Results of the 2010 eastern Bering Sea upper continental slope survey of groundfish and invertebrate resources

Hoff, Gerald Raymond, 1962-; Britt, L. L.

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Results of the 2010 eastern Bering Sea upper continental slope survey of groundfish and invertebrate resources

2011
By Hoff, Gerald Raymond, 1962- ; Britt, L. L.
Series: NOAA technical memorandum NMFS-AFSC ; 224

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Alternative Title:

2010 eastern Bering Sea upper continental slope survey of groundfish and invertebrate resources
Personal Author:

Hoff, Gerald Raymond, 1962- ; Britt, L. L.

Hoff, Gerald Raymond, 1962- ; Britt, L. 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:

"The results of the 2010 Alaska Fisheries Science Center's (AFSC) bottom trawl survey of the groundfish and invertebrate resources of the eastern Bering Sea upper continental slope (EBSS) is presented. The 2010 EBSS survey is the fourth standardized biennial groundfish bottom trawl survey of this region. Two hundred successful survey bottom trawls were conducted from 200 to 1,200 m on the eastern Bering Sea slope. The survey area stretched from Unalaska and Akutan Island in Alaska (54° N) to the U.S.-Russian border at 61° N. Sampling was stratified by six subareas running south to north and by five depth stratum within each subarea. Stations were chosen randomly and target sampling density was proportional to the area (km²) in each subarea and depth stratum. Mean sampling density was approximately one tow per 204 km². This report provides estimates of biomass in metric tons (t), population number, and catch per unit effort (CPUE; no./ha and kg/ha) for all species identified on the survey. Size frequencies (42 species) and CPUE distribution plots (43 species) are presented for the most abundant species or species of commercial and ecological interest. The largest biomass of fish and invertebrate species, respectively, were giant grenadier (Albatrossia pectoralis), Pacific ocean perch (Sebastes alutus), arrowtooth flounder (Atheresthes stomias), popeye grenadier (Coryphaenoides cinereus), shortspine thornyhead (Sebastolobus alascanus), deep sea papillate sea curcumber (Pannychia moseleyi), the brittlestar (Ophiacantha normani), and the calypipe sponge (Aphrocallistes vastus)"--P. iii.
Content Notes:

by G.R. Hoff and L.L. Britt.

"May 2011."

Also available online in PDF.

Includes bibliographical references (p. 265-266).
Keywords:

[+]

Catch Effort Fisheries Fishery Resources Fish Populations Fish Stock Assessment Fish Surveys Trawls And Trawling
Series:

NOAA technical memorandum NMFS-AFSC ; 224
Document Type:

Technical Memorandum
Place as Subject:

Bering Sea
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:c4f00bd6fca52e1985d16acb4f3a415e75d2801defa3ca12488533d630e86b66
Download URL:

https://repository.library.noaa.gov/view/noaa/3834/noaa_3834_DS1.pdf
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Results of the 2010 eastern Bering Sea upper continental slope survey of groundfish and invertebrate resources

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