1. Department of Ecological Sciences, VU University, de Boelelaan 1085, 1081HV, Amsterdam, The Netherlands
2. NGI Ecogenomics Consortium, Amsterdam, The Netherlands
3. Department of Molecular Cell Physiology, VU University, de Boelelaan 1085, 1081HV, Amsterdam, The Netherlands
4. Department of Ecology, Lawrence Berkeley National Laboratory, One Cyclotron Road, MS 70A-3317, Berkeley, California 94720, United States
5. Environmental Sciences, Wageningen University, Soil Quality, Droevendaalse steeg 4, 6708PB, Wageningen, The Netherlands