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FRV Clupea 0393C
Cruise summary report
Cruise Info. | |
Ship name (ship code) | FRV Clupea (74CU) |
Cruise identifier | 0393C |
Cruise period | 1993-02-10 — 1993-03-03 |
Status | Completed |
Port of departure | Fraserburgh, United Kingdom |
Port of return | Aberdeen, United Kingdom |
Purpose | Research |
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 | ![]() |
Ocean/sea areas | |
General | North Sea |
Specific | Orkney Islands. |
Measurements | |
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. |