Late Pleistocene and Holocene vegetation changes in northeastern Brazil determined from carbon isotopes and charcoal records in soils - Pessenda, Luiz Carlos Ruiz; Gouveia, Susy Eli Marques; Ribeiro, Adauto de Souza; Oliveira, Paulo Eduardo de; Aravena, Ramon (Palaeogeography, Palaeoclimatology, Palaeoecology, 2010)