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2. Detection and geographical distribution of clearing areas in the savannas (’lavrado’) of Roraima using Google Earth web tool;Barbosa;J. Geogr. Reg. Plann.,2011
3. The “Lavrados” of Roraima: biodiversity and conservation of Brazil’s Amazonian savannas;Barbosa;Funct. Ecosyst. Communities,2007
4. Above-ground biomass and the fate of carbon after burning in the savannas of Roraima, Brazilian Amazonia;Barbosa;Ecol. Manag.,2005
5. Root biomass, root:shoot ratio and belowground carbon stocks in the open savannahs of Roraima, Brazilian Amazonia;Barbosa;Aust. J. Bot.,2012