1. Department of Environment and Natural Resources, National Institute of Colonization and Agrarian Reform (INCRA), Goiânia, GO, Brazil
2. Social-Environmental Studies Institute/Image Processing and GIS Laboratory, Federal University of Goiás (UFG), Goiânia, GO, Brazil
3. School of Agriculture/Department of Rural Development, Federal University of Goiás (UFG), Goiânia, GO, Brazil