Research Document - 2010/071
Modelling the Cosmos 2600 shrimp trawl
By T.D. Siferd
Abstract
The Cosmos 2600 shrimp trawl is used for Fisheries and Oceans Canada Central and Arctic Region’s multi-species surveys conducted from the Greenland Institute of Natural Resources’ research vessel Paamiut. The Centre for Sustainable Aquatic Resources, Memorial University of Newfoundland, constructed an exact model of the trawl which was tested in their flume tank facility. A mathematical model was produced to determine wing spread from door spread and tow speed. The model is used to normalize catch between stations so that standardized biomass estimates can be produced for stock assessment purposes.
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