1. Research Unit Comparative Microbiome Analysis, Helmholtz Zentrum München , D-85764 Neuherberg , Germany
2. TUM School of Life Science, Chair of Environmental Microbiology, Technische Universität München , 85354 Freising , Germany
3. Swammerdam Institute of Life Sciences at University of Amsterdam , 1098 XH Amsterdam , the Netherlands
4. Department Soil Ecology, Helmholtz Centre for Environmental Research – UFZ , 06120 Halle (Saale) , Germany
5. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig , 04103 Leipzig , Germany
6. Institute of Biology, Leipzig University , 04103 Leipzig , Germany
7. Department of Geography, Remote Sensing Laboratories, University of Zürich, Winterthurerstrasse 190 , CH-8057 Zürich , Switzerland
8. Fredericton Research and Development Centre, Agriculture and Agri-Food Canada , 95 Innovation Road, Post Office Box 20280, Fredericton E3B 4Z7 NB , Canada