1970 - 2004 Centre for Environment, Fisheries & Aquaculture Science (Cefas) North Sea Groundfish Survey, Qtr 1 (FSS: IBTS1E)

Station, catch, length (all species) and biological data (selected species) for each of the annual surveys covering the North Sea using research vessels and GOV trawls in support of EU data regulations and as part of the International Bottom Trawl survey. Additional aims include collection of benthic, water temperature and salinity and litter data.