Three people in a forest clearing (IMAGE) University of Göttingen Caption Carolina Ocampo-Ariza with smallholder Nicanor Huaracha and assistant from the region of Echarate, Cusco (Peru) Credit Tara Hanf-Dressler 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.