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Skip to Search Results- 1Acorn, John (Renewable Resources)
- 1Bork, Edward (Agricultural Food and Nutritional Science)
- 1Bork, Edward (Agricultural, Food and Nutritional Science)
- 1Bork, Edward (Agricultural, Food, and Nutritional Science)
- 1Bork, Edward (Agriculture, Food, and Nutritional Science)
- 1Cameron N. Carlyle (Agricultural, Food and Nutritional Science)
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Are managed honey bees (Apis mellifera) altering native pollinator diversity, or their interactions with plants in Western Canadian grasslands?
DownloadSpring 2021
The grasslands region of southern Alberta, Canada, is dominated by agricultural activity, and approximately 75% of native grasslands have been lost to development. Honey bees (Apis mellifera) were introduced about a century ago, and today they are used to facilitate the pollination of crops; in...
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Biological soil crusts in Alberta’s grasslands: increasing our knowledge of their taxonomy, diversity, and sensitivity to drought and defoliation
DownloadFall 2022
Biological soil crusts (BSCs) play a central role in the biodiversity, health, resilience, and function of drylands like Alberta’s grasslands. In Alberta, much of the biocrust cover consists of lichens, and many crusts are dominated by species of Cladonia. Despite the drought-resistant nature of...
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Spring 2020
Grasslands cover a quarter of the planet’s terrestrial surface and constitute 70% of the world’s agricultural land area. Grasslands provide clean water, facilitate effective nutrient cycling, and provide necessary habitat and forage for livestock and wildlife. In addition, grasslands have the...
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Displacement and Mortality of Birds by High Voltage Transmission Lines in the Canadian Dry Mixed Prairie
DownloadFall 2018
Canadian grasslands are continuing to experience loss in habitat and degradation in quality due to agricultural expansion and fragmentation from roads, pipelines, and transmission lines. Today, only 43% of Canadian mixed grass prairie remains. This loss and fragmentation has led to a decline in...
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Ecosystem sensitivity to variation in precipitation and defoliation across grasslands of Alberta
DownloadSpring 2022
Climate models project a greater likelihood of increases in precipitation variability and droughts over the Great Plains of North America. Drought’s interactions with other co-occurring factors, such as grazing, can lead to substantial and long-lasting changes to ecosystem goods and services. In...
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Extracellular enzyme activity, greenhouse gas emissions and soil microbial communities responses to drought and defoliation in northern temperate grasslands
DownloadFall 2023
Grassland ecosystems cover more than 40% of the global land area and provide many ecological goods and services, therefore, it is important to sustain these terrestrial ecosystems. One of the ecological services they provide is their potential to act as a carbon (C) sink. However, northern...
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Influence of management and disturbance history on germinable seed bank composition and legume recruitment in Alberta’s Central Parkland and Dry Mixedgrass prairie
DownloadFall 2018
Seed banks (SB) are a cryptic component of grassland plant community (PC) diversity and are overlooked for their contribution of a significant ecological service in the form of plant propagules that replenish the aboveground plant community with new individuals and thereby aid in recovery...
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Spring 2024
Annual brome grasses are some of the most widespread and problematic weeds in North America and present a challenge in managing rangeland, with control options needed. The herbicide indaziflam has shown promise in long-term annual brome reduction on western U.S. rangeland, though how these...
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Presence of a dominant native shrub is associated with minor shifts in the function and composition of grassland communities in a northern savannah
Download2021-01-01
Peetoom Heida, I., Brown, C., Dettlaff, M. A., Oppon, K J., Cahill, J. F.
Ecosystems are spatially heterogenous in plant community composition and function. Shrub occurrence in grasslands is a visually striking example of this, and much research has been conducted to understand the functional implications of this pattern. Within savannah ecosystems, the presence of...