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Skip to Search Results- 29Graduate and Postdoctoral Studies (GPS), Faculty of
- 29Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 5Renewable Resources, Department of
- 4Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 3Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
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A study of low chlorophyll levels relative to high phosphorus and nitrogen levels in prairie saline lakes
Download1986
Masters thesis. Results of an extensive study of Fluevog, Peninsula and Oliva lakes in eastern Alberta.
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Spring 2013
Titanosilicate has unique properties in adsorptive separations such as air separations. In this study, Ag-ETS-10 was investigated for argon free oxygen production. During laboratory scale breakthrough experiments high purity (99.7+%) oxygen was produced at 100 kPa and 25 °C, with a recovery rate...
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Analysis of Nitrogen Species in Gas Oils Using High Performance Liquid Chromatography and Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
DownloadFall 2012
The nitrogen content of products derived from oil sands bitumen is important, as nitrogen causes problems in upgrading and hydrotreating. Normal phase high performance liquid chromatography (HPLC) has been previously used to attempt separation of the nitrogen group types (pyrrole and pyridine)...
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Fall 2014
Quantitatively, nitrogen (N) has shown to be one of the most important nutrients for proper plant growth and development, and a key limiting factor in crop productivity. In the last 40 years, there has been a significant increase in the production of synthetic N-fertilizers, as well as an...
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Spring 2010
Maintaining balance is controlled by two different processes: feedforward and feedback control. Feed-forward control is used prior to performing voluntary movements whereas feedback control is used to correct for unexpected perturbations. Studies suggested that age-related changes in postural...
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Carbon and energy exchange by a black spruce – moss ecosystem under changing climate: testing the mathematical model ecosys with data from the BOREAS experiment
Download2001
Grant, R.F., Berry, J.A., Wofsy, S.C., Goulden, M.L.
There is some uncertainty whether net ecosystem productivity (NEP) of boreal black spruce forests is positive or negative under current climates and how NEP would change under hypothesized changes in future climates. The mathematical model ecosys was used to examine NEP of a boreal black spruce...
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Fall 2017
Anthropogenic carbon dioxide emissions are driving climate change. The largest sources of emitted carbon dioxide are coal and fossil fuel power plants. One proposed solution to mitigate emissions is to capture carbon dioxide from fossil fuel power plants and store it underground. This is the...
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Clinical Utility of Proposed Gait Stability Measures: Selection, Application and Evaluation of the Extrapolated Centre of Mass
DownloadSpring 2019
Gait stability is the ability to maintain a state of equilibrium during locomotion. In humans, this includes the need to maintain a stable walking pattern while regularly positioning the body in a state of imbalance. Thus, it is not surprising that gait is accompanied by an increased risk of...
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Controls on carbon and energy exchange by a black spruce–moss ecosystem: Testing the mathematical model Ecosys with data from the BOREAS Experiment
Download2001
Massheder, J.M., Berry, J.A., Scott, S.L., Rayment, M., Jarvis, P.G., Grant, R.F., Hale, S.E., Moncrieff, J.B.
Stomatal limitations to mass and energy exchange over boreal black spruce forests may be caused by low needle N concentrations that limit CO(2) fixation rates. These low concentrations may be caused by low N uptake rates from cold boreal soils with high soil C:N ratios and by low N deposition...
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Coordinated distributed experiments: An emerging tool for testing global hypotheses in ecology and environmental science
Download2013-01-01
Knapp, A. K., Collins, S. L., Turkington, R. , Long, R., White, S., Cahill, J. F., Carlyle, C. N., Beierkuhnlein, C., Luo, Y., Casper, B. B. Cleland, E., Lind, E., Smith, M. D., Henry, H. A. L., Dukes, J. S., Fraser, L. H., Reich, P. B., Sternberg, M.
There is a growing realization among scientists and policy makers that an increased understanding of today's environmental issues requires international collaboration and data synthesis. Meta-analyses have served this role in ecology for more than a decade, but the different experimental...