Diagnóstico ambiental da Bacia Hidrográfica do Córrego Mandaqui, São Paulo (SP), para a Implantação de áreas verdes urbanas
Silva, Ariana Guimarães da
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The existence of green areas in urban environments has always been justified by the potential of their ecological functions and environmental benefits acting directly on the population life quality, exerting a role through the mitigation of urbanization negative consequences. When green and urban areas are connected, favor the formation of an integrated network of permeable and vegetatede fragments, composing a Green Infrastructure. In this sense, the main objective of this work was to carry out an environmental analysis of the Mandaqui watershed, located in São Paulo (SP), as a subsidy to identify priority areas for green areas implantation. Geographic Information System (GIS) tools were used to data spatial interpretation, statistical analysis and cartographic products elaboration. The maps generated were used to determine the area physical characterizations and its environmental analysis. Several environmental fragilities were identified, such as intense urban occupation, with severe soil sealing, areas subject to flooding, occurrence of erosive processes, occupation of drainage headwaters, demarcation of valley bottoms, and irregular occupation of river banks. After the environmental analysis, land use and occupation and priority parameters maps were elaborated, which allowed the selection of territorial units suitable for green areas and greenways implantation according to established constraints.