The present research refers to the analysis of environmental transformations in the Formiga river basin, located in the municipalities of Ipueiras, Santa Rosa do Tocantins, Silvanópolis, Pindorama do Tocantins, with emphasis on aspects of Land Use and Occupation. The main objective was to verify the transformations that occurred in the environment, related to the different modes of use. As a method, we opted for Remote Sensing techniques, which used images from Landsat satellites, TM sensor (Thematic Mapper) from the years 1990, 2000 and 2010 and the OLI sensor (Operational Land Imager) from the year 2022, both with a spatial resolution of 30m, obtained free of charge via the website of the United States Geological Survey (USGS) and the National Institute for Space Research (INPE). The software used was QGIS and Spring. In general, the results provided the observation of significant environmental transformations that occurred in the river basin as a result of Land Use and Occupation, mainly highlighting the reduction of vegetation of Cerrado and the increase in agricultural activities. The importance of using Remote Sensing to analyze environmental transformations and aspects of Land Use and Occupation is also highlighted, serving as an environmental management and planning tool.
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