EK60 Water Column Sonar Data Collected During DY1604
Acoustic-Trawl Survey of Walleye Pollock in the Gulf of Alaska (DY1604, EK60). The Midwater Assessment and Conservation Engineering (MACE) program of NOAA National Marine Fisheries Service (NMFS), Alaska Fisheries Science Center (AFSC) conducted acoustic-trawl (AT) stock assessment surveys in the Shelikof Strait and …