Cruise inventory

FRV Explorer 1/78

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier1/78
Cruise period1978-01-20 — 1978-01-24
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) To carry out mid-water trawling to identify pelagic fish echo traces in collaboration with FRV ''Scotia'' in the north western North Sea
2) Samples of 1+ whiting stomachs were collect for analysis at the laboratory
Chief scientistJ A Gauld (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 1/78 cruise report explorer1_78.pdf — access key 'C' (0.71 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSt. Abbs Head, Grangemouth, Dunbar, Forth estuary, Montrose
Track chartsFRV Explorer 1/78 cruise track — trk2253a.html FRV Explorer 1/78 cruise track — trk2253b.html
Measurements 
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 8
Description: survey using a 600 HP small Gadoid mid-water trawl with a 16 mm knotted nylon cod-end. Hauls were of 1- 2 hours duration made at depths ranging from 3 m below the surface by night, to 3 m off the bottom by day:population structures,biomass etc. studies
Acoustic reflection on marine organisms.Quantity: 8