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UID:20260626T160016EDT-4635klsP69@132.216.98.100
DTSTAMP:20260626T200016Z
DESCRIPTION:Climate change\, ecosystem collapse and cascading regime\nshift
 s in the Canadian Arctic\nBy Dr. Warwick F. Vincent (Centre for Northern S
 tudies /Centre\nd'Etudes Nordiques\, Université Laval)\nThe Canadian Arcti
 c contains a remarkably diverse variety of\naquatic ecosystem types includ
 ing permafrost thaw lakes\, large\nrivers discharging to the Arctic Ocean\
 , lagoons and other coastal\necosystems\, and perennially ice-capped\, sol
 ar heated lakes. Our\nanalyses of the molecular microbiology of these wate
 rs have\nrevealed diverse communities in each of the three domains of\nmic
 robial life\, with implications for biogeography\, food web\nstructure and
   biogeochemical processes including greenhouse\ngas fluxes. The Arctic is
  currently warming at twice the global\naverage\, and some of these aquati
 c ecosystems have begun to\nexperience step-like changes in their physical
  and ecological\nregimes. Our observations imply that global climate chang
 e will be\nincreasingly accompanied by discontinuous shifts in aquatic\nec
 osystem structure and function.\nSponsored and organized by 91ºÚÁÏÍø Univers
 ity since 2003 with the\nexpress purpose of fostering communication betwee
 n scientists in\ndifferent disciplines as well as between scientists and t
 he public\,\nthe Cutting Edge Lectures in Science are\nmade possible throu
 gh the generous support of Heather Munroe-Blum\n(91ºÚÁÏÍø Principal)\, Richa
 rd Levin (Dean of Medicine)\, Martin Grant\n(Dean of Science)\, Anthony Ma
 si (Provost) and Denis Thérien\n(Vice-Principal\, Research and Internation
 al Relations). Lectures\nare followed by a vin d'honneur reception. Free\,
  everyone\nwelcome.\n
DTSTART:20100311T230000Z
DTEND:20100311T230000Z
LOCATION:Redpath Museum\, CA\, QC\, Montreal\, H3A 0C4\, 859 rue Sherbrooke
  Ouest
SUMMARY:Cutting Edge Lectures in Science
URL:/channels/event/cutting-edge-lectures-science-1090
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