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Skip to Search Results- 97Graduate and Postdoctoral Studies (GPS), Faculty of
- 97Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 48Oil Sands Research and Information Network (OSRIN)
- 24Renewable Resources, Department of
- 19Biological Sciences, Department of
- 18Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 97Thesis
- 67Report
- 45Article (Published)
- 16Research Material
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- 3Conference/Workshop Presentation
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Fall 2023
Global change is altering ecological communities and the food webs they support, reducing food web persistence. While a variety of features likely impact the dynamics of perturbed food webs, the relative importance of intrinsic factors (i.e. characteristics of the food web itself) and extrinsic...
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The effects of underplanted white spruce on understory environment and vegetation in aspen-dominated stands of the western boreal forest
DownloadSpring 2012
In the boreal forest of Alberta, Canada, underplanting white spruce (Picea glauca) in aspen (Populus tremuloides) forests attempts to address concerns about "unmixing the mixedwoods". Important ecological differences exist between mixedwood, broadleaf and conifer forests. I studied changes in...
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The OSRIN Story: Five Years of Creating and Sharing Oil Sands Environmental Management Knowledge
Download2014-12-31
The Oil Sands Research and Information Network (OSRIN) was originally proposed to the Oil Sands Environmental Management Division of Alberta Environment by the School of Energy and the Environment (SEE), University of Alberta in December 2007. The need for OSRIN was described as follows:...
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The potential of forest floor transfer for the reclamation of boreal forest understory plant communities
DownloadFall 2011
We examined a direct forest floor transfer reclamation technique to establish a native boreal forest understory plant community on a reclamation site at a coal mine. Forest floor material was salvaged from an aspen-dominated (Populus tremuloides Michx.) donor forest at two depths (15 and 40 cm)...
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2002
Purdy, B. G., Dale, M. R. T., MacDonald, S. E.
Abstract: Early establishment of white spruce (Picea glauca) in mixedwood boreal forest stands following fire was examined at several times-since-fire (1-, 2-, 4-, 6-, 14-years). Abiotic and biotic conditions in the stands were assessed at two scales, tree plot (5 in x 5 in) and microsite (1 m x...
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The Restorative Imperative: Challenges, objectives and approaches to restoring naturalness in forests
Download2011
Burton, P. J., MacDonald, S. E.
Abstract: Many of the world's forests are not primeval; forest restoration aims to reverse alterations caused by human use. Forest restoration (including reforestation and forest rehabilitation) is widely researched and practiced around the globe. A review of recent literature reveals some common...
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Fall 2017
Legacy propagule banks of salvaged topsoils are excellent sources of plant propagules for reclamation of mine sites. However, prior studies show that less than 50% of species found in original propagule banks actually establish. We hypothesize that the expression of this legacy propagule bank is...
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2004
Jiang, M.X., Wu, J., Gao, X.M., Shen, Z.H., Jiang, Z.G., Primack, R.B., Huang, J.H., Han, X.G., He, F.
The Three Gorges Dam in China is the largest dam ever built. Its impacts on the biodiversity and ecological processes in the region are causing concern to ecologists worldwide. The dam and associated environmental alterations may result in a number of regional changes in terrestrial and aquatic...
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The use of peat applications and Carex aquatilis for peatland reclamation on post mined landscapes in northern Alberta, Canada
DownloadFall 2018
I investigated peatland reclamation factors in a wetland built on a former open-pit oil sands mine in northern Alberta, Canada. The primary research objectives were to investigate the persistence of peat placed in a newly constructed wetland, the survival and establishment of Carex aquatilis...
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