Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Mara (74MR) |
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Cruise identifier | 8A/70 |
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Cruise period | 1970-09-14 — 1970-10-02 |
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Status | Completed |
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Port of departure | Buckie, United Kingdom |
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Port of return | Buckie, United Kingdom |
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Purpose | Research |
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Objectives | 1) Further observation and recording of the behaviour of round and flatfish during demersal fishing
2) Recording the change in shape of a 'wing' seine net by means of instrument records of spread, headline height, and photographs of warp divergence determining the warp tensions developed during fishing, and the sinking rates and behaviour of the ropes during fishing.
3) Underwater photometry to correlate underwater visibility with fish behaviour
4) Co-operative working with FRV 'Clupea' on sea trials of the 'Towed Underwater Vehicle' mock-up.
The first week of the cruise was based in Buckie, and the second week of the cruise was based in Wick. The final week of the seine net programme was based in Buckie |
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Chief scientist | C C Hemmings (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.13 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Moray Firth, Dornoch Firth |
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Measurements | |
Biology and fisheries | |
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Gear research | Description: instrumented haddock seine trials |