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Cruise inventory

RV Cefas Endeavour 15/06

Cruise plan

Cruise Info. 
Ship name (ship code)RV Cefas Endeavour (74E9)
Cruise identifier15/06
Cruise period2006-08-12 — 2006-09-14
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out a groundfish survey of the North Sea as part of the ICES coordinated IBTS, using a standard GOV trawl in order to obtain information on:
a) Distribution, size composition and abundance of all fish species caught.
b) Age - length distribution of selected species.
c) Distribution of fish in relation to their environment.
d) Distribution of macrobenthos and anthropogenic debris.
e) Surface and bottom temperature and salinity data using CTD.
f) Length weight & maturity information using individual fish measurements, in support of the EU Data Regulation.

2. To collect acoustic data at two operating frequencies (38 kHz and 120 kHz) continuously throughout the cruise. Data recorded from the 38 kHz transducer will be combined with GOV trawl data and an estimate of total abundance made for roundfish species. This work will form part of a three year project (CATEFA) aimed at examining the relationships between trawl catches and acoustic data.

3. To trial new equipment, EM3002, collecting acoustic data for 3D presentation of fish in the water column. To calibrate the echo sounders at a convenient place during the survey.

4. To collect fish white muscle and queen scallop tissue for stable isotope analysis, as part of an ongoing study on the effects of fishing in the North Sea (S Jennings, CEFAS Lowestoft).

5. To carry out 6 hard ground tows of the NE coast using the modified rock-hopper GOV.
Chief scientistBrian F M Harley (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Coordinating bodyCEFAS
Cruise programmeRV Cefas Endeavour 15/06 cruise programme endeavour15_06.pdf — access key 'C' (0.02 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea