Cruise inventory

RV Corystes COR11A/97

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR11A/97
Cruise period1997-10-28 — 1997-11-06
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To conduct a TV survey of the English NE coast Nephrops grounds using a towed sledge and underwater TV camera to evaluate burrow density and estimate Nephrops biomass in the area 55° 35' - 54° 45' N and 1° 30' - 0° 40' W.
2. To backup the TV survey with a trawl survey to establish the size composition and sex ratio of the Nephrops catch.
3. To collect sediment samples by Day grab to establish the type of substrate most suitable for Nephrops.
Chief scientistClive G Brown (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR11A/97 cruise report co11a_97.pdf — access key 'C' (0.27 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificOff English NE coast
Track chartsRV Corystes COR11A/97 cruise track — co11a_97track.pdf (0.19 MB) 
Physical oceanography 
Other physical oceanographic measurementsQuantity: number of deployments = 87
Description: tows with the sledge mounted TV camera.
Biology and fisheries 
CrustaceansQuantity: number of stations = 36
Geology and geophysics 
GrabQuantity: number of samples = 87
Description: sediment samples taken by Day grab at each TV station.
Long/short range side scan sonarDescription: trial of sidescan sonar.