RV Cefas Endeavour 17/05
Cruise summary report
|Ship name (ship code)||RV Cefas Endeavour (74E9)|
|Cruise period||2005-10-24 — 2005-11-04|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To carry out a survey of scallops (Pecten maximus) in an area of the western English Channel (VIIe) to quantify sampling and spatial variability of scallop size and age structures in dredge catches.
2. To characterise sediment types at scallop survey stations using a remote acoustic seabed discrimination system (swathe bathymetry & QTC).
3. To collect data on fish by-catch and epibenthos in scallop dredges.
4. To collect and preserve samples of edible crab tissue for genetic studies to be carried out under contract C2298.
5. To collect water samples from the ships supply for the Defra funded AE001 project (Provision of Advice in Relation to Radiological Matters). Two x 25 litre carboys (for 137Cs analysis) and one x 1 litre polybottle (for 3H analysis) with seawater from the ships supply will be collected at each of 10 stations.
|Chief scientist||Michael Timothy Smith (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)|
|Cruise report||(0.12 MB)|
|Specific||Western English Channel|
|Track charts||(00 MB)|
|Radioactivity||Quantity: number of stations = 9|
Description: Caesium analysis.
|Biology and fisheries|
|Molluscs||Quantity: number of stations = 64|
Description: scallop survey
|Geology and geophysics|
|Single-beam echosounding||Quantity: number of stations = 64|
Description: QTC ground discrimination system run for all stations and for transits between stations.