Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Corystes COR4/89

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR4/89
Cruise period1989-04-04 — 1989-04-18
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out plankton surveys using the 76cm High Speed Townet to determine the extent and timing of sole spawning off Trevose Head and the dispersal of spawning products, and to obtain early indicators of bass spawning in the Bristol Channel.
2. To deploy an ARGOS drifting buoy near the centre of sole spawning. The ARGOS drifting buoy was not released due to initial difficulties with signal reception.
3. To carry out a pre-recruit flatfish survey in the Bristol Channel using the commercial 4m beam trawl.
4. To collect gonads from mature soles sampled off Trevose Head.
5. To retrieve 6 current meter rigs laid earlier on CIROLANA 3/89 off Trevose Head.
6. To sample crab larvae using the High Speed Townet around the Cornish Peninsula. Lack of time prevented this.
Chief scientistDavid J Symonds (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corystes COR4/89 cruise report co4_89.pdf — access key 'C' (0.12 MB) 
Ocean/sea areas 
GeneralBristol Channel
SpecificBristol Channel and West English Channel
Track chartsRV Corystes COR4/89 cruise track — trk3513.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 58
Description: with salinity at surface only
Current metersQuantity: number of recoveries = 8
Description: recovered with 40 days of data.
Surface drifters/drifting buoysQuantity: number of deployments = 500
Description: Sea-bed drifters
Biology and fisheries 
PhytoplanktonQuantity: number of samples = 109
ZooplanktonQuantity: number of samples = 109
Demersal fishQuantity: number of hauls = 39
Description: 4m beam trawls.