Results of the acoustic-trawl surveys of walleye pollock (Gadus chalcogrammus) in the Gulf of Alaska, February-March 2017 (DY2017-01, DY2017-02, and DY2017-03).

McCarthy, Abigail L.; Stienessen, Sarah; Levine, M.; Jones, Darin

doi:10.7289/V5/AFSC-PR-2018-04

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Results of the acoustic-trawl surveys of walleye pollock (Gadus chalcogrammus) in the Gulf of Alaska, February-March 2017 (DY2017-01, DY2017-02, and DY2017-03).

Published Date:

2018

Series:

AFSC processed report ; 2018-04

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Results of the acoustic-trawl surveys of walleye pollock (Gadus chalcogrammus) in the Gulf of Alaska, February-March 2017 (DY2017-01, DY2017-02, and DY2017-03).

Details:

Personal Author:

McCarthy, Abigail L. ; Stienessen, Sarah ; Levine, M. ; Jones, Darin ;

NOAA Program & Office:

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

Description:

Scientists from the Midwater Assessment and Conservation Engineering (MACE) Program of the Alaska Fisheries Science Center's (AFSC) Resource Assessment and Conservation Engineering (RACE) Division conducted acoustic-trawl (AT) stock assessment surveys in the Gulf of Alaska (GOA) during late winter and early spring 2017 to estimate the distribution and abundance of walleye pollock (Gadus chalcogrammus) within several of their main spawning grounds. These pre-spawning pollock surveys covered the Shumagin Islands, Sanak Trough, and Morzhovoi and Pavlof bays (DY2017-01; 8-14 February), the Kenai Bays, Prince William Sound, and Hinchinbrook Trough and Middleton Island areas (DY2017-02; 2-9 March), and Shelikof Strait, the shelf break near Chirikof Island, and Marmot Bay (DY201703; 14-26 March).

Keywords:

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DOI:

https://doi.org/10.7289/V5/AFSC-PR-2018-04

Document Type:

Technical Report

Place as Subject:

North Pacific Ocean

Rights Information:

Public Domain

Main Document Checksum:

[+]

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Results of the acoustic-trawl surveys of walleye pollock (Gadus chalcogrammus) in the Gulf of Alaska, February-March 2017 (DY2017-01, DY2017-02, and DY2017-03).

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