Physiological Diversity (IMAGE) University of Zurich Caption Diversity in physiological traits (leaf chlorophyll, carotenoids and water content) of the forest as functional richness at a radial neighborhood of 90 m. Credit University of Zurich 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.