Large net CO2 loss from a grass-dominated tropical savanna in south-central Brazil in response to seasonal and interannual drought

Paulo Henrique Zanellada de Arruda1, George L Vourlitis2, Franciele Bomfiglio Santanna1, Osvaldo Borges Pinto Jr1, Francisco de Almeida Lobo Sr.1 and José de Souza Nogueira1, (1)UFMT Federal University of Mato Grosso, Cuiabá, Brazil, (2)California State University San Marcos, Biology, San Marcos, CA, United States