Estimate the spawning stock abundance of Blue Whiting using acoustic methods. A pelagic trawl (5600 meshes), fitted out with an inner codend of 20 mm meshes,
will be used for identifying the echotraces.
Sascha M Fassler (Institute for Marine Resources and Ecosystem Studies, IJmuiden)
ICES International Blue Whiting Survey
International Council for the Exploration of the Sea (ICES)