behavior; (3) the                       following:                                            watch-standers (those navigating the


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                                            36392                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            vessel and other crew; these will                        and sampling training module will                       NWFSC will record interaction
                                            typically not be NWFSC personnel) at                     include the same sampling and                         information on either existing data
                                            all times when the vessel is being                       necropsy training that is used for the                forms created by other NMFS programs
                                            operated. The primary focus for this                     West Coast Regional Observer training.                or will develop their own standardized
                                            type of watch is to avoid striking marine                   Third, NWFSC will also dedicate a                  forms. To aid in SI determinations and
                                            mammals and to generally avoid                           portion of training to discussion of best             comply with the current NMFS Serious
                                            navigational hazards. These watch-                       professional judgment (which is                       Injury Guidelines (NMFS, 2012a, b),
                                            standers typically have other duties                     recognized as an integral component of                researchers will also answer a series of
                                            associated with navigation and other                     mitigation implementation; see                        supplemental questions on the details of
                                            vessel operations and are not required to                ‘‘Mitigation’’), including use in any                 marine mammal interactions.
                                            record or report to the scientific party                 incidents of marine mammal interaction                  Finally, for any marine mammals that
                                            data on marine mammal sightings,                         and instructive examples where use of                 are killed during fisheries research
                                            except when gear is being deployed or                    best professional judgment was                        activities, scientists will collect data and
                                            retrieved.                                               determined to be successful or                        samples pursuant to Appendix D of the
                                               In the PSRA and LCRRA only, the                       unsuccessful. We recognize that many                  NWFSC DEA, ‘‘Protected Species
                                            NWFSC will monitor any potential                         factors come into play regarding                      Handling Procedures for NWFSC
                                            disturbance of hauled-out pinnipeds,                     decision-making at sea and that it is not             Fisheries Research Vessels.’’
                                            paying particular attention to the                       practicable to simplify what are
                                                                                                                                                           Reporting
                                            distance at which different species of                   inherently variable and complex
                                            pinniped are disturbed. Disturbance                      situational decisions into rules that may                As is normally the case, NWFSC will
                                            will be recorded according to the three-                 be defined on paper. However, it is our               coordinate with the relevant stranding
                                            point scale, representing increasing seal                intent that use of best professional                  coordinators for any unusual marine
                                            response to disturbance, shown in Table                  judgment be an iterative process from                 mammal behavior and any stranding,
                                            5.                                                       year to year, in which any at-sea                     beached live/dead, or floating marine
                                                                                                     decision-maker (i.e., responsible for                 mammals that are encountered during
                                            Training                                                                                                       field research activities. The NWFSC
                                                                                                     decisions regarding the avoidance of
                                               NWFSC anticipates that additional                     marine mammal interactions with                       will follow a phased approach with
                                            information on practices to avoid                        survey gear through the application of                regard to the cessation of its activities
                                            marine mammal interactions can be                        best professional judgment) learns from               and/or reporting of such events, as
                                            gleaned from training sessions and more                  the prior experience of all relevant                  described in the proposed regulatory
                                            systematic data collection standards.                    NWFSC personnel (rather than from                     texts following this preamble. In
                                            The NWFSC will conduct annual                            solely their own experience). The                     addition, CSs or the cruise leader will
                                            trainings for all CSs and other personnel                outcome should be increased                           provide reports to NWFSC leadership
                                            who may be responsible for conducting                    transparency in decision-making                       and to the Office of Protected Resources
                                            dedicated marine mammal visual                           processes where best professional                     (OPR). As a result, when marine
                                            observations to explain mitigation                       judgment is appropriate and, to the                   mammals interact with survey gear,
                                            measures and monitoring and reporting                    extent possible, some degree of                       whether killed or released alive, a report
                                            requirements, mitigation and                             standardization across common                         provided by the CS will fully describe
                                            monitoring protocols, marine mammal                      situations, with an ultimate goal of                  any observations of the animals, the
                                            identification, recording of count and                   reducing marine mammal interactions.                  context (vessel and conditions),
                                            disturbance observations, completion of                  It is the responsibility of the NWFSC to              decisions made and rationale for
                                            datasheets, and use of equipment. Some                   facilitate such exchange.                             decisions made in vessel and gear
                                            of these topics may be familiar to                                                                             handling. The circumstances of these
                                            NWFSC staff, who may be professional                     Handling Procedures and Data                          events are critical in enabling NWFSC
                                            biologists. The NWFSC shall determine                    Collection                                            and OPR to better evaluate the
                                            the agenda for these trainings and                          Improved standardization of handling               conditions under which takes are most
                                            ensure that all relevant staff have                      procedures were discussed previously                  likely occur. We believe in the long term
                                            necessary familiarity with these topics.                 in ‘‘Mitigation.’’ In addition to the                 this will allow the avoidance of these
                                            The first such training will include                     benefits implementing these protocols                 types of events in the future.
