Vanadium Contamination of Lichens and Tree Foliage in the Vicinity of Three Oil-Fired Power Plants in Eastern Canada

R. Juichang Centre of Environmental Sciences, Peking University, Beijing, China

B. Freedman Department of Biology and School for Resource and Environmental Studies, Dalhousie University, Halifax, Nova, Canada

C. Coles Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada

B. Zwicker SLOWPOKE Facility, Trace Analysis Research Centre, Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada

J. Holzbecker SLOWPOKE Facility, Trace Analysis Research Centre, Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada

A. Chatt SLOWPOKE Facility, Trace Analysis Research Centre, Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada

Abstract

Vanadium concentrations were determined by neutron activation analysis in samples of epiphytic lichens and tree foliage collected at sites along 10 transects in the vicinity of three oil-fired power plants in eastern Canada. The vanadium concentrations in plants decreased exponentially with increasing distance from the power plants. Substantially larger concentrations of vanadium occurred in lichen tissues than in tree foliage. Lichens clearly are more suitable for bio-monitoring environmental contamination with vanadium near oil-fired power plants.

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Vanadium Contamination of Lichens and Tree Foliage in the Vicinity of Three Oil-Fired Power Plants in Eastern Canada

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Vanadium Contamination of Lichens and Tree Foliage in the Vicinity of Three Oil-Fired Power Plants in Eastern Canada

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