About the Authors

Timo Arula

timo.arula@ut.ee

Affiliation Estonian Marine Institute, University of Tartu, Pärnu, Estonia

Joachim Gröger

Affiliations Thünen Institute of Sea Fisheries, Hamburg, Germany, Institute for Biosciences, University of Rostock, Germany

Henn Ojaveer

Affiliation Estonian Marine Institute, University of Tartu, Pärnu, Estonia

Mart Simm

Affiliation Estonian Marine Institute, University of Tartu,Tallinn, Estonia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TA JG HO MS. Performed the experiments: TA JG MS HO. Analyzed the data: JG TA HO MS. Contributed reagents/materials/analysis tools: TA HO JG MS. Wrote the paper: TA JG HO MS.