                                            three primary elements:                                  are believed to have on the animals                      The NWFSC will submit annual
                                               First, the course will provide an                     through increased post-release survival,              summary reports to OPR including: (1)
                                            overview of the purpose and need for                     NWFSC believes adopting these                         Annual line-kilometers surveyed during
                                            the authorization, including mandatory                   protocols for data collection will also               which the EK60, ME70, SX90 (or
                                            mitigation measures by gear and the                      increase the information on which                     equivalent sources) were predominant
                                            purpose for each, and species that                       ‘‘serious injury’’ (SI) determinations                (see ‘‘Estimated Take by Acoustic
                                            NWFSC is authorized to incidentally                      (NMFS, 2012a, b) are based and improve                Harassment’’ for further discussion),
                                            take.                                                    scientific knowledge about marine                     specific to each region; (2) summary
                                               Second, the training will provide                     mammals that interact with fisheries                  information regarding use of all hook
                                            detailed descriptions of reporting, data                 research gears and the factors that                   and line, seine, and trawl gear,
                                            collection, and sampling protocols. This                 contribute to these interactions. NWFSC               including number of sets, hook hours,
                                            portion of the training will include                     personnel will be provided standard                   tows, etc., specific to each research area
                                            instruction on how to complete new                       guidance and training regarding                       and gear; (3) accounts of all incidents of
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                                            data collection forms such as the marine                 handling of marine mammals, including                 marine mammal interactions, including
                                            mammal watch log, the incidental take                    how to identify different species, bring              circumstances of the event and
                                            form (e.g., specific gear configuration                  an individual aboard a vessel, assess the             descriptions of any mitigation
                                            and details relevant to an interaction                   level of consciousness, remove fishing                procedures implemented or not
                                            with protected species), and forms used                  gear, return an individual to water and               implemented and why; (4) summary
                                            for species identification and biological                log activities pertaining to the                      information related to any disturbance
                                            sampling. The biological data collection                 interaction.                                          of pinnipeds, including event-specific


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                          36393

                                            total counts of animals present, counts                  be both valuable and necessary within                 of the specified activities) which
                                            of reactions according to the three-point                the context of five-year regulations for              concluded that the issuance of the
                                            scale shown in Table 5, and distance of                  activities that have been associated with             authorizations is not likely to jeopardize
                                            closest approach; and (5) a written                      marine mammal mortality.                              the continued existence of any listed
                                            evaluation of the effectiveness of                          The reporting requirements associated              species and is not likely to adversely
                                            NWFSC mitigation strategies in                           with this final rule are designed to                  affect any listed marine mammal
                                            reducing the number of marine mammal                     provide OPR with monitoring data from                 species. The opinion also concluded
                                            interactions with survey gear, including                 the previous year to allow consideration              that the issuance of the authorizations
                                            best professional judgment and                           of whether any changes are appropriate.               would not affect any designated critical
                                            suggestions for changes to the mitigation                OPR and the NWFSC will meet annually                  habitat.
                                            strategies, if any. The period of                        to discuss the monitoring reports and
                                                                                                     current science and whether mitigation                National Environmental Policy Act
                                            reporting will be annually, beginning
                                                                                                     or monitoring modifications are                       (NEPA)
                                            one year post-issuance of any LOA, and
                                            the report must be submitted not less                    appropriate. The use of adaptive                         In compliance with the National
                                            than ninety days following the end of a                  management allows OPR to consider                     Environmental Policy Act of 1969 (42
                                            given year. Submission of this                           new information from different sources                U.S.C. 4321 et seq.), as implemented by
                                            information is in service of an adaptive                 to determine (with input from the                     the regulations published by the
                                            management framework allowing NMFS                       NWFSC regarding practicability) on an                 Council on Environmental Quality (40
                                            to make appropriate modifications to                     annual or biennial basis if mitigation or             CFR parts 1500–1508), NWFSC
                                            mitigation and/or monitoring strategies,                 monitoring measures should be                         prepared a Programmatic EA to consider
                                            as necessary, during the five-year period                modified (including additions or                      the direct, indirect and cumulative
                                            of validity for these regulations.                       deletions). Mitigation measures could be              effects to the human environment
                                               NMFS has established a formal                         modified if new data suggests that such               resulting from the described research
                                            incidental take reporting system, the                    modifications would have a reasonable                 activities. OPR made NWFSC’s EA
                                            Protected Species Incidental Take                        likelihood of reducing adverse effects to             available to the public for review and
                                            (PSIT) database, requiring that                          marine mammals and if the measures                    comment, in relation to its suitability for
                                            incidental takes of protected species be                 are practicable.                                      adoption by OPR in order to assess the
                                            reported within 48 hours of the                             The following are some of the                      impacts to the human environment of
                                            occurrence. The PSIT generates                           possible sources of applicable data to be             issuance of regulations and subsequent
                                            automated messages to NMFS                               considered through the adaptive                       LOA to NWFSC. Also in compliance
                                            leadership and other relevant staff,                     management process: (1) Results from                  with NEPA and the CEQ regulations, as
                                            alerting them to the event and to the fact               monitoring reports, as required by                    well as NOAA Administrative Order
                                            that updated information describing the                  MMPA authorizations; (2) results from                 216–6, OPR relies on NWFSC’s EA,
                                            circumstances of the event has been                      general marine mammal and sound                       which also addresses OPR’s action of
                                            inputted to the database. The PSIT and                   research; and (3) any information which               issuing incidental take authorizations to
                                            CS reports represent not only valuable                   reveals that marine mammals may have                  NWFSC, and signed a Finding of No
                                            real-time reporting and information                      been taken in a manner, extent, or                    Significant Impact (FONSI) on March
                                            dissemination tools but also serve as an                 number not authorized by these                        27, 2018. NWFSC’s EA and OPR’s
                                            archive of information that may be                       regulations or subsequent LOAs.                       FONSI for this action may be found
                                            mined in the future to study why takes                                                                         online at www.nmfs.noaa.gov/pr/
                                            occur by species, gear, region, etc.                     Impact on Availability of Affected                    permits/incidental/research.htm.
