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Enhanced revegetation and reclamation of oil sand disturbed land using mycorrhizae Open Access


Other title
ECM fungi
Oil sands
Type of item
Degree grantor
University of Alberta
Author or creator
Onwuchekwa, Nnenna E
Supervisor and department
Janusz Zwiazek
Examining committee member and department
Janusz Zwiazek (Renewable Resources)
Steve Strelkov (Agriculture Food & Nutritional Science)
Miles Dyck (Renewable Resources)
Scott Chang (Renewable Resources)
Damase Khasa (Adjunct Renewable Resources)
Department of Renewable Resources
Land Reclamation and Remediation
Date accepted
Graduation date
Master of Science
Degree level
This study examined the potential of using conifer seedlings Picea glauca and Pinus banksiana inoculated with ectomycorrhizal (ECM) fungi to improve revegetation success and plant establishment in reclaimed oil sands mining sites. Mycorrhizal inoculum potential of the reclamation soils was low with the maximum inoculum potential of 23% and 29%for ECM and arbuscular mycorrhizae, respectively. The response of seedlings in the field to ECM inoculation varied between plant species and measured parameters. A significant effect of ECM inoculation on height was observed in P. banksiana but not in P. glauca. The average survival rate for P. glauca seedlings inoculated with different species of ECM varied between 36% and 56%, whereas the control (uninoculated) seedlings had minimum and maximum survival rates of 22 and 41% respectively. Generally, it was construed that the re-introduction of mycorrhizal fungi during reclamation process is an important approach that should be further exploited.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
Greer, C.W., Onwuchekwa, N., Zwiazek, J., Quoreshi, A., Roy, S., Salifu, F. and Khasa, D.P. (2011). Enhanced revegetation and reclamation of oil sands disturbed sites using actinorhizal and mycorrhizal biotechnology. Mine closure proceedings, Fourie, A.B., Tibbett, M. and Beersing, A. (eds). Austrailian centre for Geomechanics, Perth. 1, 19-26.

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