Plant facilitation effects as a potential restoration tool in riparian ecosystems in Southwestern British Columbia
MacCallum, Keith (author) Cohen-Fernandez, Anayansi (thesis advisor) British Columbia Institute of Technology School of Construction and the Environment (Degree granting institution) Simon Fraser University Faculty of the Environment (Degree granting institution)
Dissertation/thesis
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British Columbia Institute of Technology
2019-04-15
95 pages
This study began to investigate potential facilitative effects among shrub species in riparian ecosystems in southwestern British Columbia. I ran two concurrent studies. Six plots for each of four treatments were established at the Coquitlam River Wildlife Management Area. The first two treatments compared the survival, growth, flowering, and herbivory rates of planted twinberry seedlings in plots where the shrub layer was removed to plots where it was not. The other two treatments compared the survival, growth, leaf loss, flowering and herbivory rates of snowberry plants in plots where the salmonberry upper shrub layer was removed to those where it was not. No significant differences between the measured parameters in any of the treatments were found. These results are discussed in the context of the riparian forest ecosystem and current facilitation theory. The results are then used to inform an ecological restoration plan for the Suwa’lkh School Forest.
Facilitation Riparian forests Native vegetation Symphoricarpos albus Lonicera involucrate Rubus spectabilis Ecological restoration
Restoration ecology Riparian forests Endemic plants Symphoricarpos albus Salmonberry
School of Construction and the Environment
electronic
Master of Science