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Federal Register / Vol. 86, No. 181 / Wednesday, September 22, 2021 / Notices
TABLE 1PHASE II HARBOR SEAL DISTURBANCE DATANUMBER OF SEALS EXPERIENCING LEVEL B HARASSMENT
Date
Distance m
Total individuals harassed 1

9/2/2020
9/8/2020
9/8/2020
9/9/2020
9/10/2020
9/15/2020
9/21/2020
9/21/2020
11/9/2020
3/17/2021
3/24/2021
3/24/2021
4/5/2021
4/5/2021
4/14/2021
9/2/2020
9/3/2020
9/8/2020
9/9/2020
9/16/2020
9/22/2020
10/19/2020
10/28/2020
11/5/2020
12/3/2020
12/16/2020
5/4/2021

300m 150m 150m 60m 60m 60m 60m 60m 300m 200m 60m 60m 80m 60m 80m 60m 20m 80m 40m 100m 40m 40m 100m 60m 80m 60m 80m
0 0
0 0
0 1
0 2
1 5
1 1
2 1
2 0
1 8
0 1
0 2
0 0
1 7
0

Total

36

1 Total
Seals Taken = the number of seals that moved or flushed during the incident. Alert responses are not considered to be takes.

TABLE 2CALCULATED TAKE AND PERCENTAGE OF STOCK EXPOSED
Authorized Take Species
Level B

Pacific Harbor Seal

8 max seals taken per day 1240 days 2= 1920

Percent of stock 3

Level A
0

6.2

1 Maximum
number of seals harassed/taken in one day during Phase II.
of construction days at the Seal Bend Restoration Area.
from U.S. Pacific Marine Mammal Stock Assessments: 2014 Carretta et al., 2015 Abundance = 30,968.

2 Number 3 Data
Mitigation, Monitoring and Reporting Measures In order to issue an IHA under section 101a5D of the MMPA, NMFS must set forth the permissible methods of taking pursuant to the activity, and other means of effecting the least practicable impact on the species or stock and its habitat, paying particular attention to rookeries, mating grounds, and areas of similar significance, and on the availability of the species or stock for taking for certain subsistence uses latter not applicable for this action.
NMFS regulations require applicants for incidental take authorizations to include information about the availability and feasibility economic and technological of equipment, methods, and manner of conducting the activity or other means of effecting the least practicable adverse impact upon the affected species or
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stocks and their habitat 50 CFR
216.104a11.
In evaluating how mitigation may or may not be appropriate to ensure the least practicable adverse impact on species or stocks and their habitat, as well as subsistence uses where applicable, we carefully consider two primary factors:
1 The manner in which, and the degree to which, the successful implementation of the measures is expected to reduce impacts to marine mammals, marine mammal species or stocks, and their habitat. This considers the nature of the potential adverse impact being mitigated likelihood, scope, range. It further considers the likelihood that the measure will be effective if implemented probability of accomplishing the mitigating result if implemented as planned, the likelihood of effective implementation
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probability implemented as planned;
and 2 The practicability of the measures for applicant implementation, which may consider such things as cost, impact on operations, and, in the case of a military readiness activity, personnel safety, practicality of implementation, and impact on the effectiveness of the military readiness activity.
Description of Mitigation Some of the mitigation measures are identical to those included in the FR
Notice announcing the final 2020 IHA
and detailed descriptions of these requirements can be found in that document. However, a few requirements have been updated to reflect NMFS
more recent construction requirements and those changes are discussed in
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