Distribution, biomass, and demography of coastal pelagic fishes in the California Current Ecosystem during summer 2018 based on acoustic-trawl sampling

Stierhoff, Kevin L.; Zwolinski, Juan P.; Demer, David A.

doi:10.25923/b0bk-0n42

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Distribution, biomass, and demography of coastal pelagic fishes in the California Current Ecosystem during summer 2018 based on acoustic-trawl sampling

2019
By Stierhoff, Kevin L. ; Zwolinski, Juan P. ; Demer, David A.
Series: NOAA technical memorandum NMFS SWFSC ; 613

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Personal Author:

Stierhoff, Kevin L. ; Zwolinski, Juan P. ; Demer, David A.

Stierhoff, Kevin L. ; Zwolinski, Juan P. ; Demer, David A. Less -
Corporate Authors:

Southwest Fisheries Science Center (U.S.)
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

This report provides: 1) a detailed description of the acoustic-trawl method (ATM) used by NOAA’s Southwest Fisheries Science Center (SWFSC) for direct assessments of the dominant species of coastal pelagic species (CPS; i.e., Pacific Sardine Sardinops sagax, Northern Anchovy Engraulis mordax, Pacific Mackerel Scomber japonicus, Jack Mackerel Trachurus symmetricus, and Pacifc Herring Clupea pallasii) in the California Current Ecosystem (CCE) off the west coast of North America; and 2) estimates of the biomasses, distributions, and demographies of those CPS in the survey area between 26 June and 23 September 2018. The survey area spanned most of the continental shelf between the northern tip of Vancouver Island, British Columbia (BC) and San Diego, CA.
Keywords:

[+]

Fishery Management Fish Populations Fish Stock Assessment Trawls And Trawling Underwater Acoustics
Series:

NOAA technical memorandum NMFS SWFSC ; 613
DOI:

https://doi.org/10.25923/b0bk-0n42
Document Type:

Technical Memorandum
Place as Subject:

Pacific Coast (North America)
Rights Information:

Public Domain
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Submitted
Main Document Checksum:

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urn:sha256:ed7d64aff9059d772ee4bcc3433d5e15b509bbd7a37f53a147cf48f8931fb74c
Download URL:

https://repository.library.noaa.gov/view/noaa/19853/noaa_19853_DS1.pdf
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Distribution, biomass, and demography of coastal pelagic fishes in the California Current Ecosystem during summer 2018 based on acoustic-trawl sampling

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