Cruise inventory

FRV Explorer 4/80

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier4/80
Cruise period1980-03-14 — 1980-04-02
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
ObjectivesTo participate in a joint Franco-Scottish survey on demersal fish stocks on the continental shelf to the west of Scotland and at Rockall Bank.

On the 23/03/1980 ''Explorer'' put into Stornoway and disembarked Dr Hislop, afterwards proceeding with the cruise. The ship was forced to dock at Campbeltown for medical and domestic reasons till the 29/03/1980 where it proceeded to Troon to pick up 2 new officers. After trawling for herring the ship returned to Troon on the 30/03/1980. Explorer then resumed her young fish survey duties.

A number of spawning herring were required to provide fertilized eggs for experiments at Poolwe. The gonads were stripped and transplanted to Poolwe by car from Troon. Other samples were returned to the laboratory by request. The stomachs of dogfish were examined.
Chief scientistAndrew W Newton (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
ProjectFranco-Scottish Survey
Coordinating bodyICES
Cruise reportFRV Explorer 4/80 cruise report explorer4_80.pdf — access key 'C' (4.34 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
SpecificW. Scotland, Rockall Bank, NW coast of Ireland, Clyde, NW of Barra Head, Broad Bay, North Minch
Track chartsFRV Explorer 4/80 cruise track — explorer4_80trk.pdf (00 MB) 
Measurements 
Contamination 
Trace metalsQuantity: 3
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 30
Description: monitoring,pathology of haddock, whiting and herring
Demersal fishQuantity: number of hauls = 30
Description: monitoring,pathology of haddock, whiting and herring
TaggingsQuantity: 6
Description: 127 dogfish were tagged
Other biological/fisheries measurement