Peruvian Andes (image) University of Oxford Share Print E-Mail Caption This is the valley in the Southern Peruvian Andes where fine root growth and organic layer thickness were measured over several years. Credit Cecile Girardin Usage Restrictions Usage restricted to this research story only. Share Print E-Mail 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.