Forest at Chapada de Guimaraes, Brasil (IMAGE) University of Leeds Caption The valley forest at Chapada de Guimaraes, Brasil, is on the periphery of the Amazon forest and is especially vulnerable to drought. Credit rainfor.org Usage Restrictions No restrictions License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.