Cruise inventory

RV Corystes COR2/02

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR2/02
Cruise period2002-04-08 — 2002-04-14
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To catch and tag cod with coded acoustic pingers and to deploy new CEFAS
data transmitting sonar buoy to monitor their subsequent residence within the
vicinity of the Indefatigable Bank.
2. To use acoustic & fishing survey methods to estimate the abundance and
distribution of sandeels on sandeel fishing grounds on the western Dogger
Bank.
3. To use fishing survey methods to estimate the abundance and distribution of
predatory fish feeding on sandeels on the sandeel fishing grounds on the
western Dogger Bank.
4. To use QTC to describing sediment type in relation to sandeel distribution and
abundance.
5. To carry out a shipboard experiment to determine gut evacuation rates of
sandeels.
Chief scientistJulian David Metcalfe (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR2/02 cruise report co02_02.pdf — access key 'C' (0.22 MB) 
Ocean/sea areas 
GeneralNorth Sea
Measurements 
Physical oceanography 
CTD stationsDescription: taken regularly along acoustic survey grid
Surface drifters/drifting buoysQuantity: number of deployments = 1
Description: data transmitting sonar buoy
Biology and fisheries 
PhytoplanktonDescription: plankton samples taken along acoustic survey grid
ZooplanktonDescription: plankton samples taken along acoustic survey grid
Pelagic fishQuantity: number of hauls = 9
Description: Granton trawl, including: haddock and whiting
Demersal fishQuantity: number of hauls = 9
Description: Granton trawl, including: cod and gurnard
Demersal fishQuantity: number of hauls = 54
Description: dredge survey for sandeels
Other biological/fisheries measurementQuantity: number of samples = 20
Description: stomach contents from each of haddock, whiting and gurnard from every haul
Geology and geophysics 
DredgeQuantity: number of hauls = 54
Description: dredge survey for sandeels
Multi-beam echosoundingQuantity: number of surveys = 3
Description: acoustic survey