Research Brief: 2022 Aleutian Islands Biennial Bottom Trawl Survey
June 6 to August 18, 2022 Aleutian Islands Biennial Bottom Trawl Survey information sheet.
Who is conducting the research?
The Alaska Fisheries Science Center of NOAA Fisheries conducts 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. The Gulf of Alaska-Aleutian Islands Bottom Trawl Survey group is currently chartering the FV Alaska Provider and the FV Ocean Explorer.
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.