FRV Explorer 2/81

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier2/81
Cruise period1981-02-11 — 1981-03-03
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) To take part in the ICES Young Fish Survey in the North Sea
2) Scientific samples were taken for the Danish Fisheries Institute
3) Catches of cod, haddock and whiting were examined, some preserved for detailed analysis in various Europoean laboratories

Faults in the vessel's 2 radars forced it to anchor from the 11/02/1981 till 14/02/1981
Chief scientistAndrew W Newton (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Coordinating bodyICES
Cruise reportFRV Explorer 2/81 cruise report explorer2_81.pdf (0.20 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
Irish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
SpecificN.W. North Sea, Granton, Dogger Bank, Esbjerg, Danish coast, Southern North Sea, S.E of the Orknay Islands, Moray Firth, Dunnet Bay
Track chartsFRV Explorer 2/81 cruise track — explorer2_81track.pdf (0.05 MB) 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 31
Description: top & bottom
Trace metals
Biology and fisheries 
Eggs and larvaeQuantity: number of hauls = 49
Description: 2 night hauls using the Isaac-Kidd midwater trawl were made for pre-metamorphosis herring larvae in each of the statistical squares sampled
Pelagic fishQuantity: number of hauls = 33
Description: monitoring,pathology
Demersal fishQuantity: number of hauls = 33
Description: GOV trawl to determine principle species occuring in each square sampled