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Skip to Search Results- 1Dawe, Kimberly Louise
- 1Haché, Samuel Alcide
- 1Illerbrun, Kurt K
- 1Johnson, Amy
- 1Loewen, Charlie J
- 1Mayor, Stephen J
- 4Derocher, Andrew (Biological Sciences)
- 4Vinebrooke, Rolf (Biological Sciences)
- 2Hik, David (Biological Sciences)
- 1Bayne, Erin (Biological Sciences)
- 1Bayne, Erin (Biological Sciences)/ Villard, Marc-André (Biologie; Université de Moncton)
- 1Bork, Edward W (Agricultural, Food, and Nutritional 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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Assessing stress in western Hudson Bay polar bears using hair cortisol concentration as a biomarker
DownloadFall 2015
The development of novel biomarkers to help assess whether polar bear (Ursus maritimus) health is impacted by long-term physiological stress associated with climate change represents an emerging area of research. With progressively greater reductions in sea ice cover and a corresponding decrease...
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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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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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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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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...
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Consequences of altered precipitation, warming, and clipping for plant productivity, biodiversity, and grazing resources at three northern temperate grassland sites
DownloadSpring 2013
There is limited understanding about how altered precipitation and warming associated with climate change affect grassland systems. Also, although grasslands commonly support herbivores, it is unclear how grazing influences responses to climate change. To address these knowledge gaps, I carried...
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Fall 2023
Global warming is contributing to extreme climatic events, especially at higher elevations and latitudes. Phytoplankton assemblages are highly sensitive to these climate-related environmental changes, which include heatwaves and drought events. Knowledge gaps exist concerning the cumulative...
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Factors driving range expansion of white-tailed deer, Odocoileus virginianus, in the boreal forest of northern Alberta, Canada
DownloadFall 2011
A large suite of species, across numerous taxa, are expanding their geographic ranges, with potential impacts on species, communities and ecosystems. This has increased interest in understanding the mechanisms driving range change and anticipating future changes in species’ distributions....
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Ferruginous Hawk (Buteo regalis) response to energy development and inclement weather in southern Alberta
DownloadSpring 2021
Growing global energy demand is projected to increase by nearly 30% in coming decades. As such, wildlife is increasingly required to persist in altered landscapes resulting from energy-related changes and development. In breeding birds, anthropogenic structures are often used as perches and, in...