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Reclamation of wetland habitat in the Alberta oil sands: generating assessment targets using boreal marsh vegetation communities Open Access

Descriptions

Other title
Subject/Keyword
marsh
vegetation
Index of Biological Integrity
oil sands
assessment
wetland
reclamation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Raab, Dustin Jeremy
Supervisor and department
Bayley, Suzanne (Department of Biological Sciences)
Examining committee member and department
Foote, A. Lee (Department of Renewable Resources)
Paszkowski, Cynthia (Department of Biological Sciences)
Department
Department of Biological Sciences
Specialization

Date accepted
2010-08-12T21:22:54Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
Thousands of hectares of wetlands are being destroyed by oil sands mining in Alberta, and the industry must undertake wetland reclamation to compensate for these losses. Wetland vegetation has developed at some previously mined sites, however reclamation is thus far exploratory, and limited in extent. To inform reclamation practices and assist compliance monitoring I examined vegetation communities in 25 natural boreal wetlands and 20 oil sands reclaimed wetlands, developed a Vegetation-based Index of Biological Integrity (vIBI) to quantify the ecological health of wetlands, and identified possible physical and chemical barriers to reclamation. The vIBI identified 6 reclaimed wetlands in fair to good health, however reclaimed wetlands have different vegetation communities, do not produce the same level of aboveground biomass, and have lower levels of sediment nutrients than natural wetlands. To reclaim healthy wetlands, planning should focus on establishing appropriate species, and alleviate nutrient and sediment deficiencies.
Language
English
Rights
License granted by Dustin Raab (draab@ualberta.ca) on 2010-08-09T18:59:06Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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.
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File format: pdf (Portable Document Format)
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File size: 2541774
Last modified: 2015:10:12 10:45:12-06:00
Filename: Raab_Dustin_Fall 2010.pdf
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Status message: File header gives version as 1.4, but catalog dictionary gives version as 1.3
File title: Raab_Dustin_Fall 2010
File author: Dustin Raab
Page count: 129
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