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Skip to Search Results- 6Graduate and Postdoctoral Studies (GPS), Faculty of
- 6Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 1Mathematical and Statistical Sciences, Department of
- 1Mathematical and Statistical Sciences, Department of/Research Publications (Mathematical and Statistical Sciences)
- 1Cooke, Colin (Department of Earth and Atmospheric Sciences)
- 1Cooke, Colin (Earth and Atmospheric Science)
- 1David Olefeldt, Department of Renewable Resources
- 1Poesch, Mark (Renewable Resources)
- 1Reyes, Alberto (Department of Earth and Atmospheric Sciences)
- 1St. Louis, Vincent (Biological Sciences)
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2017-01-01
QIHUA HUANG, HAO WANG, MARK A. LEWIS
While some species spread upstream in river environments, not all invasive species are successful in spreading upriver. Here the dynamics of unidirectional water flow found in rivers can play a role in determining invasion success. We develop a continuous-discrete hybrid benthic-drift population...
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Biogeochemical impacts of glacial meltwaters across a High Arctic watershed (Lake Hazen, Nunavut, Canada)
DownloadFall 2018
Climate change across northern latitudes is fundamentally altering the hydrological cycle there, resulting in increased glacial melt, permafrost thaw and precipitation. Whereas enhanced glacial melt has potentially important implications for water quality and productivity in downstream freshwater...
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Effects of retrogressive thaw slumping on particulate organic carbon dynamics in the Northwest Territories, Canada
DownloadSpring 2022
Climate change is increasing the frequency and intensity of thermokarst and accelerating the delivery of terrestrial organic material from previously sequestered sources to aquatic systems, where it is subject to further biochemical alteration. Rapid climate change in the glacially conditioned...
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Fifty Shades of Brown: Variability of Dissolved Organic Matter in Forested Streams across Spatial and Temporal Scales
DownloadSpring 2024
Dissolved organic matter (DOM) in stream water plays a critical role in shaping aquatic ecosystems, influencing water quality and acting as a food source to microorganisms, and affects drinking water treatment. Understanding variations in the concentration and composition of DOM and environmental...
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Fluvial inorganic carbon cycling across divergently evolving permafrost landscapes (Yukon and Northwest Territories, Canada)
DownloadFall 2019
Across the circumpolar north, rapid warming and intensifying hydrologic cycles are accelerating permafrost thaw and strengthening land-freshwater linkages. Among the most significant implications of this change is the mobilization of large amounts of previously sequestered organic and inorganic...
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Fall 2020
Anthropogenic climate warming is degrading the cryosphere. Retreating alpine glaciers and thawing permafrost pose the risk of releasing previously sequestered legacy contaminants to downstream environments, with potential negative consequences for downstream aquatic ecosystems. In this thesis I...
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Trace element concentrations in riverine fish: relationships with body size, food web dynamics and trace element concentrations in surface water
DownloadSpring 2020
Freshwater fish are an important resource and form an essential component of freshwater ecosystems. However, stressors such as water pollution are negatively impacting freshwater biodiversity. Trace elements can be environmental pollutants and have the potential to negatively impact the health of...