Recently, krill fishery has concentrated increasingly in the Bransfield Strait, and krill
abundance and ecological characteristics have received much attention. Antarctic krill
(Euphausia superba) presents significant diel vertical migration (DVM) pattern, such studies
were conducted to provide the basic data for exploring the formation mechanism of fishing
ground and the reference for feedback management of krill fishery. Scientific acoustic device
mounted in fishing vessels can reflect directly the distribution and vertical movement of krill …