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The overall goals of this research were to characterize the community of subcortical insects associated with spruce-infesting Ips spp. in Alaska and to develop new strategies to reduce their impact on forest trees. These strategies focused on non-insecticidal treatments that exploited natural insect chemical communication channels and/or increased tree defense responses. The coupling of these two approaches has never been attempted before in forest ecosystems. Thus, this research took the novel approach of using natural products at two levels to explore the interaction of the chemical communication of bark beetles and tree defense to protect trees from insect attack. Specifically, this thesis reports on chemical...
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In partnership with the community of Huslia, Alaska, I analyzed both the practices of wildlife biology and Koyukon traditional management practices for two species whose distributions include the Koyukuk-Nowitna National Wildlife Refuge Complex: moose (Alces alces gigas ) and greater white-fronted geese (Anser albifrons frontalis ). Both species are important for subsistence and sport hunting, but their ranges and migrations necessitate different scales and structures of management. Moose require state-wide cooperation, while geese also require national and international scales of management. Using ethnographies of scientific practice, observation, and semi-structured interviews, I explain how different groups of...
The overall goals of this research were to characterize the community of subcortical insects associated with spruce-infesting Ips spp. in Alaska and to develop new strategies to reduce their impact on forest trees. These strategies focused on non-insecticidal treatments that exploited natural insect chemical communication channels and/or increased tree defense responses. The coupling of these two approaches has never been attempted before in forest ecosystems. Thus, this research took the novel approach of using natural products at two levels to explore the interaction of the chemical communication of bark beetles and tree defense to protect trees from insect attack. Specifically, this thesis reports on chemical...
Categories: Publication; Types: Citation; Tags: M1-Invertebrates


map background search result map search result map Knowledges that 'travel': Indigenous-Western expertise and the 'nature' of wildlife management in the Alaskan boreal forest Knowledges that 'travel': Indigenous-Western expertise and the 'nature' of wildlife management in the Alaskan boreal forest