RV Cefas Endeavour 15/20

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cefas Endeavour (74E9)
Cruise identifier15/20
Cruise period2020-09-20 — 2020-09-30
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom

1. To carry out a 4m beam-trawl survey of groundfish to i) obtain fisheries independent data on the distribution and abundance of commercial flatfish species, and ii) derive age compositions of sole, plaice, cod and whiting for use in stock assessments.
2. To collect biological data including maturity and weight at age of sole Solea solea, plaice Pleuronectes platessa, lemon sole Microstomus kitt and other commercially important finfish species as part of CEFAS' requirements under the EU Data Collection Framework.
3. To determine the distribution and relative abundance of juvenile and adult sole and plaice.
4. To collect surface & bottom temperature/salinity data using CTD and Niskin Bottle.
5. To quantify epibenthos and using 4m beam trawl by-catch.
6. Collect length/weight & maturity information using individual fish measurements, in support of the EU Data Collection Framework.
7. To collect surface sea-water samples for processing on return to Lowestoft for the analysis of tritium.
8. To collect fish samples in support of Cefas and non-Cefas projects and training courses.
9. Retain any dead specimens of diadromous fish for the DiadES Interreg project.
10. Collect chlorophyll samples to test for nutrients from the surface water for the ASMIAC project.
11. Collect plankton sample at the Gabbard smart buoy site.

Narrative in attached cruise report.
Chief scientistStephen Shaw (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise programmeRV Cefas Endeavour 15/20 cruise programme endeavour15_20.pdf  (0.23 MB) 
Cruise reportRV Cefas Endeavour 15/20 cruise report endeavour15_20.pdf (0.61 MB) 
Ocean/sea areas 
GeneralBristol Channel
Celtic Sea
SpecificICES areas VIIf, VIIg