Análise dos impactos ambientais negativos na sub-bacia hidrográfica do Córrego Panduí - município de Amambai/MS

Abstract

This work proposes to analyze the environmental impacts in the sub-basin hydrographic of the Panduí Stream in the municipality of Amambai / MS. Using for such, the theoreticalmethodological base of systemic thinking, and the landscape concept, based in Landscape Geoecology. In the methodological procedures, were used geoprocessing techniques for the elaboration of cartographic products and later elaboration of map of Ecodynamic Units, and of environmental impacts. It was found that the basin has two predominant economic activities, agriculture, and livestock. These activities, together with the others, when associated with the physical characteristics, the area of the sub-basin has 51.58% in the Ecodynamic Unit of Emergent Instability, and 33.09% in high degree areas. In these areas also concentrate the majority of negative environmental impacts, being the areas of greater degree of environmental fragility, the places most susceptible to impacts by erosion. Due to the anthropization of the priority areas for the preservation, only 5.45% of vegetation, being only 21% in areas of riparian forest. In the humid areas 20% were anthropized, a condition that suppresses environmental services. These impacts, which are representative of the sub-basin Panduí Stream, the dynamics of erosive processes accelerated by economic activities, with the anthropization of priority areas preservation, the area is in a stage of low degraded to degraded. This condition, if maintained without taking measures that minimize environmental impacts, water resources will be seriously affected, in view of the current appearance of sand bank in the stream.