Abstract
Marked differences exist between the S and Pb concentration Cladina ransiferina collected from eastern Canada and the Northwest Territories, Canada. These differences reflected the differing emission/deposition rates in the two regions. The spatial distribution of S and Pb in the lichen from eastern Canada is described in detail. Mean S concentrations ranged from 329 to 959 μg g-1; Pb concentrations varied in the range 3 to 21 μg g-1. A regional gradient in lichen S concentrations was evident with the highest concentrations being found in central and north-central Ontario and the lowest in Newfoundland. A regional gradient for Pb was apparent but was not as well defined as that for S. The regional distribution of S illustrated by the lichen agreed with another indirect measurement of S deposition. Lichen S concentrations correlated with measured wet sulphate deposition.
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© 1986 Springer Science+Business Media Dordrecht
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Zakshek, E.M., Puckett, K.J., Percy, K.E. (1986). Lichen Sulphur and Lead Levels in Relation to Deposition Patterns in Eastern Canada. In: Martin, H.C. (eds) Acidic Precipitation. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3385-9_15
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DOI: https://doi.org/10.1007/978-94-009-3385-9_15
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