About the Authors

Ragne Oja

ragneoja@ut.ee

Affiliation Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia

Karoline Zilmer

Affiliation Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia

Harri Valdmann

Affiliation Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RO. Performed the experiments: RO KZ HV. Analyzed the data: RO. Contributed reagents/materials/analysis tools: RO HV. Wrote the paper: RO KZ HV.