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Skip to Search Results- 2Isaac-Renton, Miriam G
- 1Aasberg, Sophie
- 1Abrahams, Eric M
- 1Agrawal, Nikhil
- 1Albalawi, Zaina H
- 1Alexander, Gerda Isolde
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Biodiversity of soil arthropods in a native grassland in Alberta, Canada: obscure associations and effects of simulated climate change
DownloadFall 2013
Soils have traditionally been treated as a “black box” due to the challenges of studying this complex medium. The living component of soil consists of a complex network of roots and mostly very small, highly abundant, and extremely diverse group of microbes, protists, and other invertebrates. In...
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Biogeographic histories and genetic diversity of western North American tree species: implications for climate change
DownloadFall 2013
Over the last two million years, the evolution of North American tree species, subspecies, and genetic varieties has taken place in a constantly changing landscape often dominated by extensive ice sheets and restricted temperate climate environments. Here, I approximately reconstruct post-glacial...
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Biological soil crusts in Alberta’s grasslands: increasing our knowledge of their taxonomy, diversity, and sensitivity to drought and defoliation
DownloadFall 2022
Biological soil crusts (BSCs) play a central role in the biodiversity, health, resilience, and function of drylands like Alberta’s grasslands. In Alberta, much of the biocrust cover consists of lichens, and many crusts are dominated by species of Cladonia. Despite the drought-resistant nature of...
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Bitumen Extraction, Indigenous Land Conflicts, and Environmental Change in the Athabasca Oil Sands Region, 1963-1993
DownloadSpring 2021
This dissertation examines the first development phase of the Alberta oil sands industry from the 1960s to the early 1990s. It draws on public and private records from archives in Canada and the United States, the results of collaborative research with the Fort McMurray Métis, and oral history...
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Boxed-in: Comparing Algorithms for Box-flight Mass-Balance Greenhouse Gas Flux Measurements from Mineable and In Situ Oil Sands Developments
DownloadSpring 2022
To combat global warming, Canada has committed to reducing greenhouse gases (GHGs) 40-45% below 2005 emission levels by 2025. Monitoring emissions and deriving accurate inventories are essential to reaching these goals. GHGs can be measured at a small scale, often using ground measurements which...
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Fall 2013
The health of caribou (Rangifer tarandus) is impacted by multiple risk factors, which may affect availability of caribou for consumption. From analysis of secondary dietary intake data, consuming caribou was found to be positively related to measures of diet quality—caloric intake and dietary...
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Caribou hunting at ice patches: seasonal mobility and long-term land-use in the southwest Yukon
DownloadSpring 2011
Recently documented ice patch sites in the southwest Yukon are ideal for evaluating precontact hunter-gatherer land-use patterns in the western subarctic. Located in the alpine of the mountainous regions of the boreal forest, ice patches are associated with well preserved hunting equipment,...
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Fall 2013
Caribou (Rangifer tarandus L.) populations in Canada are threatened by climate change and anthropogenic landscape disturbance, which may negatively affect caribou energetics and range occupancy, with negative consequences for vital rates. Caribou are the basis of economy and spirituality for...
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Fall 2022
Climate change is having increasing impacts on water, sanitation, and hygiene (WASH) worldwide, rendering health-friendly behaviours less achievable in low-resource settings, disrupting WASH service provision, and reversing global progress on improving WASH infrastructure and controlling...
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Climate Change Impacts on Stoichiometry, Phytoplankton, and Zooplankton in Alpine Lake Food Webs
DownloadFall 2013
The main hypothesis of this study was that warmer and drier conditions affect fishless alpine lakes by increasing (1) phosphorus (P)-availability, (2) P-limited autotrophs versus mixotrophic phytoflagellates, and (3) fast-growing P-limited cladocerans versus slower-growing nitrogen (N)-rich...