Outbreaks by canopy-feeding geometrid moth cause state-dependent shifts in understorey plant communities

  title={Outbreaks by canopy-feeding geometrid moth cause state-dependent shifts in understorey plant communities},
  author={Stein Rune Karlsen and Jane Uhd Jepsen and Arvid Odland and Rolf Anker Ims and Arve Elvebakk},
The increased spread of insect outbreaks is among the most severe impacts of climate warming predicted for northern boreal forest ecosystems. Compound disturbances by insect herbivores can cause sharp transitions between vegetation states with implications for ecosystem productivity and climate feedbacks. By analysing vegetation plots prior to and immediately after a severe and widespread outbreak by geometrid moths in the birch forest-tundra ecotone, we document a shift in forest understorey… CONTINUE READING
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