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1980
Addison, P. A., Khan, A. A., Malhotra, S. S.
A number of coniferous and deciduous species that had been growing on the Suncor tailings sand dike for five to seven years were fumigated with 0.34 ppm SO2 under controlled environmental conditions. The results obtained were compared with those from similar fumigations of the same species grown...
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1980
Several important biochemical functions in an epiphytic lichen, EVernia mesomorpha, in response to controlled SO2 exposures were studied. Appreciable changes in these functions were observed even at a very low SO2 concentration (0.1 ppm), suggesting that epiphytic lichens are probably one of the...
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Ecological bench-marking and biomonitoring for detection of airborne pollutant effects on vegetation and soils
Download1980
Biomonitoring plots established in 1976 and 1977 were revisited in 1979 and quantified with respect to their vascular plant community of the lower stratum, lichen community of black spruce branches, and both soil and plant element contents. There was no measurable change in any of the above...
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Baseline condition of jack pine biomonitoring plots in the Athabasca oil sands area 1976-1977
Download1980
In 1976-77, a set of 13 jack pine biomonitoring sites was established in the Athabasca Oil Sands area in order to biomonitor both impingement and impact of emissions characteristic of oil sands extraction operations. No measureable air pollutant effect was observed on either vascular or lichen...