Impactos ambientais e expansão urbana nas cabeceiras de drenagem do córrego catingueiro Anápolis/GO

Abstract

Anápolis is an important city inland in Goiás. Its population is about 287.666habitants (According to Census 2000, IBGE - Brazilian Institute of Geography and Statistics). This city has come presenting an intensive urbanization that is associated to the economic and industrial growing, in the latest years. The sub basin of Catingueiro, established on west of the city, was chosen to this research because it is an area with a big quantity of sources of João Leite River, and it also is a region of natural preservation. The sub basin area of Catingueiro is of 114 Km² and it is between the parallel 16°14' 07" e 16° 21' 41" S and the meridians 49° 06' 34" and 48° 56' 27" W. This place of high slopping is partially occupied by residential squares of different social classes, by little industries and bots. The purpose of this research was of make a diagnoses of the environment conditions in the sub basin of Catingueiro, to identify the negative impacts and to analyze the those relationships with the urban expansion towards its sources. This work had used come types of investigation like bibliography revision, analysis of sediments, satellite images, geoprocessing, documental research and another ones. The results obtained prove that the occupation in the fountain of Catingueiro are occurring with no order and is making the negative impacts grow. Due to a low basic structure, deforestation, pollution and a big quantity of trash, this region is becoming distructured. Scores about the environment allowed knowing the characteristics the environment conditions, and social, economic and legal ones, that are the base to changes the conservation of the natural resources and restauration of they damaged areas.