RV Cefas Endeavour 16B/07
Cruise summary report
|Ship name (ship code)||RV Cefas Endeavour (74E9)|
|Cruise period||2007-08-26 — 2007-09-08|
|Port of departure||Leith, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
1. 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 SAIV miniCTD.
f) Length weight & maturity information using individual fish measurements, in support of the EU Data Regulation.
2. To collect photographs and sections of ovaries from cod, whiting, haddock and saithe for the 'The workshop on Sexual Maturity Staging of Cod, Whiting, Haddock and Saithe (WKMSCWHS)'(R Bucholtz, DIFRES).
3. To carry out replicate day grabs for DECAMONITOR project at NMMP 446 in the Thames estuary for Philippe Bersuder.
4. To collect selected species for isotope analysis for PhD student Ben Kuerten, at 3 stations in the southern North Sea.
Narrative (All times GMT)
With a change of staff and, with Barbara Bland from the National Board of Fisheries, Institute of Marine Research, Lysekil, Sweden and Adam Waugh from the Environment Agency joining us, the vessel sailed from Aberdeen late on 25 August to steam eastwards to recommence the survey at prime station 33 after breakfast on 26 August. In poor weather, 3 stations were fished that day and the vessel then steamed 120 nm south overnight to start fishing on prime station 15 on the Dogger Bank the next morning. After carrying out the miniCTD cast, the trawl was deployed. Once the gear was on the bottom, the headline settled at 1m below the expected value. The gear was immediately hauled to check whether the 'kite' had fouled. Nothing obvious was seen to be wrong so the gear was redeployed; the headline remaining low. Once again, the gear was hauled. On recovery, it was noted that
|Chief scientist||Brian F M Harley (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)|
|Cruise report||(0.22 MB)|
|Track charts||(00 MB)|