FRV Scotia 12/81
Cruise summary report
|Ship name (ship code)||FRV Scotia (749S)|
|Cruise period||1981-12-04 — 1981-12-21|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. 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 scientist||Martin Walsh (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.16 MB)|
|Specific||Northwestern North Sea|
|Biology and fisheries|
|Zooplankton||Quantity: number of samples = 16|
|Demersal fish||Quantity: number of hauls = 20|
|Gear research||Description: Comparing fishing performance of GOV trawl to multi-level trawl.|