A aplicação de geotecnologias na gestão espacial da microbacia do Rio Farinha - PB consoante a Legislação Ambiental Brasileira.

Abstract

As a unit for planning purposes, to integrate water and soil, bulky for the maintenance of life, the watershed is of fundamental importance to management and management of the environment and natural resources. Therefore, this study aims to use the spatial distribution and land use in the watershed of the Farinha River, observing that which expresses the Brazilian environmental legislation. The watershed of the Farinha River is located in the central-western state of Paraiba, it covers an area of 822.7 km ² and is bounded by the coordinates 07° 01' 39" to 07° 16' 50" latitude and 36º 43' 41" at 37° 16' 28" longitude of Greenwich. We used images from the Satellite Landsat-5 and the geo processing techniques, and the integration of plans was done in the Geographic Information System Idrisi Andes version 15.0. In order to verify compliance of the adequacy of land use, we crossed plans of the current information of the Land Use and the Preservation Areas. Among the classes of land use and soil, open wooded Caatinga shrub (CAAA) was more significant with 46.5% of the area. We observed patches of anthropogenic following the shores of the Farinha River and especially on the outskirts of cities and districts. In higher areas of the watershed, primarily in Sierra Aba, we found a different type of vegetation. Approximately half of the land in the basin is permanent preservation areas and restricted use.