The 2022 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-22-01

Siwicke, K. A.; Malecha, P. W.

doi:10.25923/t4yp-7476

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The 2022 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-22-01

2023
By Siwicke, K. A. ; Malecha, P. W.
Series: NOAA technical memorandum NMFS-AFSC ; 467

[PDF-1.39 MB]

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Personal Author:

Siwicke, K. A. ; Malecha, P. W.

Siwicke, K. A. ; Malecha, P. W. 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:

In 2022, the Alaska Fisheries Science Center completed the 45th annual longline survey in the eastern Aleutian Islands and Gulf of Alaska. The survey sampled demersal waters of the upper continental slope and shelf and provided stock assessment information related to sablefish (Anoplopoma fimbria) and several other groundfish species. The primary objectives of the survey were to determine 1) relative abundance of groundfish species through a standardized longline survey, 2) age composition of sablefish through otolith collection, and 3) movement patterns of selected groundfish species through a tag and recapture program. This report provides a summary of raw data and details of operations from the 2022 longline survey as well as trends observed on the survey over the last 20 years.
Keywords:

[+]

Aleutian Demersal Gulf Of Alaska Longline Otolith Sablefish Survey
Series:

NOAA technical memorandum NMFS-AFSC ; 467
DOI:

https://doi.org/10.25923/t4yp-7476
Format:

PDF
Document Type:

Technical Memorandum
License:

https://creativecommons.org/publicdomain/zero/1.0/
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CC0 Public Domain
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Submitted
Main Document Checksum:

[+]

urn:sha256:f66dd0704a778b939d5bc6a773a45ed58386e33a002ce2020d1b06e56fb8e68d
Download URL:

https://repository.library.noaa.gov/view/noaa/49081/noaa_49081_DS1.pdf
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The 2022 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-22-01

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