About the Authors

Veronika Ostermaier

Affiliation Research Institute for Limnology, University of Innsbruck, Mondsee, Austria

Guntram Christiansen

Affiliation Research Institute for Limnology, University of Innsbruck, Mondsee, Austria

Ferdinand Schanz

Affiliation Limnological Station, Institute of Plant Biology, University of Zürich, Kilchberg, Switzerland

Rainer Kurmayer

rainer.kurmayer@uibk.ac.at

Affiliation Research Institute for Limnology, University of Innsbruck, Mondsee, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GC RK. Performed the experiments: VO GC. Analyzed the data: VO RK. Contributed reagents/materials/analysis tools: FS RK. Wrote the manuscript: VO GC FS RK.