About the Authors

Takahito Shikano

takahito.shikano@helsinki.fi

Affiliation Ecological Genetics Research Unit, Department of Biosciences, University of Helsinki, Helsinki, Finland

Antero Järvinen

Affiliation Kilpisjärvi Biological Station, University of Helsinki, Kilpisjärvi, Finland

Paula Marjamäki

Affiliation Ecological Genetics Research Unit, Department of Biosciences, University of Helsinki, Helsinki, Finland

Kimmo K. Kahilainen

Affiliations Kilpisjärvi Biological Station, University of Helsinki, Kilpisjärvi, Finland, Department of Environmental Sciences, University of Helsinki, Helsinki, Finland

Juha Merilä

Affiliation Ecological Genetics Research Unit, Department of Biosciences, University of Helsinki, Helsinki, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJ TS JM. Performed the experiments: TS AJ PM. Analyzed the data: TS AJ. Contributed reagents/materials/analysis tools: KKK AJ. Wrote the paper: JM TS KKK AJ PM.