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Weathering of open adits, dumps and non-isolated tailing impoundments at abandoned ore deposits cause many problems such as water, soil and stream sediments contamination by potentially toxic elements. Soil contamination often results in a local change in biodiversity. In the present study, we describe the diversity of plants and fungi in the areas contaminated mainly with arsenic and antimony. The highest contaminant contents (As, Sb, Pb, Zn, Cu) in soils were generally identified in alluvia of draining streams. ...

Potentially toxic elements such as arsenic and antimony represent dangerous contaminants for the ground and surface water around abandoned Sb deposits in Slovakia. Therefore, we are working on a complex study on the material from tailings, including mineralogy, water quality and microbial inhabitants of the contaminated waters. The aim of the work presented here, was to observe the chemical composition of iron ochres and the role of the microbial diversity in the mobilization or immobilization of As and Sb from a ...