Cruise inventory

FRV Explorer 2/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier2/73
Cruise period1973-01-16 — 1973-02-12
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) To take part in an international survey of young herring in the North Sea
Chief scientistDavid W McKay (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 2/73 cruise report explorer2_73.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificEast Orknays, Dogger Bank, Moray Firth, Firth of Forth
Physical oceanography 
Water bottle stationsQuantity: number of stations = 40
Chemical oceanography 
PhosphateQuantity: number of stations = 24
NitrateQuantity: number of stations = 24
SilicateQuantity: number of stations = 23
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 24
PhytoplanktonQuantity: number of stations = 24
Description: counts
ZooplanktonQuantity: number of stations = 18
Pelagic fishQuantity: number of hauls = 54
Description: population surveys
Demersal fishQuantity: number of hauls = 54
Description: pre-recruit herring survey
Acoustic reflection on marine organisms.Description: fish counting sonar