Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"southwest Yukon"”.
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Spruce bark beetle disturbance in the forest-tundra ecotones of southwest Yukon: impacts and predisposing factors
… have predisposed the forest-tundra ecotones of southwest Yukon to spruce bark beetle (Dendroctonus rufipennis) infestation, and investigated the subsequent effects of insect disturbance on the growth and establishment of white spruce (Picea glauca). Specific objectives were to evaluate (i) the …
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Postglacial Reconstruction of Fire History from a Small Lake in Southwest Yukon using Sedimentary Charcoal and Pollen
… sediment core collected from a small lake in southwest Yukon. Macroscopic charcoal was counted throughout the core at 0.5-cm contiguous intervals. The core was also analyzed for loss-on-ignition and magnetic susceptibility. Fossil pollen preserved in the lake sediment was analyzed to determine …
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Fine-Scale Mechanisms Influencing Germination Success, Seedling Growth and Survival in an Alpine Forest-Tundra Ecotone
… glauca) alpine treeline in the Kluane region of southwest Yukon to explore two important questions related to treeline ecology: (1) Is there sufficient viable seed dispersed at and beyond treeline for successful advance? (2) What are the most important variables influencing germinant presence, …
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Climate change adaptation and sustainable forest management in the boreal forest
… Champagne and Aishihik Traditional Territory of southwest Yukon where a climatically-driven, large-scale spruce bark beetle disturbance has been driving forest management planning yet climate change considerations have not been directly addressed in the planning process. Twenty-four adaptation …
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Reconstructing the Surge History and Dynamics of Fisher Glacier, Yukon, 1948-2022
… Glacier to better characterize surging in the southwest Yukon and assess the risk posed by this glacier’s surges on surrounding regions. Fisher Glacier has previously been identified as a surge-type glacier but, until now, it had not been the focus of any detailed studies. We find evidence that …