Cruise summary report
Cruise Info. | |
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Ship name | Solstice |
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Cruise identifier | 0993H |
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Cruise period | 1993-07-19 — 1993-08-14 |
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Status | Completed |
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Port of departure | Gairloch, United Kingdom |
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Purpose | Research |
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Objectives | 1. To continue the 1992 trials to assess the survival of commercial species of fish escaping from a typical 500/600 hp bottom trawl fitted with 70, 90, 100 and 100mm diamond mesh cod-ends.
2. To measure the selectivity characteristics of each "test" cod-end using hooped covers and to assess the scale damage sustained by escaping fish. |
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Chief scientist | G I Sangster (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory) |
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Cruise report | (0.06 MB) |
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Measurements | |
Biology and fisheries | |
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Demersal fish | Quantity: number of hauls = 1 Description: A trawl took palce and all the contents of the net was transferred at depth into the fish transport container. |
Demersal fish | Description: The fish were then monitored using divers to remove the dead fish and to feed those still alive. |
Demersal fish | Quantity: number of measurements = 1 Description: The fish were then towed at a constant 20m depth to the cage site. |
Gear research | Quantity: activity duration in days = 1 Description: A dummy run was conducted of the fish escape collection, to familiarise staff with the new methods. |