Interannual and Spatial Variability in Maturity of Walleye Pollock Gadus chalcogrammus and Implications for Spawning Stock Biomass Estimates in the Gulf of Alaska

Williams, Benjamin C.; Kruse, Gordon H.; Dorn, Martin W.

doi:10.1371/journal.pone.0164797

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Interannual and Spatial Variability in Maturity of Walleye Pollock Gadus chalcogrammus and Implications for Spawning Stock Biomass Estimates in the Gulf of Alaska

2016
By Williams, Benjamin C. ; Kruse, Gordon H. ; Dorn, Martin W.
Source: PLoS ONE 11(10): e0164797

[PDF-4.04 MB]

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Journal Title:

PLoS ONE
Personal Author:

Williams, Benjamin C. ; Kruse, Gordon H. ; Dorn, Martin W.

Williams, Benjamin C. ; Kruse, Gordon H. ; Dorn, Martin W. 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:

Catch quotas for walleye pollock Gadus chalcogrammus, the dominant species in the groundfish fishery off Alaska, are set by applying harvest control rules to annual estimates of spawning stock biomass (SSB) from age-structured stock assessments. Adult walleye pollock abundance and maturity status have been monitored in early spring in Shelikof Strait in the Gulf of Alaska for almost three decades. The sampling strategy for maturity status is largely characterized as targeted, albeit opportunistic, sampling of trawl tows made during hydroacoustic surveys.
Keywords:

[+]

Estimates Fish Stock Assessment Walleye Pollock
Source:

PLoS ONE 11(10): e0164797
DOI:

https://doi.org/10.1371/journal.pone.0164797
Pubmed Central ID:

PMC5063383
Document Type:

Journal Article
Place as Subject:

Alaska, Gulf of (Alaska)
Rights Information:

CC0 1.0
Compliance:

PMC
Main Document Checksum:

[+]

urn:sha256:cd2f9e183ef33869e8729e577ccf705fc772bfab00c23cef34aed39845b8faa1
Download URL:

https://repository.library.noaa.gov/view/noaa/31827/noaa_31827_DS1.pdf
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Interannual and Spatial Variability in Maturity of Walleye Pollock Gadus chalcogrammus and Implications for Spawning Stock Biomass Estimates in the Gulf of Alaska

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