FRV Explorer 5A/67

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier5A/67
Cruise period1967-05-31 — 1967-06-10
Port of departureAberdeen, United Kingdom
Port of returnGreenock, United Kingdom
Objectives1) Preliminary trawling and gear testing work.
2) Hydro and Plankton stations were worked on route. Hydrographic sampling for temperatures, salinities and phosphates were taken at all standard depths from 0-200 m.
3) An intensive plankton survey for blue whiting larvae took place.
4) Underwater camera was fitted to the headline of the trawl whenever conditions were suitable. It was also used to identify the organisms producing a midwater trace off the southern edge of Rockall.
5) The Marconi Seagraph for most of the echosounding survey, some records were obtained with the expanded scale recorder

Mr Ritchie joined ''Explorer'' at Stornoway on the 02/06/1967. Catches included blue whiting, both species of silver smelt, haddock, coalfish, ling, rays, rabbit fish, and corals.
Chief scientistIan G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 5A/67 cruise report explorer5_67.pdf (0.25 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNW of the Butt of Lewis, Rockall Bank
Biology and fisheries 
Pelagic fishDescription: Blue whiting
Demersal fishDescription: Haddock, ling, coalfish