About the Authors
Section of Conservation Biology (NLU), Department of Environmental Sciences, University of Basel, Basel, Switzerland
Institute of Experimental Ecology, University of Ulm, Ulm, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MN. Performed the experiments: MN. Analyzed the data: MN MK. Contributed reagents/materials/analysis tools: MN. Wrote the paper: MN MK.