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Assessing Algal Community Structure and Nutrient Uptake Kinetics Across a Nutrient Gradient in Agricultural Streams
DownloadFall 2020
Streams provide important ecosystem services, such as the transformation of organic matter and water purification, while transporting water from headwaters to larger receiving waterbodies downstream. Excess nutrients introduced through anthropogenic land use put stress on aquatic ecosystems and...
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Fall 2021
Streams provide essential ecosystem services including nutrient cycling and uptake, organic matter processing and ecosystem production and respiration. Stream ecosystem functioning provides an integrated metric of biological structures and processes that can respond to anthropogenic land use...
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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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Enzymatic Hydrolysis of Ascophyllum nodosum for the Co-Production of Biofuels and Value-Added Products
DownloadSpring 2019
Vargas Sepulveda, Hector Mauricio
There has been an increasing interest in the use of biorefining feedstocks for the production of value-added products. Seaweeds are of special interest, due to the fact that they do not compete for land use with food crops, have low to no lignin content, and can be grown in waste water or at sea,...
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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...