bachelor's at CIENCIAS BIOLÓGICAS from Universidade de Brasília (1979), master's at Ecology from Instituto Nacional de Pesquisas da Amazônia (1991) and doctorate at Ecology from Universidade Estadual de Campinas (2002). Post-doctorate from Wageningen University (2011). Has experience in Ecology, focusing on applied ecology, acting on the following subjects: Amazon, crocodylia, testudines, use of resources and human ecology.