Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Mara (74MR) |
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Cruise identifier | 11/63 |
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Cruise period | 1963-08-12 — 1963-08-24 |
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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) To obtain further data on the selectivity of Ulstron cod-ends
2) To assess the effect on both catch size and composition of varying the headline height of the trawl
3) To collect live specimens for the laboratory's aqaurium
4) 2 samples of herring were landed for examination at the laboratory
5) Various visitors were accomodated on several days |
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Chief scientist | Michael J D Mowat (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.03 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | close to Aberdeen |
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Measurements | |
Biology and fisheries | |
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Demersal fish | Description: To collect live specimens, 2 samples of herring were landed and a number of live fish collected for the aquarium.
No. of specimens not noted. |
Gear research | Description: In the Aberdeen area futher data was collected on the selectivity of Ulstron cod-ends.
No. of hauls not noted. |
Gear research | Description: To assess the effect of varying headline.
No. of hauls not specified. |