Acoustic Vessel-of-Opportunity (AVO) index for midwater Bering Sea walleye pollock, 2021

Stienessen, S. C.; Honkalehto, T.; Lauffenburger, N. E.; Ressler, P. H.; Britt, L.

doi:10.25923/yw05-c140

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Acoustic Vessel-of-Opportunity (AVO) index for midwater Bering Sea walleye pollock, 2021

2022
By Stienessen, S. C. ; Honkalehto, T. ; Lauffenburger, N. E. ; ...
Series: AFSC processed report ; 2022-03

[PDF-686.67 KB]

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Personal Author:

Stienessen, S. C. ; Honkalehto, T. ; Lauffenburger, N. E. ; Ressler, P. H. ; Britt, L.

Stienessen, S. C. ; Honkalehto, T. ; Lauffenburger, N. E. ; Ressler, P. H. ; Britt, L. Less -
Corporate Authors:

Alaska Fisheries Science Center (U.S.)
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:

An acoustic vessel of opportunity (AVO) index for age 1+ midwater walleye pollock (Gadus chalcogrammus) in the eastern Bering Sea has been estimated since 2006 using backscatter information collected during the annual Alaska Fisheries Science Center bottom trawl (BT) survey. Typically AVO index estimates for two consecutive summers are reported. However, the annual bottom trawl survey was canceled in 2020 due to the COVID-19 pandemic. Only the 2021 AVO index estimate is reported here.
Keywords:

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Acoustic AVO Backscatter Bering Sea Index Pollock Pribilof
Series:

AFSC processed report ; 2022-03
DOI:

https://doi.org/10.25923/yw05-c140
Document Type:

Processed Report
Rights Information:

Public Domain
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Submitted
Main Document Checksum:

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urn:sha256:d6985330e356c801c38b39e64e2cd20dee15c6ff98efa6d15a504313c1d03c40
Download URL:

https://repository.library.noaa.gov/view/noaa/45016/noaa_45016_DS1.pdf
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Acoustic Vessel-of-Opportunity (AVO) index for midwater Bering Sea walleye pollock, 2021

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