| Acoustic-Trawl Survey of Walleye Pollock in the Southeastern Aleutian Basin near Bogoslof
Island (DY0903, EK60) |
| The Midwater Assessment and Conservation Engineering (MACE) program of NOAA National
Marine Fisheries Service (NMFS), Alaska Fisheries Science Center (AFSC) conducted
an acoustic-trawl (AT) stock assessment survey in the Bogoslof Island area of the
southeastern Aleutian Basin during late winter of 2009 to estimate the distribution
and abundance of walleye pollock (Theragra chalcogramma). The survey was conducted
7-13 March, departing from Dutch Harbor, Alaska on 7 March and arriving in Kodiak,
Alaska 15 March. A calibration of the Simrad EK60 echosounder system (the primary
survey instrument) was conducted on 7 March. The survey was conducted aboard NOAA
Ship Oscar Dyson, a 64 meter fisheries research stern trawler equipped with acoustic
and oceanographic instrumentation. |
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