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Skip to Search Results- 4Graduate and Postdoctoral Studies (GPS), Faculty of
- 4Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Roy Berg Kinsella Research Ranch
- 2Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 1Agricultural, Food and Nutritional Science, Department of
- 1Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
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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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Getting to the root of the matter: grizzly bears and alpine sweetvetch in west-central Alberta, Canada
DownloadSpring 2012
Wildlife habitat selection is influenced by gender, offspring-dependency, resource availability, and spatiotemporal variation in resource nutrition. In consideration of these factors, this thesis examines alpine sweetvetch (Hedysarum alpinum) root and its relationship to grizzly bears (Ursus...
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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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2004
Irving, B. D., Asamoah, S. A., Hudson, R. J., Bork, E. W., Price, M. A.
We evaluated the temporal dynamics of herbage biomass and protein within riparian meadows and upland grasslands of native Aspen Parkland rangeland to understand the contribution of each to lives tock foraging. For the growing season monitored, meadows were greater in forage yield and crude...
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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...