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SUMMARY:The ecology of a melting glacier: biotic feedbacks upon surface me
 lt rates and biogeochemical significance. - Dr Andy Hodson (University of 
 Sheffield)
DTSTART:20081001T123000Z
DTEND:20081001T133000Z
UID:TALK13518@talks.cam.ac.uk
CONTACT:Sophie Fielding
DESCRIPTION:Glacial and ice sheet surfaces support microbial foodwebs that
  are far more active than hitherto realised. Here I will describe these fo
 odwebs and how their activity impacts upon biogeochemical conditions and t
 he melt rate of the ice surface. Particular attention will be given to Sva
 lbard and Greenland\, because contrasting glacier mass balance conditions 
 here enable us to consider how these ecosystems might switch from net sour
 ces to net sinks of atmospheric CO2. Finally\, the coupling of supraglacia
 l ecosystems with their neighbouring marine and terrestrial counterparts w
 ill be explored. 
LOCATION:British Antarctic Survey\, conference room
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