                                               NWFSC will also collect and report                    Species for Taking for Subsistence Uses
                                            all necessary data, to the extent                          There are no relevant subsistence uses              Classification
                                            practicable given the primacy of human                   of marine mammals implicated by these                   Pursuant to the procedures
                                            safety and the well-being of captured or                 actions. Therefore, we have determined                established to implement Executive
                                            entangled marine mammals, to facilitate                  that the total taking of affected species             Order 12866, the Office of Management
                                            SI determinations for marine mammals                     or stocks would not have an unmitigable               and Budget has determined that this
                                            that are released alive. NWFSC will                      adverse impact on the availability of                 rule is not significant.
                                            require that the CS complete data forms                  such species or stocks for taking for                   Pursuant to section 605(b) of the
                                            and address supplemental questions,                      subsistence purposes.                                 Regulatory Flexibility Act (RFA), the
                                            both of which have been developed to                                                                           Chief Counsel for Regulation of the
                                            aid in SI determinations. NWFSC                          Endangered Species Act (ESA)                          Department of Commerce certified to
                                            understands the critical need to provide                    There are multiple marine mammal                   the Chief Counsel for Advocacy of the
                                            as much relevant information as                          species listed under the ESA with                     Small Business Administration at the
                                            possible about marine mammal                             confirmed or possible occurrence in the               proposed rule stage that this rule will
                                            interactions to inform decisions                         proposed specified geographical region.               not have a significant economic impact
                                            regarding SI determinations. In                          The authorization of incidental take                  on a substantial number of small
                                            addition, the NWFSC will perform all                     pursuant to the NWFSC’s specified                     entities. The factual basis for the
                                            necessary reporting to ensure that any                   activity would not affect any designated              certification was published in the
                                            incidental M/SI is incorporated as                       critical habitat. OPR requested initiation            proposed rule and is not repeated here.
                                            appropriate into relevant SARs.                          of consultation with NMFS’s West Coast                No comments were received regarding
                                                                                                     Regional Office (WCRO) under section 7                this certification. As a result, a
                                            Adaptive Management
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                                                                                                     of the ESA on the promulgation of five-               regulatory flexibility analysis is not
                                               The regulations governing the take of                 year regulations and the subsequent                   required and none has been prepared.
                                            marine mammals incidental to NWFSC                       issuance of LOAs to NWFSC under                         Notwithstanding any other provision
                                            fisheries research survey operations                     section 101(a)(5)(A) of the MMPA.                     of law, no person is required to respond
                                            contain an adaptive management                              On November 10, 2016, the WCRO                     to, nor shall a person be subject to a
                                            component. The inclusion of an                           issued a biological opinion to OPR and                penalty for failure to comply with a
                                            adaptive management component will                       to the NWFSC (concerning the conduct                  collection of information (COI) subject


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                                            36394                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            to the requirements of the Paperwork                     of Authorization (LOA) only if it occurs              specific survey with the National
                                            Reduction Act (PRA) unless that COI                      within the California Current                         Oceanic and Atmospheric
                                            displays a currently valid OMB control                   Ecosystem, including Puget Sound and                  Administration’s (NOAA) Office of
                                            number. This rule does not contain a                     the Columbia River.                                   Marine and Aviation Operations
                                            COI requirement subject to the                                                                                 (OMAO) or other relevant parties on
                                            provisions of the PRA because the                        § 219.42   Effective dates.                           non-NOAA platforms to ensure that all
                                            applicant is a Federal agency.                              Regulations in this subpart are                    mitigation measures and monitoring
                                                                                                     effective from August 27, 2018, through               requirements described herein, as well
                                            List of Subjects in 50 CFR Part 219                      August 28, 2023.                                      as the specific manner of
                                              Exports, Fish, Imports, Indians,                                                                             implementation and relevant event-
                                                                                                     § 219.43   Permissible methods of taking.
                                            Labeling, Marine mammals, Penalties,                                                                           contingent decision-making processes,
                                            Reporting and recordkeeping                                 (a) Under LOAs issued pursuant to                  are clearly understood and agreed upon;
                                            requirements, Seafood, Transportation.                   § 216.106 of this chapter and § 219.47,                  (2) NWFSC shall coordinate and
                                                                                                     the Holder of the LOA (hereinafter                    conduct briefings at the outset of each
                                              Dated: July 24, 2018.                                  ‘‘NWFSC’’) may incidentally, but not                  survey and as necessary between ship’s
                                            Samuel D. Rauch III,                                     intentionally, take marine mammals                    crew (Commanding Officer/master or
                                            Deputy Assistant Administrator for                       within the area described in § 219.41(b)              designee(s), as appropriate) and
                                            Regulatory Programs, National Marine                     by Level B harassment associated with                 scientific party in order to explain
                                            Fisheries Service.                                       use of active acoustic systems and                    responsibilities, communication
                                              For reasons set forth in the preamble,                 physical or visual disturbance of                     procedures, marine mammal monitoring
                                            NMFS amends 50 CFR part 219 as                           hauled-out pinnipeds and by Level A                   protocol, and operational procedures;
                                            follows:                                                 harassment, serious injury, or mortality                 (3) NWFSC shall coordinate as
                                                                                                     associated with use of hook and line                  necessary on a daily basis during survey
                                            PART 219—REGULATIONS                                     gear, trawl gear, and seine gear,                     cruises with OMAO personnel or other
                                            GOVERNING THE TAKING AND                                 provided the activity is in compliance                relevant personnel on non-NOAA
                                            IMPORTING OF MARINE MAMMALS                              with all terms, conditions, and                       platforms to ensure that requirements,
                                            ■ 1. The authority citation for part 219                 requirements of the regulations in this               procedures, and decision-making
                                            continues to read as follows:                            subpart and the applicable LOA.                       processes are understood and properly
                                                                                                     § 219.44   Prohibitions.
