CEFAS26-75 ITT for provision of pelagic trawler vessel for the IESNS survey

elandic, Faroe, Norwegian, EU and UK research institutes which has been conducted since 1997. The survey is carried out to investigate distribution and migrations of the Norwegian Spring-spawning herring, blue whiting and other pelagic fish, and to produce a biomass index for herring and a recruitme

nt index for blue whiting. The survey will cover the southern end of the distributional range of the spring-spawning herring population. Furthermore, data on the hydrographic conditions and plankton distribution will be obtained to investig