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Permanent link (DOI): https://doi.org/10.7939/R3CR5NK45

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The effects of subsoil ripping on soil physical properties and soil water dynamics on reconstructed soils at Genesee Prairie Mine, Alberta Open Access

Descriptions

Other title
Subject/Keyword
reconstruction
mine
compaction
ripping
boreal
Genesee
aspen
parkland
subsoiling
soil
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Sabbagh, Pamela J
Supervisor and department
Dyck, Miles (Renewable Resources)
Examining committee member and department
Quideau, Sylvie (Renewable Resources)
Hernandez Ramirez, Guillermo (Renewable Resources)
Department
Department of Renewable Resources
Specialization
Soil Science
Date accepted
2014-04-01T08:49:56Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Surface mining activities have significantly depleted natural tree cover, especially trembling aspen (Populus tremuloides), in the Boreal Forest and Aspen Parkland Natural Regions of Alberta. The natural soil profile is usually destroyed during these mining activities and soil and landscape reconstruction is typically the first step in the reclamation process. However, the mine tailings and overburden materials used for these new soils often become compacted during the reconstruction process because they are subjected to high amounts of traffic with heavy equipment. Compacted soils generally have low porosity and low penetrability through increased soil strength, making it difficult for roots to elongate and explore the soil. Compaction also reduces infiltration capacity and drainage, which can cause excessive runoff and soil erosion. To improve the pore size distribution and water transmission, subsoil ripping was carried out in a test plot at Genesee Prairie Mine, Alberta. Within the site, six replicates with two treatments each, unripped (compacted) and ripped (decompacted), were established with 20-m buffers between them. The main objective of this research was to characterize the effects of subsoil ripping on soil physical properties as well as soil water dynamics during spring snowmelt. Results showed improved bulk density, pore size distribution and water infiltration in the soil as a result of the deep ripping. The ripping treatment likely improved the soil physical properties with respect to aspen revegetation.
Language
English
DOI
doi:10.7939/R3CR5NK45
Rights
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.
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File author: Sabbagh, Pam
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