                                                                                                                                                           implemented;
                                                Authority: 16 U.S.C. 1361 et seq.                                                                             (4) When deploying any type of
                                            ■ 2. Add subpart E to part 219 to read                     Notwithstanding takings                             sampling gear at sea, NWFSC shall at all
                                            as follows:                                              contemplated in § 219.41 and                          times monitor for any unusual
                                                                                                     authorized by a LOA issued under                      circumstances that may arise at a
                                            Subpart E—Taking Marine Mammals                          § 216.106 of this chapter and § 219.47,               sampling site and use best professional
                                            Incidental to Northwest Fisheries Science                no person in connection with the
                                            Center Fisheries Research in the Pacific                                                                       judgment to avoid any potential risks to
                                                                                                     activities described in § 219.41 may:                 marine mammals during use of all
                                            Ocean
                                                                                                       (a) Violate, or fail to comply with, the            research equipment; and
                                            Sec.                                                     terms, conditions, and requirements of                   (5) NWFSC shall implement handling
                                            219.41 Specified activity and specified                  this subpart or a LOA issued under
                                                 geographical region.                                                                                      and/or disentanglement protocols as
                                                                                                     § 216.106 of this chapter and § 219.47;               specified in the guidance that shall be
                                            219.42 Effective dates.
                                            219.43 Permissible methods of taking.                      (b) Take any marine mammal not                      provided to NWFSC survey personnel.
                                            219.44 Prohibitions.                                     specified in such LOA;                                   (b) For all research surveys using
                                            219.45 Mitigation requirements.                            (c) Take any marine mammal                          trawl, hook and line, or seine gear in
                                            219.46 Requirements for monitoring and                   specified in such LOAs in any manner                  Puget Sound, the move-on rule
                                                 reporting.                                          other than as specified;                              mitigation protocol described in
                                            219.47 Letters of Authorization.                           (d) Take a marine mammal specified                  paragraph (c)(3) of this section shall be
                                            219.48 Renewals and modifications of                     in such LOA if NMFS determines such                   implemented upon observation of killer
                                                 Letters of Authorization.                           taking results in more than a negligible
                                            219.49 [Reserved]
                                                                                                                                                           whales at any distance.
                                                                                                     impact on the species or stocks of such                  (c) Trawl survey protocols:
                                            219.50 [Reserved]
                                                                                                     marine mammal; or                                        (1) NWFSC shall conduct trawl
                                            Subpart E—Taking Marine Mammals                            (e) Take a marine mammal specified                  operations as soon as is practicable
                                            Incidental to Northwest Fisheries                        in such LOA if NMFS determines such                   upon arrival at the sampling station;
                                            Science Center Fisheries Research in                     taking results in an unmitigable adverse                 (2) NWFSC shall initiate marine
                                            the Pacific Ocean                                        impact on the availability of such                    mammal watches (visual observation) a
                                                                                                     species or stock of marine mammal for                 minimum of ten minutes prior to
                                            § 219.41 Specified activity and specified                taking for subsistence uses.                          beginning of net deployment but shall
                                            geographical region.                                                                                           also conduct monitoring during pre-set
                                              (a) Regulations in this subpart apply                  § 219.45   Mitigation requirements.                   activities including trackline
                                            only to the National Marine Fisheries                      When conducting the activities                      reconnaissance, CTD casts, and
                                            Service’s (NMFS) Northwest Fisheries                     identified in § 219.41(a), the mitigation             plankton or bongo net hauls. Marine
                                            Science Center (NWFSC) and those                         measures contained in any LOA issued                  mammal watches shall be conducted by
                                            persons it authorizes or funds to                        under § 216.106 of this chapter and                   scanning the surrounding waters with
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                                            conduct activities on its behalf for the                 § 219.47 must be implemented. These                   the naked eye and rangefinding
                                            taking of marine mammals that occurs                     mitigation measures shall include but                 binoculars (or monocular). During
                                            in the area outlined in paragraph (b) of                 are not limited to:                                   nighttime operations, visual observation
                                            this section and that occurs incidental                    (a) General conditions:                             shall be conducted using the naked eye
                                            to research survey program operations.                     (1) NWFSC shall take all necessary                  and available vessel lighting;
                                              (b) The taking of marine mammals by                    measures to coordinate and                               (3) NWFSC shall implement the
                                            NWFSC may be authorized in a Letter                      communicate in advance of each                        move-on rule mitigation protocol, as


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                         36395

                                            described in this paragraph. If one or                   target depth and maximum tow                          monitored to determine their position
                                            more marine mammals are observed                         distance, and shall carefully empty the               and movement in relation to the vessel
                                            within 500 meters (m) of the planned                     trawl as quickly as possible upon                     to determine whether the move-on rule
                                            location in the 10 minutes before setting                retrieval. Trawl nets must be cleaned                 mitigation protocol should be
                                            the trawl gear, and are considered at risk               prior to deployment;                                  implemented. NWFSC may use best
                                            of interacting with the vessel or research                  (8) NWFSC must install and use a                   professional judgment in making these
                                            gear, or appear to be approaching the                    marine mammal excluder device at all                  decisions;
                                            vessel and are considered at risk of                     times when the Nordic 264 trawl net is                   (4) NWFSC shall maintain visual
                                            interaction, NWFSC shall either remain                   used;                                                 monitoring effort during the entire
                                            onsite or move on to another sampling                       (9) NWFSC must install and use                     period of gear deployment and retrieval.
