About the Authors

Carla R. Flöthe

carla.floethe@awi.de

Affiliation Section Ecological Chemistry, Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany

Uwe John

Affiliation Section Ecological Chemistry, Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany

Markus Molis

Affiliation Section Functional Ecology, Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CRF MM UJ. Performed the experiments: CRF. Analyzed the data: CRF. Wrote the paper: CRF MM UJ.