About the Authors

Riikka Rinnan

Affiliations Department of Biology, Lund University, Lund, Sweden, Department of Biology, University of Copenhagen, Copenhagen, Denmark, Center for Permafrost (CENPERM), University of Copenhagen, Copenhagen, Denmark

Anders Michelsen

Affiliations Department of Biology, University of Copenhagen, Copenhagen, Denmark, Center for Permafrost (CENPERM), University of Copenhagen, Copenhagen, Denmark

Erland Bååth

erland.baath@biol.lu.se

Affiliation Department of Biology, Lund University, Lund, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RR AM EB. Performed the experiments: RR. Analyzed the data: RR EB. Wrote the paper: RR AM EB.