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Permanent link (DOI): https://doi.org/10.7939/R3HD7NW76

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Topsoil Handling During Pipeline Construction in Potentially Arable Forested Luvisols of Northwest Alberta Open Access

Descriptions

Author or creator
Fedkenheuer, A.W.
Faye, R.G.
Finlayson, N.M.
Luther, S.M.
Patterson, T.J.
Additional contributors
Subject/Keyword
Pipeline
Topsoil
Soil
Luvisol
Forest
Stripping Depth
Trench
TransCanada Transmission
NOVA Gas Transmission Ltd.
NGTL Environmental Research Monographs 1999-1
Agriculture
Type of item
Report
Language
English
Place
Time
Description
The objective of this study was to evaluate several pipeline topsoil stripping depths to determine whether they result in land capability equivalent to that of adjacent forested lands broken for cultivation. Topsoil stripping depths were 0 cm, 15 cm and 30 cm. Soils chosen for the study were Orthic and Gleyed Gray Luvisols located south and west of Beaverlodge in northwestern Alberta. The study site was covered with a mature aspen/poplar forest prior to construction. Percent soil organic matter, pH, electrical conductivity, and sodium adsorption ratio, soil strength and particle size distribution on the pipeline trench were compared with pre-disturbance soils and with adjacent controls (which were cleared of forest and subsequently broken for agriculture using breaking practices typical for this area) . Forage biomass, percent cover and species composition comparisons between controls and the trench were made. Five years after construction, no differences between the trench and control areas in any of the vegetation parameters were found on any of the three stripping treatments. Any differences in soil quality were found not to affect vegetation productivity. Control data tended to be more variable than data for the trench. Topsoil from all three stripping treatments was rated 'good' in terms of organic matter 5 years after construction. No stripping (0 cm) of topsoil resulted in lower soil quality compared to the control in some instances, but the agricultural capability ratings for all treatments and their controls were equivalent.
Date created
1999
DOI
doi:10.7939/R3HD7NW76
License information
Rights
Permission for non-commercial use, publication or presentation of excerpts or figures is granted, provided appropriate attribution is cited. Commercial reproduction, in whole or in part, is not permitted without prior written consent. The use of these materials by the end user is done without any affiliation with or endorsement by TransCanada Pipelines Ltd. Reliance upon the end user's use of these materials is at the sole risk of the end user.
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Source
TransCanada Pipelines Ltd.
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