About the Authors

Sébastien Descamps

descamps@npolar.no

Affiliation Norwegian Polar Institute, Fram Centre, Tromsø, Norway

Competing Interests

Sébastien Descamps is currently a PLOS ONE Editorial Board Member. This does not alter the author's adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

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