Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 3B/77 |
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Cruise period | 1977-04-15 — 1977-04-30 |
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Status | Completed |
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Port of departure | Aberdeen, United Kingdom |
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Port of return | Aberdeen, United Kingdom |
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Purpose | Trials |
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Objectives | 1) Comparative fishing to assess the catch differential and the composition of a high opening, four panel trawl and a standard commercial trawl
2) To examine whether or not the trawl catch is in proportinal in size and composition between two ships of different HP's fishing gear of the same design but of a size to suit the towing vessel
Fishing was confined to the hours of darkness. ''Clupea'' joined ''Explorer'' in the Balta area on the 20/04/1977 and both ships continued to fish together. |
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Chief scientist | A Corrigall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.06 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Balta Sound, Shetland, |
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Measurements | |
Biology and fisheries | |
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Demersal fish | Quantity: number of hauls = 30 Description: 20 with gear A (four panel) and 10 hauls with gear B (Bolt rope) |
Gear research | Quantity: number of hauls = 30 Description: 20 with gear A (four panel) and 10 hauls with gear B (Bolt rope) |