Levantamento dos fragmentos florestais da cidade de Juiz de Fora, Minas Gerais - Brasil

Abstract

This work aimed to identify and map the distribution of urban forest fragments present in the city of Juiz de Fora-MG/Brazil, which was originally surrounded by Atlantic Forest domain. Were considered the fragments of remaining vegetation or not, existing due to the disordered population growth that the city has been suffering. We used the computer application ArcGIS 10, where through the vectorization of aerial photography, courtesy by prefecture in the city, each fragment was mapped. After obtaining all vectorized components, the distribution of the forest fragments present in the landscape of the city was verified using geotechnology and image interpretation on the scale 1: 2000 Being included in the universe any fragment equal to or greater than half a hectare. Were identified 1122 fragments, representing an area of 9.662 ha the urban perimeter. The distribution of thereof is not homogeneously throughout the city. The analysis of the attributes and of the sizes was made with the aid of the same table. The results showed that Juiz de Fora is a city presenting 24% of forest fragments, in the midst of urbanization.