European Directory of Marine Environmental Data (EDMED)

Data set information

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General
Data set name

MAFF DFR International 4th Quarter Bottom Trawl Survey Data Set (1991-1996)

Data holding centreCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
CountryUnited Kingdom  United Kingdom
ProjectINTERNATIONAL BOTTOM TRAWL SURVEY (IBTS) - FRANCE(IBTS)
Time periodFrom 1991 to 1996 (October to November each year)
OngoingNo
Geographical area

North Sea

Observations 
Parameters

Fish morphology, age and physiology; Fish abundance in water bodies; Fish taxonomy-related abundance per unit area of the bed; Fish taxonomy-related counts; Litter abundance and type; Salinity of the water column; Temperature of the water column

Instruments

Pelagic trawl nets; salinity sensor; manual biota samplers

Description 
Summary

Surveys were primarily designed to determine the distribution and abundance of demersal fish and to monitor environmental parameters. The grid comprises 73 trawl positions. Temperature and salinity observations are taken at each trawl position. This survey is part of an ICES co-ordinated programme.

OriginatorsCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
Data web sitehttp://www.cefas.co.uk/
Availability 
OrganisationCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
AvailabilityLicence
ContactContracts Office, CEFAS, Lowestoft
Address

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
Pakefield Road
Lowestoft
Suffolk
NR33 OHT
United Kingdom

Telephone+44 1621 562244
Facsimile+44 (0)1502 513865
Administration 
Collating centreBritish Oceanographic Data Centre
Local identifier1029052
Global identifier431
Last revised2009-05-22