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The Ribeirao Carioca’s basin located in the district of Sao Goncalo do Bacao, Itabirito (MG), central portion of the Iron Quadrangle, presents a large concentration of erosive forms with some dozens of meters of large and deep. These erosive forms are responsible for problems such as abandonment of rural plots, agricultural deficiencies, losses of soil and the silt up of river courses, leading to economic, social and environmental losses for the public power and the population as a whole. This study aims to explore the spatial distribution of such forms, as well as their main characteristics, with the analysis of the geomorphologic profile of the area, to know the erosive processes and to contribute to the identification of environmental fragilities of the region. The work resulted in an inventory of the erosive forms, distributed throughout the entire basin area, according to the geologic-geomorphopedologic compartmentalization and altimetric distribution. The arrangement of these erosive processes in the region led to a highly degraded landscape and environmental risks. Besides, the continuous interventions upon the environment, for three centuries, make inevitable the creation of actions seeking the preservation and eventual recuperation of the area.

Os Processos Erosivos Lineares da Bacia Hidrográfica do Ribeirão Carioca, Itabirito/MG e seus Condicionantes Principais: observações preliminares