Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Clione (74CN) |
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Cruise identifier | CLI11/81 |
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Cruise period | 1981-09-03 — 1981-09-20 |
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Status | Completed |
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Port of departure | Lowestoft, United Kingdom |
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Port of return | Lowestoft, United Kingdom |
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Purpose | Research |
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Objectives | 1. To investigate the orientation and behaviour of plaice in relation to bottom topography and near-bed currents using:-
(a) sector scanning sonar and transponding acoustic compass tags.
(b) sector scanning sonar, transponding acoustic tags and divers equipped with a 300 kHz hand held acoustic torch.
(c) direct observation and photography of small plaice confined on the seabed in a cage spanning several small sand ridges.
2. To retrieve spat collecting bags from a marked site in Start Bay and relay scallop spat in Salcombe estuary. |
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Chief scientist | Geoffrey P Arnold (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.15 MB) |
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Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
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Specific | Start Bay |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Current meters | Quantity: number of deployments = 2 Description: 13 hours |
Biology and fisheries | |
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Other biological/fisheries measurement | Description: behaviour |
Geology and geophysics | |
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Bottom photography | Description: Underwater TV used to observe isolated fish in the cage. |