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Anawar, H. M., N. Canha & M. Do Carmo Freitas 2011: Evaluation of atmospheric particle dispersion at a contaminated mine using biomonitors. - International Journal of Environment and Health 5(1-2): 84-92. [RLL List # 223 / Rec.# 32809]
Abstract: This study has carried out the assessment of magnitude of toxic elements contamination in and around the São Domingos mining area, a copper-sulphide open pit mine, and atmospheric transport of above elements by using lichens and Instrumental Neutron Activation Analysis (INAA). Samples of the epiphytic lichen Evernia prunastri and soils were collected. The concentrations of As, Sb, Fe and Zn were very high in all of the soils and lichens: the highest levels were recorded in the lichens sampled close to tailings pile sites and diluted with distance. The concentrations of As, Sb and other elements in the lichen were much higher than the regional background level reflecting the high magnitude of contamination. Patterns of bioaccumulation of elements throughout the study area were quite similar for widespread pollutants such as As, Sb, Zn and Fe. The results showed that lichens are important biomonitors of terrestrial and atmospheric pollution in mining-affected areas.

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