About the Authors
- Jan Werner, Eva Maria Griebeler
- Department of Ecology, Zoological Institute, University of Mainz, Mainz, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: EMG. Performed the experiments: JW. Analyzed the data: JW. Contributed reagents/materials/analysis tools: JW EMG. Wrote the paper: JW EMG.