Summary Report on Studies of the Impact of Insecticides on Forest Ecosystems
Problem Addressed: Insecticide impacts on forest ecosystems
Goal(s)/Objective(s): Examine forest songbird responses to timber stand alterations in Eastern Canada caused by spruce budworm damage over the past decade.
Key Findings: In areas where the budworm-killed conifer component is being replaced by a new forest growth, songbird density is comparable to that in adjacent undamaged stands, but songbird diversity is considerably lower than in nearby unaffected stands.
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- Kingsbury, P.D.
Canadian Forestry Service - McLeod, B.B.
Canadian Forestry Service - Homes, S.B.
Canadian Forestry Service - Kreutzweiser, D.P.
Canadian Forestry Service - R.L. Millikin
Canadian Forestry Service - Mortensen, K.L.
Canadian Forestry Service
Field studies carried out by the Environmental Impact Section of the Forest Pest Management Institute in 1983 were primarily focused on intensified aquatic and terrestrial sampling activities in the Icewater Creek research area where in-depth environmental impact research has been conducted since 1980. A study was also carried out to examine forest songbird responses to timber stand alterations in Eastern Canada caused by spruce budworm damage over the past decade. The environmental impact section also participated in interdisciplinary permethrin drift studies reported on separately to this forum.
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