Cruise inventory

FRV Explorer 5B/68

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier5B/68
Cruise period1968-06-20 — 1968-07-07
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) To work the new standard Faroe-Shetland hydrographic lines and to carry out a routine trawling survey at Faroe.
2) Sedimentation samples were collected in connection with the mussel toxicity investigation
3) A sample of cod from each catch was examined for worms
4) All whiting were preserved for laboratory examination
5) A bridge echo-sounder was used to make an annotated record of the profiles of both the hydrographic lines.

A short break in Klakksvik was made where the electric winches were repaired
Chief scientistRichard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 5B/68 cruise report explorer5_68.pdf — access key 'C' (0.31 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificSule Skerry, Faroe-Shetland Channel, north of Sydero, Moray Firth
Physical oceanography 
Water bottle stationsQuantity: number of stations = 20
Description: Temperature and salinities were taken only on the 2 hydrographic tranverses of the Faroe-Shetland Channel
Chemical oceanography 
OxygenQuantity: 6
PhosphateQuantity: 6
NitrateQuantity: 6
SilicateQuantity: 6
Biology and fisheries 
PhytoplanktonQuantity: 20
ZooplanktonQuantity: 20
Demersal fishQuantity: number of hauls = 41
Description: 1 hour duration: 20 with a manilla trawl; 21 with a courlene trawl. Haddock was the dominant species in most of the hauls. Cod, saithe, whiting, lemon sole, plaice, halibut and skate were also caught