FRV Clupea 11/72

Cruise plan

Cruise Info.
Ship name (ship code)	FRV Clupea (74CU)
Cruise identifier	11/72
Cruise period	1972-12-05 — 1972-12-19
Status	Completed
Objectives	11 CP/1972
Chief scientist	George McPherson (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Ocean/sea areas
General	North Sea
Measurements
Physical oceanography
Water bottle stations	Quantity: number of stations = 19 Description: 10 S surface determined from pump samples
Chemical oceanography
Oxygen	Quantity: 17
Phosphate	Quantity: 17
Nitrate	Quantity: 27
Total - N	Quantity: 17
Silicate	Quantity: 17
Biology and fisheries
Primary productivity	Quantity: 17
Phytoplankton pigs (eg chlorophyll, fluorescence)	Quantity: 17
Particulate organic matter (inc POC, PON)	Quantity: 17 Description: carbon
Zooplankton	Quantity: 9
Pelagic fish	Quantity: number of hauls = 10