The 2020 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-20-01

Siwicke, K.; Malecha, P.; Rodgveller, C.

doi:10.25923/zed3-zw98

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The 2020 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-20-01

2021
By Siwicke, K. ; Malecha, P. ; Rodgveller, C.
Series: AFSC processed report ; 2021-02

[PDF-1.10 MB]

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Details:

Personal Author:

Siwicke, K. ; Malecha, P. ; Rodgveller, C.

Siwicke, K. ; Malecha, P. ; Rodgveller, C. Less -
Corporate Authors:

United States. National Marine Fisheries Service ; Alaska Fisheries Science Center (U.S.) ; Auke Bay Laboratories (Juneau, Alaska)

United States. National Marine Fisheries Service ; Alaska Fisheries Science Center (U.S.) ; Auke Bay Laboratories (Juneau, Alaska) 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:

The Alaska Fisheries Science Center has annually conducted a bottom longline survey in Alaska since 1988. The survey samples demersal waters of the upper continental slope and is primarily designed to assess the sablefish (Anoplopoma fimbria) stock, although several other groundfish species are caught and enumerated. In 2020, the 43rd annual longline survey sampled stations in the eastern Aleutian Islands region and the Gulf of Alaska. The primary objectives of the survey were to determine 1) the relative abundance of groundfish species through a standardized longline survey, 2) the age composition of sablefish through otolith collection, and 3) the movement patterns of selected groundfish species through a tag and release program.
Keywords:

[+]

Fish Stock Assessment Groundfish Longlining (Fisheries)
Series:

AFSC processed report ; 2021-02
DOI:

https://doi.org/10.25923/zed3-zw98
Document Type:

Processed Report
Place as Subject:

Alaska, Gulf of (Alaska) ; Aleutian Islands (Alaska) ; North Pacific Ocean

Alaska, Gulf of (Alaska) ; Aleutian Islands (Alaska) ; North Pacific Ocean Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:6dffefee4ef9198f6a25bfedd3febfca5489b7ea396b5c7a210bae4d8c972995
Download URL:

https://repository.library.noaa.gov/view/noaa/28911/noaa_28911_DS1.pdf
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The 2020 longline survey of the Gulf of Alaska and eastern Aleutian Islands on the FV Alaskan Leader: Cruise Report AL-20-01

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