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Research Brief: 2022 Aleutian Islands Biennial Bottom Trawl Survey

October 21, 2021

June 6 to August 15, 2022 Aleutian Islands Biennial Bottom Trawl Survey information sheet.

Who is conducting the research?

The Alaska Fisheries Science Center of NOAA Fisheries conducts the biennial bottom trawl surveys aboard contracted commercial fishing vessels. Survey teams consist of commercial fishers and survey scientists including NOAA staff, contractors, and fishery observers.

What is the research objective?

The overall objective to characterize the ecologically and economically important fish, crab, and other resources that live on or near the seafloor. The precise fishing methods of the survey yields observations of species, their densities, and biological characteristics such as length, gender, age, and food habits. These observations are turned into abundance time series used in stock assessments and ecological models.

Last updated by Alaska Fisheries Science Center on 05/10/2022

Alaska Groundfish Research Groundfish Assessment Program Research in Alaska