Mid-water trawls, like the one shown here, will be used in conjunction with bioacoustic profiling to study the fishes and invertebrates of Astoria Canyon. Image courtesy of Lewis and Clark 2001, NOAA/OER.
Mid-water trawls, like the one shown here, will be used in conjunction with bioacoustic profiling to study the fishes and invertebrates of Astoria Canyon. Image courtesy of Lewis and Clark 2001, NOAA/OER.