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COBERTURA VEGETAL NATURAL E USO ANTRóPICO NAS UPGRH’S E BACIAS HIDROGRáFICAS FEDERAIS DO BIOMA CERRADO-MG / Natural vegetation cover and the anthropic use in the UPGRH’s and federals watersheds in the Brazilian Savanna-MG

Keywords: Geoprocessing , Enviromental Analises , Brazilian Savana at Minas Gerais State

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Abstract:

The aim of this work is to analyze the distribution of vegetation cover and the anthropic use atthe Planning and Management Waters Resources Units (UPGRH’s) and federals watersheds ofthe brazilian savana in the Minas Gerais State. The Brazilian Savana at the Minas Gerais Stateis located between the geographic coordinates 14o09' and 21o32' of south latitude and 41o39'and 51o06' of longitude west of Greenwich. Where used at this work vectorials georeferenciateddates of limites, hidrograph and roads of the estudy area and the satelitte images ETM+/Landsat.From the analyzes executed, it was verified that about 52.51% of the area is still covered bynatural vegetation, while 46.24% had lost your natural vegetal cover, and being occupied bydifferents antropic views. The UPGRH’s most preserved they are JQ3 and SF4 and the lesspreserved are GD3, GD6, GD8 and PN3. The federal watershed most preserved they are the watershed of the Jequitinhonha river and watershed of the Pardo river, and the less preservedare the watershed of the Grande river and watershed Paranaíba river. The used methodologywas satisfying and the results found helped with a great contribution to the knowledge of theenviromental characteristics of the Brazilian Savana at the Minas Gerais State.

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