About the Authors

Stefanie Wolfram

Affiliation Institute for Inorganic and Analytical Chemistry, Friedrich Schiller University, Jena, Germany

Jens C. Nejstgaard

nejstgaard@igb-berlin.de (JN); Georg.Pohnert@uni-jena.de (GP)

Affiliations Skidaway Institute of Oceanography, Savannah, GA, United States of America, Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Department 3 Experimental Limnology, Stechlin, Germany

Georg Pohnert

nejstgaard@igb-berlin.de (JN); Georg.Pohnert@uni-jena.de (GP)

Affiliation Institute for Inorganic and Analytical Chemistry, Friedrich Schiller University, Jena, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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