RV Corystes COR1/04

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR1/04
Cruise period2004-02-17 — 2004-03-09
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out plankton surveys in the North Sea to determine cod and plaice spawning. The identification of cod-like eggs will be undertaken using a recently developed genetic approach.
2. To undertake CTD profiles for the characterisation of the water column.
3. To collect some additional plankton samples to test the fixation and buffering capacity of sodium glycerophosphate in 4 percent formaldehyde to reduce damage to DNA for potential use of samples in genetic analyses.
Chief scientistClive James Fox (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Coordinating bodyICES
Cruise reportRV Corystes COR1/04 cruise report cory01_04.pdf (0.32 MB) 
Ocean/sea areas 
GeneralNorth Sea
Track chartsRV Corystes COR1/04 cruise track — cory1_04trk.pdf (0.30 MB) 
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of samples = 46
Description: Surface salinity
CTD stationsQuantity: number of hauls = 138
Description: CTD profile on each plankton station taken with Guildline CTD mounted on plankton sampler
Biology and fisheries 
Eggs and larvaeQuantity: number of hauls = 138
Description: Double oblique haulwith GULF VII high-speed plankton sampler, 270 um mesh net