Riverine organic matter composition as a function of land use changes, southwest Amazon - Bernardes, Marcelo Corrêa; Martinelli, Luiz Antonio; Krusche, Alex Vladimir; Gudeman, Jack; Moreira, Marcelo Zacharias; Victoria, Reynaldo Luiz; Ometto, Jean Pierre Henry Balbaud; Ballester, Maria Victoria Ramos; Aufdenkampe, Anthony K; Richey, Jeffrey Edward; Hedges, John I (Ecological Applications, 2004)