                                            location. If remaining onsite, the set                   acoustic deterrent devices whenever the               If marine mammals are sighted before
                                            shall be delayed. If the animals depart                  Nordic 264 trawl net is used, with two                the gear is fully deployed or retrieved,
                                            or appear to no longer be at risk of                     pairs of the devices installed near the               NWFSC shall take the most appropriate
                                            interacting with the vessel or gear, a                   net opening. NWFSC must ensure that                   action to avoid marine mammal
                                            further 10 minute observation period                     the devices are operating properly                    interaction. NWFSC may use best
                                            shall be conducted. If no further                        before deploying the net;                             professional judgment in making this
                                            observations are made or the animals                        (10) For use of the Kodiak surface                 decision;
                                            still do not appear to be at risk of                     trawl in Puget Sound, trawl survey                       (5) If deployment or retrieval
                                            interaction, then the set may be made.                   protocols described in this section apply             operations have been suspended
                                            If the vessel is moved to a different                    only to cetaceans; and                                because of the presence of marine
                                            section of the sampling area, the move-                     (11) Trawl survey protocols described              mammals, NWFSC may resume such
                                            on rule mitigation protocol would begin                  in this section do not apply to use of                operations when practicable only when
                                            anew. If, after moving on, marine                        pair trawl gear in the Columbia River.                the animals are believed to have
                                            mammals remain at risk of interaction,                      (d) Hook and line (including longline)             departed the area. NWFSC may use best
                                            the NWFSC shall move again or skip the                   survey protocols:                                     professional judgment in making this
                                            station. Marine mammals that are                            (1) NWFSC shall deploy hook and                    decision;
                                            sighted further than 500 m from the                      line gear as soon as is practicable upon                 (6) NWFSC shall implement standard
                                            vessel shall be monitored to determine                   arrival at the sampling station;                      survey protocols, including maximum
                                            their position and movement in relation                     (2) NWFSC shall initiate marine                    soak durations and a prohibition on
                                            to the vessel to determine whether the                   mammal watches (visual observation)                   chumming; and
                                            move-on rule mitigation protocol should                  no less than 30 minutes prior to both                    (7) For hook and line surveys in Puget
                                            be implemented. NWFSC may use best                       deployment and retrieval of longline                  Sound, but not including longline
                                            professional judgment in making these                    gear. Marine mammal watches shall be                  surveys, hook and line survey protocols
                                            decisions;                                               conducted by scanning the surrounding                 described in this section apply only to
                                               (4) NWFSC shall maintain visual                       waters with the naked eye and range-                  cetaceans.
                                            monitoring effort during the entire                      finding binoculars (or monocular).                       (e) Seine survey protocols:
                                            period of time that trawl gear is in the                 During nighttime operations, visual                      (1) NWFSC shall conduct seine
                                            water (i.e., throughout gear deployment,                 observation shall be conducted using                  operations as soon as is practicable
                                            fishing, and retrieval). If marine                       the naked eye and available vessel                    upon arrival at the sampling station;
                                            mammals are sighted before the gear is                   lighting;                                                (2) NWFSC shall conduct marine
                                            fully removed from the water, NWFSC                         (3) NWFSC shall implement the                      mammal watches (visual observation)
                                            shall take the most appropriate action to                move-on rule mitigation protocol, as                  prior to beginning of net deployment.
                                            avoid marine mammal interaction.                         described in this paragraph. If one or                Marine mammal watches shall be
                                            NWFSC may use best professional                          more marine mammals are observed                      conducted by scanning the surrounding
                                            judgment in making this decision;                        within 500 m of the planned location in               waters with the naked eye and
                                               (5) If trawling operations have been                  the ten minutes before gear deployment,               rangefinding binoculars (or monocular);
                                            suspended because of the presence of                     and are considered at risk of interacting                (3) NWFSC shall implement the
                                            marine mammals, NWFSC may resume                         with the vessel or research gear, or                  move-on rule mitigation protocol, as
                                            trawl operations when practicable only                   appear to be approaching the vessel and               described in this paragraph for use of
                                            when the animals are believed to have                    are considered at risk of interaction,                purse seine gear. If one or more small
                                            departed the area. NWFSC may use best                    NWFSC shall either remain onsite or                   cetaceans (i.e., dolphin or porpoise) or
                                            professional judgment in making this                     move on to another sampling location.                 five or more pinnipeds are observed
                                            determination;                                           If remaining onsite, the set shall be                 within 500 m of the planned location
                                               (6) When conducting surface trawls                    delayed. If the animals depart or appear              before setting the seine gear, and are
                                            using the Nordic 264 net, dedicated                      to no longer be at risk of interacting                considered at risk of interacting with the
                                            crew with no other tasks shall conduct                   with the vessel or gear, a further 10                 vessel or research gear, or appear to be
                                            required marine mammal monitoring.                       minute observation period shall be                    approaching the vessel and are
                                            Marine mammal monitoring shall be                        conducted. If no further observations are             considered at risk of interaction,
                                            staffed in a stepwise process, with a                    made or the animals still do not appear               NWFSC shall either remain onsite or
                                            minimum of two observers beginning                       to be at risk of interaction, then the set            move on to another sampling location.
