RV Corystes COR7/01

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR7/01
Cruise period2001-07-25 — 2001-08-08
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To undertake a beam trawl survey in the southern North Sea and eastern Channel as part of an international programme to i) obtain fisheries-independent data on the distribution and abundance of commercial flatfish species, and ii) derive age compositions of sole and plaice for use in the assessment of stock size.
2. To collect biological data including maturity and weight at age of commercial flatfish and non-commercial fish by-catch.
3. To collect samples of dab and whiting tissue for nitrogen stable isotope analysis.
4. To carry out a detailed survey of sole distribution in selected areas of VIId.
Chief scientistBrian F M Harley (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR7/01 cruise report cory7_01.pdf (0.05 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
SpecificSouth-east English coast - inshore waters. Baie de seine and coastal waters to Thames Estuary
Track chartsRV Corystes COR7/01 cruise track — cory7_01trk.pdf (0.04 MB) 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: number of profiles = 109
Description: A mini-CTD pod was attached to the 4m beam trawl and temperature and salinity were recorded at each station
Biology and fisheries 
Demersal fishQuantity: number of stations = 109
Description: 4 metre beam trawl stations. Length, weight of all fish species caught. Length, weight, age and maturity of all biological samples taken.