Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Mara (74MR) |
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Cruise identifier | 2/77 |
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Cruise period | 1977-02-28 — 1977-03-18 |
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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. To make instrument and TV observations of the performance of both the Lossie and Boris Mystic trawls working in the transition from smooth sand to rough bottom.
2. To observe the behaviour of various trawl boards working from smooth sand to rough ground at various towing speeds.
3. To measure the sand cloud generation by trawl boards towing at various speeds.
4. To observe the reaction of trawl boards encountering underwater obstructions. |
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Chief scientist | John Main (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.11 MB) |
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Ocean/sea areas | |
General | North Sea |
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Measurements | |
Biology and fisheries | |
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Gear research | |