Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Corella (74CX) |
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Cruise identifier | 4/70 |
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Cruise period | 1970-04-07 — 1970-04-20 |
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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 | Fisheries |
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Objectives | 1. To investigate by means of echo-survey and mid-water trawling the
distribution of sprat shoals off the northeast and east coasts of
England, over the Southern Bight and along the English Channel.
2. As well as normal biological sampling, additional rnaterial will also
be collected for fecundity studies and muscle estorase analysis.
3. Herring will also be sampled when taken and the incidence of
nematode infection examined.
4. Continuous surface temperature observations will be made using a
thermistor and paper recorder. |
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Chief scientist | P O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.12 MB) |
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Ocean/sea areas | |
General | North Sea |
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Measurements | |
Physical oceanography | |
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Water bottle stations | Description: T surface only |
Biology and fisheries | |
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Pelagic fish | Quantity: number of surveys = 9 Description: invest.of shoals with echo sounder |
Acoustic reflection on marine organisms. | Quantity: number of surveys = 9 Description: invest.of shoals with echo sounder |
Meteorology | |
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Other meteorological measurements | Description: sea and swell |