| EK60 Water Column Sonar Data Collected During DY1202 |
| Southeastern Aleutian Basin (Bogoslof Island) Acoustic-Trawl Survey of Walleye Pollock
(DY1202, 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 Bogoslof Island
area of the southeastern Aleutian Basin during the winter of 2012 to estimate the
distribution and abundance of walleye pollock (Theraga chalcogramma). The surveys
were conducted 5-15 March, departing from Kodiak, Alaska (4 March) and returning to
Kodiak at the end of cruise DY1203 on 27 March; an intermediate personnel transfer
was conducted in Kodiak on 19 March. The surveys were conducted aboard NOAA Ship Oscar
Dyson, a 64 meter stern trawler equipped with acoustic and oceanographic instrumentation. |
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