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This paper analyzed of the fragility to erosion process of the watershed of the streams Carioca, Bacao and Ribeirao Carioca, tributary of the Das Velhas basin. This area of the agriculture, farming, mining, of new land parceling, which due to the emergencial characteristics has been done without proper land use planning. Beyond, serious erosion process. Thus, was analyzed of the natural fragility of the landforms to the erosion process, through and the methods proposed at Ross (1992; 1994; 2000) and Crepani et. al. (1996, 2001). In the Ross (op. cit) methods the results show two groups main areas fragility to erosion, one group of the instability (60% of the area) another stable, to share in the eight class of the fragility. The method of Crepani (op. cit) resulted in three groups of vulnerability, (high vulnerability - 28% of the area, middle vulnerability - 55% of the area and low vulnerability – 17% of the area). The results they classify the area according to degree of fragility and vulnerability to the erosive processs, that associates to the analyses carried through in the present study is very important of the environmental management, prevention and/ or recovery of the erosion process, of the territorial zoning and of land use planed of the basins studied.

revista brasileira de geomorfologia

Análise da Fragilidade e Vulnerabilidade Natural dos Terrenos aos Processos Erosivos como Base para o Ordenamento Territorial: o Caso das Bacias do Córrego Carioca, Córrego do Bação e Ribeirão Carioca na Região do Alto Rio das Velhas-MG