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UID:20250730T211835EDT-0602kWdaxC@132.216.98.100
DTSTAMP:20250731T011835Z
DESCRIPTION:Guest speaker: Dr. Patrick James\, Université de Montréal\n\nOu
 tbreaks of forest insect pests represent a major threat to the health of C
 anada's forests. In western Canada\, an outbreak of the native mountain pi
 ne beetle (Dendroctonus ponderosae) has attacked and killed over 16 millio
 n hectare of pine forest. The ongoing and expanding outbreak now threatens
  boreal forest resources farther north and east than has been previously r
 ecorded. We currently do not know why this outbreak has been so severe and
  what has caused its expansion in range. One hypothesis is that rapid (co)
 evolution within and among species that comprise the outbreak system (beet
 les\, fungi\, trees) has facilitated adaptation to spatial climatic and en
 vironmental variation. In this talk I present spatial genetic and genomic 
 research we have undertaken to investigate the potential role of evolution
 ary processes in outbreak range expansion. Using landscape genetics\, we e
 xamine the influence of landscape heterogeneity on mountain pine beetle mo
 vement and population genetic connectivity. Using landscape genomics\, we 
 identify and map non-random association of adaptive loci among the beetle\
 , its host trees\, and a suite of obligate fungal symbionts. Together\, th
 is work will help us to better understand the drivers of this outbreak and
  what might be done to reduce future negative consequences on forest healt
 h.\n
DTSTART:20190124T150000Z
DTEND:20190124T150000Z
LOCATION:R4-047\, Raymond Building\, CA\, QC\, St Anne de Bellevue\, H9X 3V
 9\, 21111 Lakeshore Road
SUMMARY:Causes and consequences of mountain pine beetle outbreaks: from gen
 es to ecosystems
URL:/macdonald/channels/event/causes-and-consequences-
 mountain-pine-beetle-outbreaks-genes-ecosystems-293475
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