RV Corella 5/81

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier5/81
Cruise period1981-03-31 — 1981-04-14
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To catch spawning sprats (Sprattus sprattus) and to rear artificially fertilised eggs over a range of temperature. To observe and record their development photographically and provide a relationship between temperature and rate of development for use in calculating the seasonal production of sprat eggs.
2. To conduct a survey with the 30 inch high speed plankton sampler, of the western and eastern English Channel, aimed at describing the distribution and abundance of the eggs of the sole (Solea solea).
3. To collect twelve x 25 litre water samples for 137Cs analysis by AEP1.
Chief scientistJohn H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 5/81 cruise report corella5_81.pdf (0.15 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Track chartsRV Corella 5/81 cruise track — trk2672.html
Physical oceanography 
Water bottle stationsQuantity: number of samples = 98
Description: S surface only
Chemical oceanography 
RadioactivityQuantity: number of samples = 12
Description: 25 litre water samples were taken for 137Cs analysis.
Biology and fisheries 
PhytoplanktonQuantity: number of hauls = 101
Description: hauls made with the 30" plankton sampler.
ZooplanktonQuantity: number of hauls = 101
Description: hauls made with the 30" plankton sampler.
Pelagic fishQuantity: number of hauls = 5
Description: pelagic trawls using an 800 Engels trawl.