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Evaluating Establishment of Native Rhizomatous Grass Species for Reclaiming Sites in Southern Alberta with Limited Topsoil

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Title: Evaluating Establishment of Native Rhizomatous Grass Species for Reclaiming Sites in Southern Alberta with Limited Topsoil
Author: McGregor, Laura Elizabeth
Department: School of Environmental Design and Rural Development
Program: Landscape Architecture
Advisor: Karen, Landman
Abstract: Anthropogenic disturbances to Alberta’s landscape have resulted in the widespread removal of indigenous plant communities. Steep slopes and limited topsoil are often barriers when trying to reestablish vegetation; however, native rhizomatous grass species have a number of traits that make them ideally suited to revegetate challenging sites. A field study evaluated the establishment of three species of native perennial rhizomatous grasses (Calamagrostis canadensis, Calamovilfa longifolia, and Hierochloe odorata) from three propagation methods. Initial results suggest that these species were able to establish and survive on these sites despite poor soil conditions. Establishment was poor in seeded plots (24.1%), but improved with root cuttings (75.9%) and nursery-grown plugs (96.3%). The use of vegetative establishment methods could increase the successful application of native grass species, and encourage their use in landscape design and restoration projects.
URI: http://hdl.handle.net/10214/6585
Date: 2013-04


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