amazon 3 (IMAGE) Arizona State University Caption Study author Hinsby Cadillo-Quiroz collects soil samples in the lush rainforest of the Pastaza-Marañón Foreland Basin. Fieldwork like this is vital for understanding the complex ecosystems of the Amazon and their role in global environmental processes. Credit Photo courtesy of Hinsby Cadillo-Quiroz Usage Restrictions None License Licensed 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.