Predicted soil organic carbon stocks and changes in the Brazilian Amazon between 2000 and 2030 - Cerri, C E P; Easter, M; Paustian, K; Killian, K; Coleman, K; Bernoux, M; Falloon, P; Powlson, D S; Batjes, N H; Milne, E; Cerri, Carlos Clemente (Agriculture Ecosystems & Environment, 2007)