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U.S. West Coast Groundfish Bottom Trawl Survey

The West Coast Groundfish Bottom Trawl Survey (WCGBTS) is a key source of fishery-independent data used for stock assessments and groundfish management.

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NOAA Ship Bell M. Shimada during 2010 Pacific Hake Inter-Vessel Calibration off Eureka, CA NOAA Ship Bell M. Shimada during 2010 Pacific Hake Inter-Vessel Calibration off Eureka, California. Credit: NOAA