Recent trends in the abundance of seasonal gray whales (Eschrichtius robustus) in the Pacific Northwest, 1996-2023

Harris, Jeff; Calambokidis, John; Perez, Alie; Mahoney, Peter J.

doi:10.25923/1yp3-ak25

i

Recent trends in the abundance of seasonal gray whales (Eschrichtius robustus) in the Pacific Northwest, 1996-2023

2025
By Harris, Jeff ; Calambokidis, John ; Perez, Alie ; ...
Series: AFSC processed report 2025-06

Details

Personal Author:

Harris, Jeff ; Calambokidis, John ; Perez, Alie ; Mahoney, Peter J.
Corporate Authors:

Marine Mammal Laboratory (U.S.) ; Cascadia Research.
NOAA Program & Office:

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

The following report provides an updated estimate of abundance for Pacific Coast Feeding Group (PCFG) gray whales through 2023 using data derived from the collaborative, multi-year photographic survey of gray whales in the eastern North Pacific.
Keywords:

Eschrichtius Robustus Gray Whale Observation Photographic Survey
Series:

AFSC processed report 2025-06
DOI:

https://doi.org/10.25923/1yp3-ak25
Format:

pdf
Document Type:

Processed Report
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Submitted
Main Document Checksum:

urn:sha-512:125a473f3c960d5023d22eb3565e3cf0c27792f7f5fbd4c5b0d482d56e9ffe6030badbe927e96dcf403ae643b63ca2d98d69f18b07c9669be696a34842569ec6
Download URL:

https://repository.library.noaa.gov/view/noaa/70301/noaa_70301_DS1.pdf
File Type:

[PDF - 1.00 MB ]

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