Silva, Lucas C R Importance of climate-driven forest-savanna biome shifts in anthropological and ecological research. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Sep 2014 - E3831-2 p. digital Publication Type: Letter; Comment ISSN: 1091-6490 Standard No.: 10.1073/pnas.1413205111 doi Subjects--Topical Terms: EcosystemEnvironmentTrees--physiology