This report describes both the accomplishments to date and the long-term plans of the joint project between the Toxic Substances Program of the Canadian Forestry Service and the Research Management Division of Alberta Environment. No evidence of impact on jack pine physiology was found when concentrations of the dominant pollutants from Oil Sands operations equivalent to 104 years of soluble disposition were added to intact soil cores. Evidence indicates that the surface litter layer or LFH horizon plays a dominant role in protecting both the mineral soil and established plants from pollutant effects either through an improved nutrient balance or by complexing the pollutants. Several major cations increase in solubility with the addition of SO4 and nutrient depletion may occur in field situations. Metal pollutants did not enhance the solubility of cations as has been reported elsewhere. The lichen Evernia mesomorpha responded to S02 at lower levels than reported elsewhere and demonstrated that it was indeed sensitive to this pollutant. Further work is required to clarify the response of this lichen's physiology and sulphur uptake during fumigation with S02.
Related Resources
Predation Risk for Boreal Woodland Caribou in Human-modified Landscapes: Evidence of Wolf Spatial Responses Independent of Apparent Competition
Resource Date:
November
2018
Compensatory Conservation Measures for an Endangered Caribou Population Under Climate Change
Resource Date:
November
2018
The Effects of Black Spruce Fuel Management on Surface Fuel Condition and Peat Burn Severity in an Experimental Fire
Resource Date:
December
2018
Conference Program - 17th North American Caribou Workshop 2018
Resource Date:
2018
Video - Vegetation Management: Chemical & Cultural Controls
Resource Date:
2018
Was this helpful?
|