Cruise inventory

FRV Explorer 11/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier11/73
Cruise period1973-12-03 — 1973-12-23
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) West coast, north coast and Moray Firth environmental and pre-recruit demersal fish survey
2) Dutch Gulf III samples were taken at all stations, Standard net samples at 5 stations, and a WP3 sample at station 39.
3) Immunodiffusion tests were conducted using serum from infected and uninfected whiting of various age groups

Bad weather interrupted work on the 05/12/1973. Trawling was resumed on the 06/12/1973. ''Explorer'' berthed at Greenock on the 13/12/1973 leaving on the 15/12/1973, and again in Campbeltown on the 15/12/1973 sailing again on the 16/12/1973.
Chief scientistKenneth MacKenzie (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 11/73 cruise report explorer11_73.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralNorth Sea
Inner Seas off the West Coast of Scotland
SpecificMinches, Firth of Clyde, W of outer Hebrides, Moray Firth
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of stations = 19
Description: pump samples S only.
Water bottle stationsQuantity: number of stations = 19
Description: pump samples T surface only.
Chemical oceanography 
PhosphateQuantity: number of stations = 19
Description: Trawling
NitrateQuantity: number of stations = 19
Description: Trawling
AlkalinityQuantity: number of stations = 19
Description: Trawling
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 19
Description: Trawling
Particulate organic matter (inc POC, PON)Quantity: number of stations = 19
Description: Trawling
Pelagic fishQuantity: number of stations = 19
Description: Trawling. 2026 whiting were examined for Gilquinia squali infection. 450 haddock were examined for infection with the cestode parasite Grillotia