1997 - 1997 Centre for Environment, Fisheries & Aquaculture Science (Cefas) Survey : CIRO 7/97 (part of North Sea Groundfish Survey, Qtr 3 (FSS: IBTS3E; NSGFS))

This survey was undertaken by Cefas as part of the North Sea Groundfish Survey, Qtr 3 (FSS: IBTS3E; NSGFS); 75 core trawl stations are completed annually, to provide distribution and stock composition estimates for fish species. Station, catch, length (all species) and biological data (selected species) are collected using research vessels and GOV trawls. Benthic catches are also recorded. These annual surveys (ongoing) are carried out in support of EU data regulations and as part of the International Bottom Trawl survey. Additional aims include collection of water temperature, salinity and litter data. Survey took place between 12/08/1997 and 09/09/1997 on Cirolana Equipment used during this survey : - Bottle Casts Niskin bottles IBTS standard cast - Otter Trawl GOV 36/47 IBTS spec with 6 Balmoral Kites, 50 floats, metal discs in footrope - Otter Trawl GOV Long Wing 36/47 Standard IYFS Spec. - Pumped Samples Deck Hose Caesium sampling Survey operations were undertaken on 273 stations 151 different species were caught on this survey