Mixed Forests (IMAGE) Technical University of Munich (TUM) Caption Through their complementary crown and root systems, trees in mixed forests are often better supplied with light, water and soil nutrients. Credit Photo: L. Steinacker/TUM Usage Restrictions Free for use in reporting on TUM, with the copyright noted 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.