Holger Kreft, University of Göttingen (IMAGE) University of Göttingen Caption This is professor Holger Kreft, Head of Department of Biodiversity, Macroecology and Biogeography, Faculty of Forest Sciences and Forest Ecology. Credit University of Göttingen/Christoph Mischke 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.