                                            pre-set monitoring and increasing to a                   may be made. If the vessel is moved to                If remaining onsite, the set shall be
                                            minimum of four observers prior to and                   a different section of the sampling area,             delayed. If the animals depart or appear
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                                            during gear deployment. During the                       the move-on rule mitigation protocol                  to no longer be at risk of interacting
                                            tow, a minimum of three observers shall                  would begin anew. If, after moving on,                with the vessel or gear, a further ten
                                            conduct required monitoring;                             marine mammals remain at risk of                      minute observation period shall be
                                               (7) NWFSC shall implement standard                    interaction, the NWFSC shall move                     conducted. If no further observations are
                                            survey protocols to minimize potential                   again or skip the station. Marine                     made or the animals still do not appear
                                            for marine mammal interactions,                          mammals that are sighted further than                 to be at risk of interaction, then the set
                                            including maximum tow durations at                       500 m from the vessel shall be                        may be made. If the vessel is moved to


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                                            36396                Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations

                                            a different area, the move-on rule                          (3) NWFSC shall conduct census                     details of any marine mammal
                                            mitigation protocol would begin anew.                    counts of established pinniped haulouts               interaction.
                                            If, after moving on, marine mammals                      in the Columbia River and Puget Sound                    (e) Reporting:
                                            remain at risk of interaction, the                       that are disturbed by NWFSC research                     (1) NWFSC shall report all incidents
                                            NWFSC shall move again or skip the                       activity, and shall record disturbance of             of marine mammal interaction to
                                            station. Marine mammals that are                         hauled-out pinnipeds due to NWFSC                     NMFS’s Protected Species Incidental
                                            sighted further than 500 m from the                      research activity, paying particular                  Take database within 48 hours of
                                            vessel shall be monitored to determine                   attention to the distance at which                    occurrence and shall provide
                                            their position and movement in relation                  different species of pinniped are                     supplemental information to OPR upon
                                            to the vessel to determine whether the                   disturbed. Disturbance shall be recorded              request. Information related to marine
                                            move-on rule mitigation protocol should                  according to a three-point scale of                   mammal interaction (animal captured or
                                            be implemented. NWFSC may use best                       response severity.                                    entangled in research gear) must include
                                            professional judgment in making these                       (c) Training:                                      details of survey effort, full descriptions
                                            decisions;                                                  (1) NWFSC must conduct annual                      of any observations of the animals, the
                                               (4) NWFSC shall maintain visual                       training for all chief scientists and other           context (vessel and conditions),
                                            monitoring effort during the entire                      personnel who may be responsible for                  decisions made, and rationale for
                                            period of time that seine gear is in the                 conducting dedicated marine mammal                    decisions made in vessel and gear
                                            water (i.e., throughout gear deployment,                 visual observations to explain                        handling;
                                            fishing, and retrieval). If marine                       mitigation measures and monitoring and                   (2) Annual reporting:
                                            mammals are sighted before the gear is                   reporting requirements, mitigation and                   (i) NWFSC shall submit an annual
                                            fully removed from the water, NWFSC                      monitoring protocols, marine mammal                   summary report to OPR not later than 90
                                            shall take the most appropriate action to                identification, completion of datasheets,             days following the end of a given year.
                                            avoid marine mammal interaction.                         and use of equipment. NWFSC may                       NWFSC shall provide a final report
                                            NWFSC may use best professional                          determine the agenda for these                        within thirty days following resolution
                                            judgment in making this decision;                        trainings;                                            of comments on the draft report:
                                                                                                        (2) NWFSC shall also dedicate a                       (ii) These reports shall contain, at
                                               (5) If seine operations have been
                                                                                                     portion of training to discussion of best             minimum, the following:
                                            suspended because of the presence of
                                                                                                     professional judgment, including use in                  (A) Annual line-kilometers surveyed
                                            marine mammals, NWFSC may resume
                                                                                                     any incidents of marine mammal                        during which the EK60, ME70, SX90 (or
                                            seine operations when practicable only
                                                                                                     interaction and instructive examples                  equivalent sources) were predominant
                                            when the animals are believed to have
                                                                                                     where use of best professional judgment               and associated pro-rated estimates of
                                            departed the area. NWFSC may use best
                                                                                                     was determined to be successful or                    actual take;
                                            professional judgment in making this                                                                              (B) Summary information regarding
                                                                                                     unsuccessful; and
                                            determination;                                                                                                 use of all hook and line, seine, and trawl
                                                                                                        (3) NWFSC shall coordinate with
                                               (6) If any cetaceans are observed in a                NMFS’s Southwest Fisheries Science                    gear, including number of sets, hook
                                            purse seine net, NWFSC shall                             Center (SWFSC) regarding surveys                      hours, tows, etc., specific to each gear;
                                            immediately open the net and free the                    conducted in the California Current                      (C) Accounts of all incidents of
                                            animals; and                                             Ecosystem, such that training and                     marine mammal interactions, including
                                               (7) NWFSC shall not make beach                        guidance related to handling procedures               circumstances of the event and
                                            seine sets within 200 m of any hauled-                   and data collection is consistent.                    descriptions of any mitigation
                                            out pinniped, and shall immediately                         (d) Handling procedures and data                   procedures implemented or not
                                            remove the gear from the water upon                      collection:                                           implemented and why;
