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- 5Flannigan, M.D.
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- 3Lewis, Mark A.
- 76Graduate and Postdoctoral Studies (GPS), Faculty of
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Genetic variation and climatic impacts on survival and growth of white spruce in Alberta, Canada
Download2007-01-01
Rweyongeza, Deogratias M., Yang, Rong-Cai, Dhir, N. K., Barnhardt, L. K., Hansen, C.
Because climate has the greatest effect in determining the genetic structure of forest tree species, climatic variables with large effects on growth and survival need to be identified. This would enable proper matching of tree populations to planting sites in the present and future climates. We...
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Spring 2017
Climate change could significantly alter precipitation and water availability in different parts of the world. Moreover, during the course of the 21st century, climate change impact can potentially enhance the severity and frequency of extreme precipitation and also increase prolonged drought...
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Greenhouse gas emissions from calf- and yearling-fed beef production systems, with and without the use of growth promotants
Download2012
Baron, V. S, Aalhus, J. L., Basarab, J. A., López-Campos, Ó., Haugen-Kozyra, K., Okine, E. K.
A spring calving herd consisting of about 350 beef cows, 14–16 breeding bulls, 60 replacement heifers and 112 steers were used to compare the whole-farm GHG emissions among calf-fed vs. yearling-fed production systems with and without growth implants. Carbon footprint ranged from 11.63 to 13.22...
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Guiding Douglas-fir seed selection in Europe under changing climates: bioclimatic envelope model predictions versus growth observed in provenance trials
DownloadFall 2013
Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco) is one of the most ecologically and economically important tree species in both its native range in North America and in its introduced range in Europe. The aim of this research is to inform the European Douglas-fir reforestation strategy under...
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Spring 2014
This thesis investigates three areas under the theme of household structure, climate change and livelihoods in southern Africa. The use of female-headship to identify vulnerable subgroups and to direct poverty-alleviation policies is a contentious issue in the literature. In the first paper of...
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Spring 2015
In this dissertation, I read gender humour through the lens of masculinities studies and critical humour studies to contribute to gender studies and humour studies. I engage two crucial problems and propose solutions and possibilities. The first problem concerns the state of the concept of...
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Fall 2019
Within the Boreal Plains of north-central Alberta, catchments situated within low permeability glacial terrain are composed of a mosaic of landscape units including ponds, peatlands, and upland aspen forest ecosystems within a sub-humid climatic zone where water deficit conditions are frequent. ...
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Identifying historical climate-growth limitations of white spruce (Picea glauca) populations across North America
DownloadSpring 2021
Climate change may cause reduced forest productivity and higher tree mortality due to water deficits that result from increased evapotranspiration. Such limitations may occur in some areas of the North American boreal forest, where precipitation is low and warming trends are high. This thesis...