Cruise inventory

RV Corystes COR1A/91

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR1A/91
Cruise period1991-01-07 — 1991-01-13
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To compare mid-water trawl and bottom trawl catches in terms of composition, quantities and length distributions of major species.
2. To compare predation rates and prey selection in cod, haddock and whiting caught in mid-water and on the bottom. Including, if practical, 24h sampling periods to investigate diurnal patterns.
3. To establish warp, length/depth/spread/height characteristics of the GOV trawl on Corystes.
All the aims were successfully completed.
Chief scientistJohn G Pope (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corystes COR1A/91 cruise report co1a_91.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsRV Corystes COR1A/91 cruise track — trk3688.html
Chemical oceanography 
Other chemical oceanographic measurementsQuantity: number of deployments = 4
Description: uncalibrated CTD sensors: data not retained
Biology and fisheries 
Demersal fishQuantity: number of hauls = 21
Description: stomach analysis
Gear researchQuantity: number of hauls = 12
Gear researchQuantity: number of hauls = 23
Description: using GOV trawl (10) and Engles trawl (13).
Other biological/fisheries measurementQuantity: number of measurements = 13
Description: predation rates/selection