Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Corella (74CX) |
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Cruise identifier | 12/75 |
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Cruise period | 1975-08-01 — 1975-08-13 |
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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 evaluate with CLIONE the efficiency of the Granton trawl rigged with a door-to-door tickler chain, for plaice.
2. To tow an acoustic target (caterpillar) for sector scanner resolution and detection calibrations.
3. Trials of a 30" TTN-fitted with a new nose cone and towing arrangement.
4. To collect fish samples from various grounds for metal analysis (Dr Portman).
5. Collection of dab tissue for light and electron microscopy (Mr Bye).
6. To collect a dinoflagellate sample for Dr Dodge and a copepod sample for Mrs Thompson. |
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Chief scientist | I L Davies (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.17 MB) |
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Ocean/sea areas | |
General | North Sea |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Bathythermograph | Quantity: number of deployments = 7 Description: mechanical |
Water bottle stations | Quantity: number of stations = 7 Description: S surface only |
Current meters | Quantity: number of recoveries = 1 |
Surface drifters/drifting buoys | Quantity: number of deployments = 98 Description: cards |
Contamination | |
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Contaminants in organisms | Description: frozen fish and tissue samples |
Biology and fisheries | |
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Phytoplankton | Quantity: number of samples = 6 Description: phytoplankton and copepods at Smith's Knoll |
Phytoplankton | Quantity: number of surveys = 1 Description: samples across S North Sea |
Zooplankton | Quantity: number of samples = 6 Description: phytoplankton and copepods at Smith's Knoll |
Gear research | Description: caterpillar tows for acoustic detection by RV Clione |
Gear research | Quantity: number of deployments = 85 Description: trawling attacks on acoustically tagged flatfish |