1. To measure the selectivity of 100 and 110mm mesh cod-ends with and without strengthening bags, using hooped small mesh covers.
2. To collect information on landings and discards as part of a study of the economic impact of mesh size on vessel operation.
Jack H B Robertson (Scottish Office Agriculture Environment and Fisheries Department Aberdeen Marine Laboratory)
Stirling, Aberdeen, Turbot and Klondyke Banks and east and northeast of Peterhead