Avaliação da adequação da ocupação do solo em áreas de preservação permanente (APPs)
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Evaluation and adequacy of land occupation in Permanent Preservation Areas (PPAs) are important to ensure quantity and quality of water and local biodiversity. The objective of the study was mapping PPAs according to the Brazilian Forest Code and quantifying land cover and use, establishing the conflict of PPAs occupation in the Ribeirão Lavapés sub watershed. The area is 11,154.58 ha, and is located in Botucatu city, Midwestern region of São Paulo state. For this reason, geoprocessing tools, such as Remote Sensing and the Geographic Information System (SIG) were used. The dominant classes of land use and cover were the Urban Zone in Reverse Cuesta, 4,394.27 ha (39.39 %) and Annual Crops in the Peripheral Depression, 3,670.89 ha (39.39 %). The mapped area of native forest vegetal cover in the sub watershed was of 1,109.70 ha. Regarding the mapping of PPAs, considering the total area of 1,721.80 ha, a total of 532.15 ha (30.91 %) are covered by Riparian Forest and 1,189.65 ha (69.09 %) had no native riparian vegetation, therefore, requiring its reforestation.
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Geographic information system, Geoprocessing, Remote sensing, Riparian forest
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Inglês
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IRRIGA, v. 19, n. 2, p. 333-344, 2014.
