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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
- 1Agricultural, Food and Nutritional Science, Department of
- 1Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 1Roy Berg Kinsella Research Ranch
- 1Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
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Bromus-Poa response to defoliation intensity and frequency under three soil moisture levels
Download2002
Hudson, R. J., Donkor, N. T., Bork, E. W.
Smooth brome (Bromus inermis Leyss.) and Kentucky bluegrass (Poa pratensis L.) are important herbage for livestock and wildlife in Aspen-Boreal ecosystems in central Alberta, but there is paucity of information on the relationship between soil moisture and defoliation regimes on herbage...
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Plant litter: direct and indirect effects of simulated climate change and clipping on its decomposition, and its effects on plant-plant interactions
DownloadFall 2013
Terrestrial ecosystems are characterized by an intricate relationship between plants and soils that influence ecosystem and community level processes and properties. At the ecosystem level, plants (producers) provide organic carbon to the decomposer subsystem and obligate root-associated...
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Fall 2011
Festuca hallii (plains rough fescue), a late-seral bunchgrass and long-lived perennial, is difficult to restore once disturbed. Once dominant in grasslands throughout central Alberta, F. hallii now occurs in remnants, a result of agricultural and residential development, and oil and gas...
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Seasonal dynamics and defoliation impact on herbage yield in aspen boreal habitats of Alberta
Download2003
Donkor, Noble T., Okello, Moses M., Hudson, Robert J., Bork, Edward W.
Within the aspen boreal ecosystems, little information exists on the seasonal dynamics of available herbage and the effects of varying defoliation regimes on accumulated herbage growth and associated opportunities for animal production. We examined seasonal changes in herbage phytomass in...
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Temporal dynamics of plant-soil feedbacks and community consequences during Bromus inermis invasion
DownloadSpring 2021
Invasive plant species often come to dominate the community where they have become introduced, posing a serious threat to plant diversity and ecosystem functions. Yet, the long-term dynamics and impacts of invasive species do not necessarily remain constant and may attenuate over time due to...
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The Drivers of Invasive Species Establishment and Impact on Ecological and Evolutionary Aspects of Resident Plant Communities
DownloadSpring 2017
Invasive species can have important ecological and evolutionary impacts on resident species. Yet, we still lack a broad understanding of the conditions that determine invasive species establishment, performance and impact on ecological and evolutionary aspects of communities. In this thesis, I...