RV Corystes COR9B/98

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR9B/98
Cruise period1998-09-08 — 1998-09-28
Port of departureSwansea, United Kingdom
Port of returnLiverpool, United Kingdom
Objectives1. To carry out the annual beam-trawl survey of groundfish in the Irish Sea, Bristol Channel and Celtic Sea.
2. To collect data on maturity and weight at age of sole, plaice and lemon sole.
3. To determine the distribution and relative abundance of juvenile and adult sole and plaice.
4. To quantify the seabed sediments and epibenthos using the QTC acoustic seabed discrimination system and trawl by-catch.
5. To collect fish samples in support of other CEFAS projects and training course.
6. To collect and process surface sea water for the analysis of 99Tc and Cs radionuclides as part of the Irish Sea project.
7. To collect sediment cores for analysis of accumulation of 99Tc and Cs radionucclides in the Irish Sea.
8. To collect surface sea water samples for processing on return to Lowestoft for the analysis of tritium.
9. To collect live plaice and sole for transportation by a local fishing boat to the laboratory at Conwy.
Chief scientistMartin R Vince (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR9B/98 cruise report co9b_98.pdf (0.21 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Bristol Channel
Celtic Sea
SpecificIrish Sea, Bristol Channel, Celtic Sea
Track chartsRV Corystes COR9B/98 cruise track — co9b_98track.pdf (0.02 MB) 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: number of hauls = 101
Biology and fisheries 
Demersal fishQuantity: number of hauls = 101
Description: hauls made using the 4m beam trawl.
Geology and geophysics 
Core - soft bottomQuantity: number of stations = 13
Description: Reineck corer