Updated abundance estimates for blue and humpback whales along the U.S. West Coast using data through 2018

Calambokidis, John; Barlow, Jay

doi:10.25923/zrth-8n96

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Updated abundance estimates for blue and humpback whales along the U.S. West Coast using data through 2018

2020
By Calambokidis, John ; Barlow, Jay
Series: NOAA technical memorandum NMFS-SWFSC ; 634

Details You May Also Like

Details:

Personal Author:

Calambokidis, John ; Barlow, Jay

Calambokidis, John ; Barlow, Jay Less -
Corporate Authors:

United States. National Marine Fisheries Service. ; Southwest Fisheries Science Center (U.S.)

United States. National Marine Fisheries Service. ; Southwest Fisheries Science Center (U.S.) Less -
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:

This report provides updated West-Coast abundance estimates for blue and humpback whales from mark-recapture estimates based on photo-identifications work conducted by Cascadia Research Collective (CRC) and collaborators through 2018. A new analysis of the photo-identification data is underway using Bayesian models and will be available in the future. The purpose of this report is to provide updated estimates through 2018 using approaches that have been used previously (Calambokidis and Barlow 2004, 2013, 2017, Calambokidis et al. 2017).
Keywords:

[+]

Blue Whale Estimates Fishery Management Humpback Whale Whale Populations Wildlife Conservation
Series:

NOAA technical memorandum NMFS-SWFSC ; 634
DOI:

https://doi.org/10.25923/zrth-8n96
Document Type:

Technical Memorandum
Funding:

Grant no. NA18NMF4720048 ; Grant no. NA16NMF4720061

Grant no. NA18NMF4720048 ; Grant no. NA16NMF4720061 Less -
Place as Subject:

Pacific Coast (U.S.) ; North Pacific Ocean ; United States

Pacific Coast (U.S.) ; North Pacific Ocean ; United States Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:f37ca89cdbb00544e103d25cacdd716c13eba22207b237d03959838180478d21
Download URL:

https://repository.library.noaa.gov/view/noaa/27104/noaa_27104_DS1.pdf
File Type:

[PDF-1.32 MB]