RRS Frederick Russell FR6/83

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Frederick Russell (74GG)
Cruise identifierFR6/83
Cruise period1983-04-06 — 1983-04-18
Port of departurePlymouth, United Kingdom
Port of returnPlymouth, United Kingdom
Objectives1) To investigate the role of the microbiota in primary production and nutrient recycling processes in oligotrophic shelf waters.
2) To continue the studies of the copepod Calanus helgolandicus in shelf seas.
3) To ascertain the horizontal and vertical structure of the biological and physical environment around CS2.
4) To contribute towards a seasonal study of phytoplankton at station A1 (Joint MBA/IMER project).
Chief scientistNicholas J P Owens (Institute of Marine Environmental Research, Plymouth)
Cruise reportRRS Frederick Russell FR6/83 cruise report frederick_russell6_83.pdf (0.19 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Irish Sea and St. George's Channel
Bay of Biscay
SpecificCeltic Sea
Track chartsRRS Frederick Russell FR6/83 cruise track — trk2905.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 314.84
BathythermographQuantity: number of profiles = 2
Water bottle stationsQuantity: number of stations = 9
Description: S surface only
Chemical oceanography 
PhosphateQuantity: track kilometres = 300
Description: 170 nm discrete cont.
NitrateQuantity: track kilometres = 300
Description: 170 nm discrete cont.
NitriteQuantity: track kilometres = 300
Description: 170 nm discrete cont.
Biology and fisheries 
Primary productivityQuantity: number of stations = 2
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 12
Particulate organic matter (inc POC, PON)Quantity: number of stations = 12
PhytoplanktonQuantity: number of stations = 2
ZooplanktonQuantity: number of stations = 2
Description: LHPR;survey:population,energy transfers,biomass determination,distribution
Pelagic bacteria/micro-organismsQuantity: number of stations = 2