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Acceptable salinity, sodicity and pH values for boreal forest reclamation

Description

This report examines plant species used in reclamation and their tolerances for soil salinity, sodicity and pH. The information for each species was obtained from a review of the literature and... More ≫

Description

This report examines plant species used in reclamation and their tolerances for soil salinity, sodicity and pH. The information for each species was obtained from a review of the literature and unpublished information conveyed through personal interviews with people conducting research in this area or working in reclamation. The objective of this report is to determine if the current values for soil salinity, sodicity and pH need to be revised to reflect plant species' tolerances for these soil parameters. The results indicate that the current values used for soil salinity, sodicity and pH should not be changed at this time.

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Athabasca tar sands development : environmental impact statement matrix : physical & chemical characteristics

Description

The methodology of environmental impact analyses incorporates the principle of subjective assessment of the impacts of the separate actions which comprise the project upon various factors of the... More ≫

Description

The methodology of environmental impact analyses incorporates the principle of subjective assessment of the impacts of the separate actions which comprise the project upon various factors of the environment. The significant factors relating to effects on the physical and chemical characteristics of the northern Alberta environment as a result of potential oil sands development in the Athabasca tar sands were documented according to the "Procedure for Evaluating Environmental Impact" - Geological Survey Circular 645. The text of this impact report was based on the sum of magnitude and importance vectors being equal to or greater than 5 for any specific sector of the physical and chemical environment. This report and possible computer data adaptation may provide for additional summation and recommendation of specific actions incurred by oil sands development as these proposals further relate to biological and cultural aspects of the environment.

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