About the Authors

Odd Aksel Bergstad

oddaksel@imr.no

Affiliation Institute of Marine Research, Flødevigen, His, Norway

Laura Clark

Affiliation Scottish Natural Heritage, Inverness, Scotland, United Kingdom

Hege Øverbø Hansen

Affiliation Institute of Marine Research, Flødevigen, His, Norway

Nicola Cousins

Affiliation University of Aberdeen, Aberdeen, Scotland, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OAB. Performed the experiments: OAB LC HØH NC. Analyzed the data: OAB LC HØH NC. Contributed reagents/materials/analysis tools: OAB LC HØH. Wrote the paper: OAB HØH NC LC.