FRV Clupea 0393C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1993-02-10 — 1993-03-03|
|Port of departure||Fraserburgh, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. To assess significance of light levels in determining night and day selectivity mechanisms effecting fish in cod-ends.
2. To observe the behaviour of fish in cod-ends at night using the TUV fitted with the Simrad scanning sonar and flash camera.
3. To assess small fish escape routes at night using small mesh pocket covers.
|Chief scientist||Clem S Wardle (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)|
|Cruise report||(0.03 MB)|
|Biology and fisheries|
|Other biological/fisheries measurement||Description: Comparing fish behaviour in cod-ends during light and dark conditions.|
|Other biological/fisheries measurement||Description: Flash camera used to observe fish behaviour in cod-ends at night.|