Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Corella (74CX) |
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Cruise identifier | 8/67 |
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Cruise period | 1967-11-13 — 1967-11-24 |
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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 | Fisheries |
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Objectives | 1. To tag large mature cod in the Western Central North Sea, in order
to try to establish their spawning grounds.
2. To obtain cod blood samples from fish in this stock for Dr. Jamieson's
immuno-genetic studies.
3. To survey 0-group cod in the area between the western edge of Dogger
Bank and the English coast.
4. A range of sizes of cod from those used for blood samples were brought back for echo-sounder trials at the laboratory
5. All plaice caught were measured and their sex and maturity recorded and the few soles caught were tagged and released |
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Chief scientist | J G K Harris (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.11 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Brucey's Garden, Bayman's Hole, Farne Deeps, the Gut and NW Rough, SW and S edges of the Dogger, grounds from Skate hole to the Tail End, Smith's Knoll and Silver Pits |
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Measurements | |
Biology and fisheries | |
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Pelagic fish | Quantity: number of specimens = 30 Description: 0-group cod survey: Cod caught |
Pelagic fish | Quantity: number of hauls = 1 Description: Haul for live fish for the laboratory tanks made off Smiths Knoll |
Demersal fish | Quantity: number of hauls = 1 Description: Haul for live fish for the laboratory tanks made off Smiths Knoll |
Demersal fish | Quantity: number of samples = 90 Description: Cod blood samples taken from those fish which were unsuitable for tagging |
Taggings | Quantity: number of specimens = 124 Description: Cod tagged. |
Gear research | Quantity: number of experiments = 3 Description: Warp meters were tested on 3 occasions |