About the Authors

Douglas C. Woodhams

dwoodhams@gmail.com

Current address: Department of Biology, University of Massachusetts Boston, Boston, Massachusetts, United States of America

Affiliations Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America

Hannelore Brandt

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Simone Baumgartner

Current address: Department of Aquatic Ecology, Duebendorf, Switzerland, and Institute of Integrative Biology, ETH-Zürich, Zurich, Switzerland

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Jos Kielgast

Current address: Section for Freshwater Biology, Department of Biology, University of Copenhagen, Copenhagen, Denmark and Center for Macroecology, Evolution and Climate Natural History Museum of Denmark, Copenhagen, Denmark

Affiliation Section for Freshwater Biology, Department of Biology, University of Copenhagen, Copenhagen, Denmark

Eliane Küpfer

Affiliations Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, Department of Evolutionary Biology, Technical University of Braunschweig, Braunschweig, Germany

Ursina Tobler

Affiliations Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, KARCH, Neuchâtel, Switzerland

Leyla R. Davis

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Benedikt R. Schmidt

Affiliations Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, KARCH, Neuchâtel, Switzerland

Christian Bel

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Sandro Hodel

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Rob Knight

Affiliation Howard Hughes Medical Institute and Department of Chemistry and Biochemistry, BioFrontiers Institute, University of Colorado, Boulder, Colorado, United States of America

Valerie McKenzie

Affiliation Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America

Competing Interests

The authors hereby confirm that co-author B. Schmidt is a PLOS ONE Editorial Board member. This does not alter their adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: DCW SB JK EK UT. Performed the experiments: DCW HB SB JK EK UT LRD CB SH. Analyzed the data: DCW SB JK EK UT BRS. Wrote the paper: DCW BRS RK VM. Performed field work: DCW JK UT LRD.