                                            observation of any marine mammal                            (1) NWFSC must develop and                            (D) Summary information related to
                                            attempting to interact with the gear.                    implement standardized marine                         disturbance of hauled-out pinnipeds,
                                            § 219.46 Requirements for monitoring and
                                                                                                     mammal handling, disentanglement,                     including event-specific total counts of
                                            reporting.                                               and data collection procedures. These                 animals present, counts of reactions
                                                                                                     standard procedures will be subject to                according to the three-point scale, and
                                               (a) NWFSC shall designate a                           approval by NMFS’s Office of Protected                distance of closest approach;
                                            compliance coordinator who shall be                      Resources (OPR);                                         (E) A written evaluation of the
                                            responsible for ensuring compliance                         (2) When practicable, for any marine               effectiveness of NWFSC mitigation
                                            with all requirements of any LOA issued                  mammal interaction involving the                      strategies in reducing the number of
                                            pursuant to § 216.106 of this chapter                    release of a live animal, NWFSC shall                 marine mammal interactions with
                                            and § 219.47 and for preparing for any                   collect necessary data to facilitate a                survey gear, including best professional
                                            subsequent request(s) for incidental take                serious injury determination;                         judgment and suggestions for changes to
                                            authorization.                                              (3) NWFSC shall provide its relevant               the mitigation strategies, if any;
                                               (b) Visual monitoring program:                        personnel with standard guidance and                     (F) Final outcome of serious injury
                                               (1) Marine mammal visual monitoring                   training regarding handling of marine                 determinations for all incidents of
                                            shall occur prior to deployment of trawl,                mammals, including how to identify                    marine mammal interactions where the
                                            seine, and hook and line gear,                           different species, bring an individual                animal(s) were released alive; and
                                            respectively; throughout deployment of                   aboard a vessel, assess the level of                     (G) A summary of all relevant training
                                            gear and active fishing of research gears                consciousness, remove fishing gear,                   provided by NWFSC and any
                                            (not including longline soak time); prior                return an individual to water, and log                coordination with SWFSC or NMFS’s
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                                            to retrieval of longline gear; and                       activities pertaining to the interaction;             West Coast Regional Office.
                                            throughout retrieval of all research gear;               and                                                      (f) Reporting of injured or dead
                                               (2) Marine mammal watches shall be                       (4) NWFSC shall record such data on                marine mammals:
                                            conducted by watch-standers (those                       standardized forms, which will be                        (1) In the unanticipated event that the
                                            navigating the vessel and/or other crew)                 subject to approval by OPR. NWFSC                     activity defined in § 219.41(a) clearly
                                            at all times when the vessel is being                    shall also answer a standard series of                causes the take of a marine mammal in
                                            operated; and                                            supplemental questions regarding the                  a prohibited manner, NWFSC personnel


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                                                                 Federal Register / Vol. 83, No. 145 / Friday, July 27, 2018 / Rules and Regulations                                               36397

                                            engaged in the research activity shall                   documentation of the stranded animal                  measures (excluding changes made
                                            immediately cease such activity until                    sighting to OPR.                                      pursuant to the adaptive management
                                            such time as an appropriate decision                                                                           provision in paragraph (c)(1) of this
                                            regarding activity continuation can be                   § 219.47   Letters of Authorization.                  section) that do not change the findings
                                            made by the NWFSC Director (or                              (a) To incidentally take marine                    made for the regulations or result in no
                                            designee). The incident must be                          mammals pursuant to these regulations,                more than a minor change in the total
                                            reported immediately to OPR and the                      NWFSC must apply for and obtain a                     estimated number of takes (or
                                            West Coast Regional Stranding                            Letter of Authorization (LOA).                        distribution by species or years), OPR
                                            Coordinator, NMFS. OPR will review                          (b) An LOA, unless suspended or                    may publish a notice of proposed LOA
                                            the circumstances of the prohibited take                 revoked, may be effective for a period of             in the Federal Register, including the
                                            and work with NWFSC to determine                         time not to exceed the expiration date                associated analysis of the change, and
                                            what measures are necessary to                           of these regulations.                                 solicit public comment before issuing
                                            minimize the likelihood of further                          (c) If an LOA expires prior to the                 the LOA.
                                            prohibited take and ensure MMPA                          expiration date of these regulations,
                                                                                                                                                              (c) An LOA issued under § 216.106 of
                                            compliance. The immediate decision                       NWFSC may apply for and obtain a
                                                                                                                                                           this chapter and § 219.47 for the activity
                                            made by NWFSC regarding continuation                     renewal of the LOA.
                                                                                                        (d) In the event of projected changes              identified in § 219.41(a) may be
                                            of the specified activity is subject to                                                                        modified by OPR under the following
                                                                                                     to the activity or to mitigation and
                                            OPR concurrence. The report must                                                                               circumstances:
                                                                                                     monitoring measures required by an
                                            include the following information:                                                                                (1) Adaptive Management—OPR may
                                              (i) Time, date, and location (latitude/                LOA, NWFSC must apply for and obtain
                                                                                                     a modification of the LOA as described                modify (including augment) the existing
                                            longitude) of the incident;                                                                                    mitigation, monitoring, or reporting
                                              (ii) Description of the incident;                      in § 219.48 of this chapter.
