Report of the Cook Inlet beluga whale abundance estimation workshop

Wade, P. R.; Shelden, K. E. W.

doi:10.25923/3f1p-x924

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Report of the Cook Inlet beluga whale abundance estimation workshop

2023
By Wade, P. R. ; Shelden, K. E. W.
Series: NOAA technical memorandum NMFS-AFSC ; 472

[PDF-1.88 MB]

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Personal Author:

Wade, P. R. ; Shelden, K. E. W.

Wade, P. R. ; Shelden, K. E. W. Less -
Corporate Authors:

Marine Mammal Laboratory (U.S.). ; Alaska Fisheries Science Center (U.S.).

Marine Mammal Laboratory (U.S.). ; Alaska Fisheries Science Center (U.S.). Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
Description:

In addition to the two types of aerial surveys, in 2017, the MML initiated a Cook Inlet beluga photo-identification project using overhead photos taken from an Uncrewed Aerial System (UAS). Preliminary analyses indicate these data are also sufficient to support relatively precise abundance estimates using closed population mark-recapture models. With multiple methods now available for estimating the abundance and trends of this population, a workshop was held to review all three methods. The main focus of the workshop was to review the potential biases of each method, and whether the biases can be corrected by further studies, with a view to understanding which method(s) may be best for estimating absolute abundance and/or relative trends in the population.
Keywords:

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Beluga Cook Inlet Survey Workshop
Series:

NOAA technical memorandum NMFS-AFSC ; 472
DOI:

https://doi.org/10.25923/3f1p-x924
Format:

PDF
Document Type:

Technical Memorandum
License:

https://creativecommons.org/publicdomain/zero/1.0/
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CC0 Public Domain
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Submitted
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urn:sha256:656d9921574b43e072727e8d0e2219a84a53442dbc3f03dc1763023521875e1b
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https://repository.library.noaa.gov/view/noaa/51080/noaa_51080_DS1.pdf
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Report of the Cook Inlet beluga whale abundance estimation workshop

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