RV Corystes COR12b/00
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Corystes (74RY) |
| Cruise identifier | COR12b/00 |
| Cruise period | 2000-09-12 — 2000-10-03 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Educational |
| Objectives | 1. To carry out a beam-trawl survey of groundfish in the Irish Sea, Bristol Channel and Celtic Sea to i) obtain fisheries independent data on the distribution and abundance of commercial flatfish species, and ii) derive age compositions of sole and plaice for use in the assessment of stock size.
2. To collect biological data including maturity and weight at age of sole, plaice and lemon sole. 3. To determine the distribution and relative abundance of juvenile and adult sole and plaice. 4. To quantify the seabed sediments and epibenthos using 2m and 4m beam trawl by-catch, remote acoustic seabed discrimination system (QTC) and Day grab. 5. To collect fish samples in support of other CEFAS projects and training courses. 6. To collect biological data on the reproductive cycle and population genetics of the bryozoan genus, Alcyonidium. 7. To collect surface sea-water samples for processing on return to Lowestoft for the analysis of tritium. |
| Chief scientist | Stuart Ian Rogers (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Cruise report |  (0.21 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel Bristol Channel Celtic Sea |
| Specific | West shelf seas of England and Wales |
| Measurements | |
| Biology and fisheries | |
| Zoobenthos | Quantity: number of hauls = 32 Description: Fully quantified samples of demersal macrobenthos taken using 2m beam trawl |
| Demersal fish | Quantity: number of hauls = 97 Description: Length and weight of demersal fish fauna at stations (sample area 10-15 HA) using 4 m beam trawl |
| Crustaceans | Quantity: number of hauls = 32 Description: Fully quantified samples of demersal macrobenthos taken using 2m beam trawl |
