Análise fisiográfica e do uso do solo em áreas de influência do Refúgio de Vida Silvestre Estadual dos rios Tijuco e da Prata

Abstract

In the micro-region of Ituiutaba, in the state of Minas Gerais, the Refúgio de Vida Silvestre Estadual dos rios Tijuco e da Prata was created, which is a conservation unit that protects aquatic biodiversity and other species. However, this area is restricted to the areas of the Tijuco and Prata river-banks. In order to expand the conservation of wild species, it would be important to include others. This way, the rivers and streams that flow into the refuge can play the role of natural ecological corridors that allow the percolation of gene flow and migration of species, and are protected by the Forest Code as they are permanent preservation areas (PPA). These environmental conservation agents are fundamental in an increasingly fragmented and chaotic scenario of the expansion of monocultures and extensive cattle raising. The objective was to characterize the physiography and analyze the land use in the watershed of the Tijuco’s and Prata rivers in Minas Gerais, where the Wildlife Refuge Conservation Unit is located. To this end, photointerpretation techniques were employed through remote sensing and geoprocessing to elaborate thematic cartographic products that enabled the environmental analysis of the study area. The results of the compartmentalization data and the delimitation of PPAs corroborate notes on the uses and occupation of the soil in the area, highlighting the need for the expansion of conservation units and their connectivity with their areas of influence.