FRV Scotia 12/81

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier12/81
Cruise period1981-12-04 — 1981-12-21
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To investigate catch rates of Norway pout and bycatch species at different bottom depths within the prescribed sampling area using a GOV bottom trawl.
2. To investigate differences in bycatch rates in different strata of a horizontally divided bottom trawl in areas where catches of mixed Norway pout and other gadoids are found.
3. To investigate depth distribution and behaviour of Norway pout and other gadoids in relation to trawls by the use of appropriate photographic techniques.
4. To investigate feeding selectivity in Norway pout by comparison of stomach contents with plankton samples taken in the same area.
Chief scientistMartin Walsh (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 12/81 cruise report sc12_81.pdf (0.16 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorthwestern North Sea
Track chartsFRV Scotia 12/81 cruise track — trk2706.html
Biology and fisheries 
ZooplanktonQuantity: number of samples = 16
Demersal fishQuantity: number of hauls = 20
Gear researchDescription: Comparing fishing performance of GOV trawl to multi-level trawl.