ESTUDO DA ÁREA DE PRESERVAÇÃO PERMANENTE DO RIO MOSSORÓ NO SÍTIO URBANO DE MOSSORÓ-RN POR MEIO DE TÉCNICAS DE GEOPROCESSAMENTO
2012
DANIEL ROBERTO ARAÚJO | PAULO CÉSAR MOURA DA SILVA | NILDO DA SILVA DIAS | DANIELY LIDIANY COSTA LIRA
The riparian forests, belonging to the permanent preservation areas, are of fundamental importance for the preservation of water quality and minimize the effects of erosion on soil and thus the sedimentation of river. The land use of these areas cause environmental risks, especially to water resources. The geospatial technologies are, in the current scenario, as a tool that shows the real situation of the area, identifying the critical points, thus contributing to better management of these areas. Therefore, this study aimed to establish a spatial study of APP of the Mossoró river in urban area of municipal district of Mossoró, in the state of Rio Grande do Norte, identifying the main causes of degradation and it's consequences to environment, especially the water resource, through geoprocessing's techniques. Geographic Information System (GIS) were used to spatially delimitate the area and image processing. Deforested areas comprised 310 ha, being more concentrated among the East-West Bridge and Barrocas's dam. Edification areas were more concentrated in Santa Luzia's Island and between Castelo Branco and Jerônimo Rosado's Bridges, occupying 78 ha. The areas covered by vegetation comprised 70 ha, which more concentrated in the area of Genesio' dam. There was enough sources of water pollution, especially domestic sewage.
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