An analysis of landscape dynamics in permanent preservation areas in 1985, 2001 and 2022, in the municipality of Angra dos Reis, state of Rio de Janeiro
DOI:
https://doi.org/10.5016/geografia.v51i1.19453Abstract
Monitoring Permanent Preservation Areas (APPs) is particularly challenging in large countries such as Brazil, requiring efficient methodologies to support management and restoration. In this scenario, geotechnologies have proven to be fundamental to generate and analyze land use and land cover data. This article aims to examine the landscape dynamics and land use and land cover changes in APPs in Angra dos Reis in 1985, 2001, and 2022, based on geoprocessing and remote sensing techniques. Angra dos Reis has 816.3 km², about 86.14% of vegetation cover, and a high number of conservation units, but suffers increasing anthropogenic pressure related to population expansion. Results indicate significant changes in the APPs of watercourses, a consequence of the installation of Angra I and II nuclear power plants, highlighting shifts in territorial dynamics. On the other hand, the APPs on hilltops showed less variation, maintaining the predominance of dense ombrophilous forest throughout the analyzed period.
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