RRS Frederick Russell FR20/84

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Frederick Russell (74GG)
Cruise identifierFR20/84
Cruise period1984-11-08 — 1984-11-17
ObjectivesTo study the metabolism of autotrophic sulphur-oxidizing bacteria symbiotic in pogonophores, bivalve molluscs and other infauna of the soft sediments of the continental slope in the Bay of Biscay, and to measure the sulphide and sulphate content and rate of sulphate reduction in the sediments in relation to the global sulphur cycle.
Chief scientistAlan Southward (Marine Biological Association of the UK)
Cruise reportRRS Frederick Russell FR20/84 cruise report frederick_russell20_84.pdf (0.10 MB) 
Ocean/sea areas 
GeneralCeltic Sea
SpecificN. Bay of Biscay
Track chartsRRS Frederick Russell FR20/84 cruise track — trk3018.html
Physical oceanography 
Water bottle stations
Chemical oceanography 
Other chemical oceanographic measurementsDescription: sulphide suphate
Biology and fisheries 
ZoobenthosQuantity: number of hauls = 12
Description: energy transfers
Other biological/fisheries measurementDescription: sulphide biome
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 20