Cruise inventory

RV Corella 12/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier12/73
Cruise period1973-08-14 — 1973-08-28
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. 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 scientistBrian C Mumford (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 12/73 cruise report corella12_73.pdf — access key 'C' (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificGt Silver Pits, Outer Rough area, Den Helder, Brown Bank area, Smiths Knoll
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of specimens = 8
Description: Marked plaice transferred to 'Clione'
Demersal fishQuantity: 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 fishQuantity: number of hauls = 20
Description: Trawl hauls in the Gt Silver Pits, 45+ live plaice collected and later returned to the laboratory
TaggingsQuantity: number of specimens = 11
Description: Plaice acoustically tagged. 33 attacks made, 28 judged as valid attacks, 9 of the plaice were recaptured