To measure the effect on codend selectivity of fishing season. This is the first of three trips to cover periods when the fish are in poorest and best condition. Target species are haddock and whiting using a 100mm cod-end with 100 open meshes on its circumference.
Jack H B Robertson (Scottish Office Agriculture Environment and Fisheries Department Aberdeen Marine Laboratory)
East of Orkney Islands
Biology and fisheries
Other biological/fisheries measurement
Description: Measuring the effect on codend selectivity of fishing season