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Skip to Search Results- 2Brown, Charlotte
- 2Cahill, James F.
- 2Salimbayeva, Karina
- 2Stotz, Gisela C.
- 1Barrie, Emily
- 1Biddlecombe, Brooke
- 16Graduate and Postdoctoral Studies (GPS), Faculty of
- 16Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Biological Sciences, Department of
- 2Biological Sciences, Department of/Research Data and Materials (Biological Sciences)
- 1St. Stephen's College
- 1St. Stephen's College/Department of Theology-DMin (St. Stephen's College)
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Fall 2019
Integrodifference equations are a common tool used in ecology to model the spread of populations. In this thesis, I explore the neutral genetic patterns formed by range expansions and how dispersal-reproduction trade-offs impact the spread of populations. In Chapter 2, we investigate the inside...
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Phenotypic and genetic variation in Rocky Mountain bighorn sheep (Ovis canadensis canadensis)
DownloadFall 2023
Genetic variation is a ubiquitous feature of natural populations and underpins much phenotypic variation. Genetic variance can be partitioned and examined at various hierarchical levels of organization to address fundamental questions in ecology and evolution. Patterns of genetic variance among...
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Spring 2023
Polar bear conservation faces significant challenges under Arctic warming, especially with respect to habitat loss and the resulting impacts on their seasonal energetic uptake and maintenance. Polar bears rely on sea ice for hunting, mating, denning, and rearing of offspring, and the availability...
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Post-fire regeneration of endangered limber pine (Pinus flexilis) at the northern extent of its range
DownloadSpring 2019
Limber pine (Pinus flexilis), an ecologically important species of the montane and subalpine regions of western Canada and the United States, is endangered in Alberta. Limber pine is thought to regenerate following fire, due to its relationship with a bird, the Clark’s nutcracker (Nucifraga...
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Prairie plant species at risk in Southern Alberta: identification of critical habitat at the microsite level for Halimolobos virgata (Nutt.) O.E. Schulz and determination of set back distance between pipeline disturbance and Halimolobos virgata and Cryptantha minima Rydb.
DownloadFall 2011
Little is known about the effect disturbances such as pipelines can have on prairie plant species at risk and their critical habitat in Alberta. Halimolobos virgata appears to be a ruderal, disturbance evolved species that occupies a unique rim niche. This habitat around the rim of depressional...
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Sulfur Speciation and Curation Considerations for the Carbonaceous Chondrite Tagish Lake and Other Meteorites
DownloadSpring 2023
Carbonaceous chondrites contain significant abundances of sulfur components such as sulfide, sulfate, elemental sulfur (S0), and organosulfur compounds. These are significant because questions remain regarding the role of S in the origin of life. Chondrites and all other meteorites are out of...
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Fall 2023
Caribou (Rangifer tarandus) numbers continue to decline across their circumpolar range with boreal woodland caribou (R. t. caribou; hereafter caribou) listed as threatened under Canada’s Species at Risk Act. Given this conservation concern, evaluating the factors influencing reproductive success...
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Spring 2024
This thesis introduces the theory of possessive ecologies, offering a critical alternative to the dominant paradigms of knowledge integration in environmental science, grounded in Moreton-Robinson's ontology of possession and Whyte's Indigenous ecologies. I argue that the field of environmental...
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Using spatial autocorrelation to quantify the effects of sea ice fragmentation on polar bear movement in Hudson Bay
DownloadSpring 2020
Habitat fragmentation occurs when continuous habitat gets broken up as a result of ecosystem change. While commonly studied in terrestrial ecosystems, Arctic sea ice ecosystems also experience fragmentation, but are rarely studied in this context. Most fragmentation analyses are conducted using...