Cruise inventory

FRV Explorer 9B/68

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier9B/68
Cruise period1968-11-06 — 1968-11-23
StatusCompleted
Port of returnLeith, United Kingdom
PurposeResearch
Objectives1) Trawling survey of the west coast of Scotland
2) A search was made for current meter buoys and drogues set in position by the hydrographic section SE of Ythan

''Explorer'' anchored in Cromarty for repairs. Strong winds over Minch, outer Hebrides, west of Harris and on the edge of the shelf meant stations could not be worked in these locations. The ship put into Campbeltown on the 20/11/1968 to disburse fortnightly pay to the crew
Chief scientistRichard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Rodney Jones (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 9B/68 cruise report explorer9_68.pdf — access key 'C' (0.23 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSE of Ythan, Pentland Firth, W of Orkney, Rona, Sulisker, upper and lower Minches, Clyde Sea area, Stanton Bank, SW of Barra Head
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 24
Description: T surface only (data for both parts of the cruise)
Chemical oceanography 
Oxygen
Phosphate
Nitrate
Silicate
Biology and fisheries 
ZooplanktonQuantity: number of stations = 24
Description: Multidepth indicator samples were taken at most stations SMBA Edinburgh. (data for both parts of the cruise)
Demersal fishDescription: 1 hour trawls made with the 48 ft Granton trawl of courlene, with rubber bobbins, and a small mesh cover. Haddock, whiting, cod, hake, ling, saithe and T. esmarkii were the principal species recorded. Dogfish were present in small numbers in all hauls. (data for both parts of the cruise)
Exploratory fishingDescription: 1 hour trawls made with the 48 ft Granton trawl of courlene, with rubber bobbins, and a small mesh cover. Haddock, whiting, cod, hake, ling, saithe and T. esmarkii were the principal species recorded. Dogfish were present in small numbers in all hauls. (data for both parts of the cruise)