About the Authors

Cécile L. Blanchet

cblanchet@geomar.de.

Affiliations GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Department of Marine Organic Biogeochemistry, NIOZ-Royal Netherlands Institute for Sea Research, ‘t Horntje (Texel), The Netherlands

Martin Frank

Affiliation GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany

Stefan Schouten

Affiliation Department of Marine Organic Biogeochemistry, NIOZ-Royal Netherlands Institute for Sea Research, ‘t Horntje (Texel), The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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