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Skip to Search Results- 186Renewable Resources, Department of
- 185Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 2Agricultural, Life, and Environmental Sciences, Faculty of
- 2Agricultural, Life, and Environmental Sciences, Faculty of/Journal Articles (Agricultural, Life, & Environmental Sciences)
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
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Landscape patterns of species-level association between ground-beetles and overstory trees in boreal forests of western Canada (Coleoptera, Carabidae)
Download2011
Spence, J. R., Volney, W. J. A., Bergeron, J. A. C.
Abstract: Spatial associations between species of trees and ground-beetles (Coleoptera: Carabidae) involve many indirect ecological processes, likely reflecting the function of numerous forest ecosystem components. Describing and quantifying these associations at the landscape scale is basic to...
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2013
Gardner Costa, J.M., Daly, c., Kovalenko, K.E., Dixon, D.G., Ciborowski, J.J.H., Slama, C.A., Kennedy, K., Foote, A.L., Liber, K., Smits, J.E.G., Frederick, K.R., Roy, M.C., Farwell, A.J.
Boreal wetlands play an important role in global carbon balance. However, their ecosystem function is threatened by direct anthropogenic disturbance and climate change. Oil sands surface mining in the boreal regions of Western Canada denudes tracts of land of organic materials, leaves large areas...
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Role of adventitious roots in water relations of tamarack (Larix laricina) seedlings exposed to flooding
Download2012
Calvo-Polanco, M., Senorans, J., Zwiazek, J.J.
Background: Flooding reduces supply of oxygen to the roots affecting plant water uptake. Some flooding-tolerant tree species including tamarack (Larix laricina (Du Roi) K. Koch) produce adventitious roots in response to flooding. These roots were reported to have higher hydraulic conductivity...
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High levels of green-tree retention are required to preserve ground beetle biodiversity in boreal mixedwood forests
Download2010
Jacobs, J.J., Volney, W.J.A., Work, T.T., Spence, J.R.
Recovery of biodiversity and other ecosystem functions to pre-disturbance levels is a central goal of natural disturbance-based approaches to ecosystem management. In boreal mixedwood forests, green-tree retention has been proposed as an alternative approach to traditional clearcutting that may...
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Potential effects of climate change on tree species and ecosystem distribution in British Columbia
Download2006
A new ecosystem-based climate envelope modeling approach was applied to assess potential climate change impacts on forest communities and tree species. Four orthogonal canonical discriminant functions were used to describe the realized climate space for British Columbia's ecosystems and to model...
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Assessing opportunities and constraints in campus sustainability: The role of paper consumption
Download2010
Clark, M. R., Isaev, N., Davidson, D. J.
This article presents the findings of a case study of paper consumption behavior at the School of Public Health at the University of Alberta. Using methods of social research such as survey, focus groups, and behavioral experimentation, we tested explanations of pro-environmental behavior with...
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2007
Hacke, Uwe G., Feild, Taylor S., Sano, Yuzuo, Sperry, John S., Sikkema, Elzard H.
We tested two hypotheses for how vessel evolution in angiosperms influenced xylem function. First, the transition to vessels decreased resistance to flow—often considered the driving force for their evolution. Second, the transition to vessels compromised safety from cavitation—a constraint...
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2006
Olson, E.C.S., Miller, J.J., Chanasyk, D.S.
This two-year study examined the effects of two types of bedding materials (straw and wood chips) and two within-pen locations (bedding pack and pen floor) on various feedlot runoff parameters in southern Alberta, Canada, using a rainfall simulator Bedding type affected antecedent factors and...