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Assessment of Perennial Cereals in Central Alberta: Environmental Performance and Productivity
DownloadFall 2023
Despite their paramount importance, modern, high-input agroecosystems used for annual grain production are often characterized as degraded systems with substantial greenhouse gas (GHG) emissions, namely nitrous oxide (N2O), a GHG 273x more potent than carbon dioxide (CO2) on a mass basis....
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Carbon dynamics and greenhouse gas emissions in a tropical dry forest and a pre-alpine Bavarian grassland
DownloadFall 2020
The present thesis contains three studies, all of which follow the main trend of quantification and assessment of carbon dynamics and greenhouse gas emissions. The main objectives of the first study “Dynamics of carbon sequestration in tropical dry forests along two successional gradients under...
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Interactions among Nitrogen Input, Nitrification Inhibition, Edaphic and Environmental Conditions on N2O Fluxes and associated Biological Processes in Central Alberta Soils
DownloadFall 2020
Increasing atmospheric concentration of nitrous oxide (N2O) emissions due to intensified human activities is of concern, as N2O is not only a precursor for stratospheric ozone destruction but also an important greenhouse gas. Agriculture accounted for about 82% of the anthropogenic N2O production...
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Out of the Dark, into the Light? Influence of Wildfire and Thermokarst on Greenhouse Gas Fluxes from Boreal Peat Landscapes near the southern Limit of Permafrost
DownloadFall 2024
Wildfire and permafrost thaw have been common disturbances in the boreal zone for millennia and are now intensified by warming due to human-made climate change. The Taiga Plains ecozone in northwestern Canada is warming at a faster rate than other regions. In this ecozone, permafrost is found at...
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Fall 2020
Background: Nitrous oxide (N2O) is a common anesthetic drug used for distress management and improving the cooperation of children in dentistry. In clinical settings where it is used for moderate sedation and analgesia, the effect of N2O is mostly perceived as a single action through subjectively...