Abstract
In the mercury mining area of Mount Amiata metal contents were determined in plant parts of Pinusnigra, Cedrusatlantica and Cytisusscoparius, in lichens and in soil.Mercury concentrations were higher in vegetation growing on spoil banks of abandoned roasted cinnabar than near geothermal power plants. Green plant parts accumulated mercury to a greater extent than branch and root wood, and a mercury concentration increase was found in ageing pine and cedar needles. Moreover, in the most contaminated location, mercury contents in cedar needles decreased with the distance from the ground. Considerations and hypothesis were made on mercury uptake by plants in this area.
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