                                                                                                        (e) The LOA shall set forth:                       measures (after consulting with NWFSC
                                              (iii) Environmental conditions (e.g.,                                                                        regarding the practicability of the
                                                                                                        (1) Permissible methods of incidental
                                            wind speed and direction, Beaufort sea                                                                         modifications) if doing so creates a
                                                                                                     taking;
                                            state, cloud cover, visibility);                                                                               reasonable likelihood of more
                                                                                                        (2) Means of effecting the least
                                              (iv) Description of all marine mammal                                                                        effectively accomplishing the goals of
                                                                                                     practicable adverse impact (i.e.,
                                            observations in the 24 hours preceding                                                                         the mitigation and monitoring set forth
                                                                                                     mitigation) on the species, its habitat,
                                            the incident;                                                                                                  in the preamble for these regulations;
                                                                                                     and on the availability of the species for
                                              (v) Species identification or
                                                                                                     subsistence uses; and                                    (i) Possible sources of data that could
                                            description of the animal(s) involved;
                                                                                                        (3) Requirements for monitoring and                contribute to the decision to modify the
                                              (vi) Status of all sound source use in
                                                                                                     reporting.                                            mitigation, monitoring, or reporting
                                            the 24 hours preceding the incident;                        (f) Issuance of the LOA shall be based
                                              (vii) Water depth;                                                                                           measures in an LOA:
                                                                                                     on a determination that the level of                     (A) Results from NWFSC’s monitoring
                                              (viii) Fate of the animal(s); and
                                              (ix) Photographs or video footage of                   taking will be consistent with the                    from the previous year(s);
                                            the animal(s);                                           findings made for the total taking                       (B) Results from other marine
                                              (2) In the event that NWFSC discovers                  allowable under these regulations.                    mammal and/or sound research or
                                                                                                        (g) Notice of issuance or denial of an             studies; and
                                            an injured or dead marine mammal and
                                                                                                     LOA shall be published in the Federal                    (C) Any information that reveals
                                            determines that the cause of the injury
                                                                                                     Register within thirty days of a                      marine mammals may have been taken
                                            or death is unknown and the death is
                                                                                                     determination.                                        in a manner, extent or number not
                                            relatively recent (e.g., in less than a
                                            moderate state of decomposition),                        § 219.48 Renewals and modifications of                authorized by these regulations or
                                            NWFSC shall immediately report the                       Letters of Authorization.                             subsequent LOAs.
                                            incident to OPR and the West Coast                         (a) An LOA issued under § 216.106 of                   (ii) If, through adaptive management,
                                            Regional Stranding Coordinator, NMFS.                    this chapter and § 219.47 for the activity            the modifications to the mitigation,
                                            The report must include the information                  identified in § 219.41(a) shall be                    monitoring, or reporting measures are
                                            identified in paragraph (f)(1) of this                   renewed or modified upon request by                   substantial, OPR will publish a notice of
                                            section. Activities may continue while                   the applicant, provided that:                         proposed LOA in the Federal Register
                                            OPR reviews the circumstances of the                       (1) The proposed specified activity                 and solicit public comment.
                                            incident. OPR will work with NWFSC to                    and mitigation, monitoring, and                          (2) Emergencies—If OPR determines
                                            determine whether additional                             reporting measures, as well as the                    that an emergency exists that poses a
                                            mitigation measures or modifications to                  anticipated impacts, are the same as                  significant risk to the well-being of the
                                            the activities are appropriate;                          those described and analyzed for these                species or stocks of marine mammals
                                              (3) In the event that NWFSC discovers                  regulations (excluding changes made                   specified in LOAs issued pursuant to
                                            an injured or dead marine mammal and                     pursuant to the adaptive management                   § 216.106 of this chapter and § 219.47,
                                            determines that the injury or death is                   provision in paragraph (c)(1) of this                 an LOA may be modified without prior
                                            not associated with or related to the                    section), and                                         notice or opportunity for public
                                            activities defined in § 219.41(a) (e.g.,                   (2) OPR determines that the                         comment. Notice would be published in
                                            previously wounded animal, carcass                       mitigation, monitoring, and reporting                 the Federal Register within thirty days
                                            with moderate to advanced                                measures required by the previous LOA                 of the action.
                                            decomposition, scavenger damage),                        under these regulations were
                                            NWFSC shall report the incident to OPR                   implemented.                                          § 219.49    [Reserved]
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                                            and the West Coast Regional Stranding                      (b) For an LOA modification or                      § 219.50    [Reserved]
                                            Coordinator, NMFS, within 24 hours of                    renewal requests by the applicant that
                                            the discovery. NWFSC shall provide                       include changes to the activity or the                [FR Doc. 2018–16115 Filed 7–26–18; 8:45 am]
                                            photographs or video footage or other                    mitigation, monitoring, or reporting                  BILLING CODE 3510–22–P




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Document Created: 2018-07-27 04:05:19
Document Modified: 2018-07-27 04:05:19
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesEffective from August 27, 2018, through August 28, 2023.
ContactBen Laws, Office of Protected Resources, NMFS, (301) 427-8401.
FR Citation83 FR 36370 
RIN Number0648-BF47
CFR AssociatedExports; Fish; Imports; Indians; Labeling; Marine Mammals; Penalties; Reporting and Recordkeeping Requirements; Seafood and Transportation

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