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Skip to Search Results- 1Aurelian, Virgiliu Marius
- 1Ball, Ronald Aaron
- 1Bergeron, Colin
- 1Blanchet, Guillaume
- 1Bortolotti, Lauren E
- 1Brachmann, Cole Garrett
- 4Vinebrooke, Rolf (Biological Sciences)
- 2Boutin, Stan (Biological Sciences)
- 2Hik, David (Biological Sciences)
- 1Adamowicz, Vic (Department of Resource Economics and Environmental Sociology, University of Alberta)
- 1Boonstra, Rudy (Biological Sciences, University of Toronto Scarborough)
- 1Cahill, James J.F. Jr. (Biological Sciences)
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A Functional Approach Reveals Zooplankton Responses to Environmental Change in Mountain Lakes
DownloadFall 2017
Concern is increasing over the future cumulative impacts of multiple stressors on freshwater biodiversity and ecosystem function, especially in alpine environments where climatic warming increases with elevation. Here, consideration of individual species traits enables translation of changes in...
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Analytical developments in the use of resemblance measures in community ecology and applications to boreal forest Carabidae
DownloadFall 2012
Understanding the factors influencing the distribution of species is one of the main goals of ecology. This thesis presents three contributions to better and more efficiently understand the factors defining the composition of ecological communities. First, I studied the impact of anthropogenic...
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Fall 2017
Biodiversity loss endangers ecosystem services and is considered as a global change that may generate unacceptable environmental consequences on the Earth system. Global biodiversity observations are needed to provide a deep understanding of the biodiversity - ecosystem services relationship and...
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Benthic Responses to Nitrogen and Phosphorus Deposition on Alpine Ponds in Banff National Park: A Replicated Whole-Ecosystem Experiment
DownloadFall 2012
Nitrogen (N) and Phosphorous (P) deposition at high elevations has increased by 40% over the last fifteen years, causing concern for the 3000+ alpine ponds in Banff National Park. A novel whole-ecosystem experiment was used to test for the effects of elevated N and P deposition on benthic...
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Fall 2016
Prairie wetlands provide many important ecosystem services including supporting biodiversity, improving water quality, preventing erosion, recharging groundwater, and attenuating floods. However, more than half of prairie wetlands in North America have been lost, primarily due to drainage for...
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Characteristics of alpine plants and soils along an elevational gradient, Northern Selkirk Mountains, British Columbia
DownloadSpring 2019
Rates of climate change are accelerated at higher elevations, a pattern termed elevation-dependent warming (EDW). Consequently, the impacts of climate change on community patterning and soil development may be particularly evident in alpine environments. Alpine ecotone boundaries, such as...
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Fall 2014
Canada’s boreal forest is the breeding ground for some 288 species of resident and migratory birds. Approximately 65% of the species that are currently of highest conservation priority in the boreal region are associated with wetlands and riparian areas. Although estimates vary with scale and...
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Composition and structure of spider assemblages in layers of the mixedwood boreal forest after variable retention harvest
DownloadFall 2011
Natural disturbances are important drivers of ecosystem change in the boreal forest and new approaches to sustainable forest management draw on natural disturbance patterns as a template for harvesting. The main premise for such approach is that species have evolved and adapted to stand-replacing...
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Designing an incentive program to reduce on-farm deforestation in the East Usambara Mountains, Tanzania
DownloadFall 2011
This thesis is a set of two papers on the design of a ‘payment for ecosystem services’ (PES) program for the reduction of on-farm deforestation in the East Usambara Mountains, Tanzania. The forests of this area are internationally recognized as one of the world’s most biodiverse ecosystems;...