Cruise inventory

RRS James Clark Ross JR20041021 (JR109)

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS James Clark Ross (74JC)
Cruise identifierJR20041021 (JR109)
Cruise period2004-10-21 — 2004-11-13
StatusCompleted
Port of departureStanley, Falkland Islands (Malvinas)
Port of returnStanley, Falkland Islands (Malvinas)
PurposeResearch
ObjectivesThe aim of cruise JR109 was to collect 100 Laternula elliptica, 100 Nacella concinna and 10 Harpagifer sp. from Signy and South Georgia for a latitudinal comparison with Rothera populations. South Georgia and Signy animals were then transported to Rothera where experiments on thermal evolution/adaptation were conducted.
Chief scientistSimon Morley (British Antarctic Survey)
Cruise reportRRS James Clark Ross JR20041021 (JR109) cruise report jr109.pdf — access key 'C' (1.15 MB) 
Ocean/sea areas 
GeneralSouth Atlantic Ocean
SpecificSigny, South Georgia (and local diving from Rothera Base)
Measurements 
Biology and fisheries 
Benthic bacteria/micro-organismsQuantity: number of dives = 16
Description: A number of SCUBA dives were made throughout the cruise. Three different benthic species were collected.
Demersal fishQuantity: number of dives = 2
Description: At King Edward Point dives took place for limpets and fish.
MolluscsQuantity: number of dives = 2
Description: At King Edward Point dives took place for limpets and fish.