Impact of Avian Predation on Spruce Budworm

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The impact of avian predation on a declining population of the spruce budworm, Choristoneura fumifereana (Clem.), was measured using single-tree exclosure cages in a mature stand of balsam fir, Abies balsamea (L.), and white spruce, Picea glauca (Moench.) Voss. Bird population censuses and observations of foraging and nest-feeding activity were also made to determine the response of budworm-linked species to decreasing food availability.

  • Publisher - Current Organization Name: Natural Resources Canada
  • Publisher - Organization Section Name: Canadian Forest Service
  • Licence: Open Government Licence - Canada

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