To assess the survival of commercial species of fish escaping from bottom trawl cod ends as used by the Scottish fleet.
G I Sangster (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Northwest North Sea
Biology and fisheries
Description: Fish were captured, with control fish, 30 whiting and haddock, and introduced to the three seabed cages. Mortality rates of the caught fish were then measured.
No. of measurements not noted.