Land degradation levels in the municipality of Taperoá, Paraíba
DOI:
https://doi.org/10.6008/CBPC2179-6858.2021.004.0007Keywords:
Vegetal cover, Soil degradation, RiskAbstract
The municipality of Taperoá is located in the central region of the State of Paraíba, Mesoregion Borborema and Microregion of Western Cariri. The municipality is included in the geographic area of coverage of the semiarid region of Brazil, having as criteria the rainfall index, the aridity index and the risk of drought. This research is centered on the study of environmental degradation in the municipality of Taperoá - Paraíba, taking into account the geographic limits around the sub-basin of the river, in the north, Areia de Baraúna, Salgadinho and Assunção, in the east, Santo André and São José dos Cordeiros, to the south, São José dos Cordeiros and Livramento, and to the west, Cacimbas and Passagem. Resources available through geoprocessing techniques were used. The general objective of the research is to analyze the levels of degradation from a space-time study of vegetation cover, land degradation, in addition to the region's vulnerabilities, which are social, economic, technological, environmental and susceptibility to droughts. To meet these objectives, comparative studies were carried out for the years 1990 and 2015, within the geographic limits presented. The results in relation to the levels of land degradation, there was a reduction in the levels of low and moderate low degradation (6.4 km2; 72.0 km2), which shows a reduction in the most preserved areas in the region. However, the moderate degradation level had a significant increase (116 km2), this advance in the degradation process is a consequence of deforestation for various purposes.
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