ABSTRACT Soils of the Quadrilátero Ferrífero are rich in mineral resources, especially gold and iron. Soil management and mining activities greatly impact soil biology. However, studies addressed to the diversity of microorganisms and their ecological role in the recovery of these areas are scarce. This study aimed to assess the yeast occurrence in soils with natural vegetation (Atlantic Forest, neotropical savanna, and iron outcrop) and areas with anthropogenic modifications (Eucalyptus stand and rehabilitated area) in the Quadrilátero Ferrífero region. We […]

The use of organic residues has been shown to be effective for the revegetation of mined areas. However, data on the quality of mine spoils treated with organic residues are rather scarce. This study aimed to evaluate the spoil quality of a mined area in the Brazilian Federal District treated with 250 Mg ha-1 of domestic sewage sludge and covered with herbs grown from seeds. The soil attributes used for the evaluation were bulk density, total porosity, available water capacity, soil resistance […]

Soil contamination is nowadays a problem that requires detailed investigation in order to set up criteria for distinction between natural anomalies and antropogenic contribution. This work was carried out to evaluate zinc distribution and fractions, aiming to identify the origin of high Zn content in soils around mining areas in the Vazante county -MG (Brazil). Soil profiles were sampled in mined areas, and in upslope and downslope positions at depths of 0-2, 2-5, 5-10, 10-20, 20-50, 50-100 and 100-150 cm. A […]