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RRS John Biscoe JB04

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Biscoe (74JB)
Cruise identifierJB04
Cruise period1983-07-27 — 1983-09-29
StatusCompleted
Port of departureStanley, Falkland Islands (Malvinas)
Port of returnMontevideo, Uruguay
ObjectivesThe primary objective was to investigate krill physiology and behaviour at a time when concentrations of the primary food source (phytoplankton) were low. However, low krill populations were encountered and an alternative study of ichthyoplankton was used to occupy the remaining cruise time.
Chief scientistBarry Heywood (British Antarctic Survey)
ProjectMarine Biology - South Georgia and Elephant Island (OBP04)
Coordinating bodyBAS
Cruise reportRRS John Biscoe JB04 cruise report john_biscoe4_83.pdf (0.76 MB) 
Ocean/sea areas 
GeneralSouth Atlantic Ocean
South Pacific Ocean
SpecificSouthern Ocean
Track chartsRRS John Biscoe JB04 cruise track — john_biscoe4_83track.pdf (0.01 MB) 
Data held at BODC Get data
Discrete samples 
47  CTD frame plus rosette samplerSilicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
2  Unknown water sampling deviceSilicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
5  Water bottle hydrocastSilicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column