RV Corystes COR11A/97
Cruise summary report
|Ship name (ship code)||RV Corystes (74RY)|
|Cruise period||1997-10-28 — 1997-11-06|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. 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 scientist||Clive G Brown (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)|
|Cruise report||(0.27 MB)|
|Specific||Off English NE coast|
|Track charts||(00 MB)|
|Other physical oceanographic measurements||Quantity: number of deployments = 87|
Description: tows with the sledge mounted TV camera.
|Biology and fisheries|
|Crustaceans||Quantity: number of stations = 36|
|Geology and geophysics|
|Grab||Quantity: number of samples = 87|
Description: sediment samples taken by Day grab at each TV station.
|Long/short range side scan sonar||Description: trial of sidescan sonar.|