Cruise inventory

RV Corystes COR12b/00

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR12b/00
Cruise period2000-09-12 — 2000-10-03
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeEducational
Objectives1. 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 scientistStuart Ian Rogers (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR12b/00 cruise report co12b_00.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Bristol Channel
Celtic Sea
SpecificWest shelf seas of England and Wales
Measurements 
Biology and fisheries 
ZoobenthosQuantity: number of hauls = 32
Description: Fully quantified samples of demersal macrobenthos taken using 2m beam trawl
Demersal fishQuantity: number of hauls = 97
Description: Length and weight of demersal fish fauna at stations (sample area 10-15 HA) using 4 m beam trawl
CrustaceansQuantity: number of hauls = 32
Description: Fully quantified samples of demersal macrobenthos taken using 2m beam trawl