RV Corella 12/73
Cruise summary report
|Ship name (ship code)||RV Corella (74CX)|
|Cruise period||1973-08-14 — 1973-08-28|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To determine the efficiency of the Granton trawl by extending the series of experiments carried out on Cruises CORELLA 19 and 18, 1971; 15, 16, 17, 18, 1972; and 3, 1973.
2. To collect 30+ live large plaice for use as targets on this cruise and for return to the laborabory for future sector scanning cruises.
3. To collect dab gonads and pituitary glands for histological examination.
4. To collect live dabs and whole frozen dabs for return to the laboratory.
|Chief scientist||Brian C Mumford (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.12 MB)|
|Specific||Gt Silver Pits, Outer Rough area, Den Helder, Brown Bank area, Smiths Knoll|
|Biology and fisheries|
|Demersal fish||Quantity: number of specimens = 8|
Description: Marked plaice transferred to 'Clione'
|Demersal fish||Quantity: number of hauls = 5|
Description: Trawl hauls made in the Smiths Knoll area, 50 live dabs were collected and later returned to the laboratory
|Demersal fish||Quantity: number of hauls = 20|
Description: Trawl hauls in the Gt Silver Pits, 45+ live plaice collected and later returned to the laboratory
|Taggings||Quantity: number of specimens = 11|
Description: Plaice acoustically tagged. 33 attacks made, 28 judged as valid attacks, 9 of the plaice were recaptured