About the Authors

Sabrina Tartu

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

tartu.sabrina@gmail.com

Affiliation Norwegian Polar Institute, Fram Centre, Tromsø, Norway

Sophie Bourgeon

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliations Norwegian Polar Institute, Fram Centre, Tromsø, Norway, UiT-The Arctic University of Norway, Department of Arctic and Marine Biology, Tromsø, Norway

Jon Aars

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliation Norwegian Polar Institute, Fram Centre, Tromsø, Norway

Magnus Andersen

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliation Norwegian Polar Institute, Fram Centre, Tromsø, Norway

Dorothee Ehrich

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliation UiT-The Arctic University of Norway, Department of Arctic and Marine Biology, Tromsø, Norway

Gregory W. Thiemann

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliation York University, Faculty of Environmental Studies, Toronto, ON, Canada

Jeffrey M. Welker

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliations Department of Biological Sciences, University of Alaska Anchorage, Anchorage, Alaska, United States of America, University Center in Svalbard, Longyearbyen, Svalbard, Norway

Heli Routti

Contributed equally to this work with: Sabrina Tartu, Sophie Bourgeon, Jon Aars, Magnus Andersen, Dorothee Ehrich, Gregory W. Thiemann, Jeffrey M. Welker, Heli Routti

Affiliation Norwegian Polar Institute, Fram Centre, Tromsø, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HR JA. Performed the experiments: HR JA MA SB GWT JMW. Analyzed the data: ST. Contributed reagents/materials/analysis tools: HR JA. Wrote the paper: ST HR SB DE JA MA GWT JMW.