Evolução espaço-temporal do uso do solo na estação ecológica do rangedor e seu entorno
DOI:
https://doi.org/10.6008/SPC2179-6858.2017.003.0022Keywords:
geoprocessamento, unidade de conservação, uso da terra, expansão urbanaAbstract
The creation of Conservation Units (CU) is an essential tool for the conservation of natural environments, especially in the metropolitan areas, as is the case of the Rangedor Ecological Station - ESEC, characterized as unit of integral protection that allows only the indirect use of natural resources. This paper deals with the spatial and temporal patterns of use of the land in the ESEC of Rangedor and its surrounding area (1 km), in the years 1976, 2001 and 2012, in order to analyze the dynamics of spatial-temporal changes and if the UC is being effective in its ecological function. For this purpose, we used the geoprocessing and remote sensing tools, as well as survey of field, aiming to understand the dynamics of environmental impacts in the impairment of habitats and ecological components of the protected area and the geoenvironmental aspects and socioeconomic variables that permeate the water problem in the Rangedor Ecological Station. It was found that there was a significant reduction of drainage in the protected area, in addition to the occurrence of other impacts such as deforestation, invasion of alien species, burned and solid waste disposal, which compromises the attributes and the framework of conservation unit in the category of integral protection. On the other hand, in spite of all the environmental problems observed in this study, the existence of the ESEC offers the possibility of recovery of the natural vegetation and acts effectively against the threat of building for the inside protected area.
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