Eastern North Pacific gray whale calf production 1994-2022

Eguchi, Tomoharu; Lang, Aimée R.; Weller, David W.

doi:10.25923/4g6h-9129

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Eastern North Pacific gray whale calf production 1994-2022

2022
By Eguchi, Tomoharu ; Lang, Aimée R. ; Weller, David W.
Series: NOAA technical memorandum NMFS-SWFSC ; 667

[PDF-781.40 KB]

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Personal Author:

Eguchi, Tomoharu ; Lang, Aimée R. ; Weller, David W.

Eguchi, Tomoharu ; Lang, Aimée R. ; Weller, David W. Less -
Corporate Authors:

Southwest Fisheries Science Center (U.S.)
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

The analytical approach used to estimate total annual calf production remained consistent through the 2019 survey (see Weller and Perryman 2019). The annual survey was not conducted in 2020 due to COVID-19. In 2021, a new Bayesian modeling approach to estimate annual calf production of ENP gray whales was used by Stewart and Weller (2021a). This method accounted for uncertainty during unsampled periods (i.e., evenings, weekends and during periods of unworkable weather). Here we provide estimates of calf production for the 1994-2022 period using the Bayesian approach.
Keywords:

[+]

Estimates Gray Whale Infancy Marine Mammal Populations
Series:

NOAA technical memorandum NMFS-SWFSC ; 667
DOI:

https://doi.org/10.25923/4g6h-9129
Document Type:

Technical Memorandum
Place as Subject:

North Pacific Ocean
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:2be2b827223a4d041218ef9980cbb91503791c6a9c9989930754916ddfef63fd
Download URL:

https://repository.library.noaa.gov/view/noaa/46436/noaa_46436_DS1.pdf
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Eastern North Pacific gray whale calf production 1994-2022

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