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Biology and control of Russian thistle (Salsola tragus L.) in bighorn sheep (Ovis canadensis Shaw) winter ranges in montane grasslands of Jasper National Park, Alberta, Canada
DownloadSpring 2010
Russian thistle (Salsola tragus L.) invaded areas of native montane grassland important to winter survival of bighorn sheep (Ovis canadensis Shaw) were studied in Jasper National Park, Alberta, Canada. The biology of Russian thistle and its control in the Park were studied in the field and...
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Evolutionary quantitative genetics and genomics applied to the study of sexually dimorphic traits in wild bighorn sheep (Ovis canadensis)
DownloadSpring 2011
The independent evolution of the sexes may often be constrained if male and female homologous traits share a similar genetic architecture. Thus, cross-sex genetic covariance is assumed to play a key role in the evolution of sexual dimorphism (SD) with consequent impacts on sexual selection,...
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Genetic mapping and physiological characterization of water-use efficiency in barley (Hordeum vulgare L.) on the Canadian Prairies
DownloadFall 2011
Temporal or seasonal water deficit is one of the major factors limiting crop yield on the Canadian Prairies. Empirical knowledge suggests that carbon isotope discrimination (Δ13C), through its negative relationship with water-use efficiency (WUE), is a good index for selecting crop varieties...
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Horns and hotspots: detecting change in mountain sheep populations over large spatiotemporal scales
DownloadSpring 2020
Long-term data is essential for addressing questions about how populations change over time in response to environmental variability, and natural and anthropogenic disturbance. Two species of mountain sheep (Ovis spp.) in Canada have been monitored over several decades and provided the data...
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Quantitative trait loci (QTL) mapping and doubled haploid technology for spring wheat improvement
DownloadSpring 2014
Efficiency is important in wheat breeding programs. A series of studies were conducted to determine genetic differentials, map genomic regions affecting various agronomic and quality traits in conventional and organic management systems and to improve doubled haploid (DH) technology in spring...
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Quantitative trait loci and genomewide association mapping in western Canadian spring wheat (Triticum aestivum L.)
DownloadSpring 2016
Early maturity, grain yield and grain protein content are some of the important traits in western Canadian wheat breeding programs. A series of experiments were conducted to explore the genetic basis of days to heading, and maturity, plant height, grain protein, grain yield and related traits. In...
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Resilient Space: Bighorn Sheep (Ovis canadensis) Ecological Resilience in the Northern Rocky Mountains
DownloadFall 2016
Abstract Ecological resilience was defined, reviewed and discussed by synthesis of theory, concepts and empirical evidence presented in the primary literature (Chapter 1). Ecological resilience is concerned with ecological functions and the desirability of alternate states. Management and...
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Fall 2010
A whole genome scan was conducted to identify and fine map QTL regions for ultrasound and carcass merit traits in beef cattle. A total of 465 steers and bulls, genotyped for 4592 SNPs, were analysed for 16 ultrasound and carcass merit traits using interval mapping, single marker regression and...