1. Institute of Groundwater Ecology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, Neuherberg 85764, Germany
2. Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistrasse 17, Munich 81377, Germany
3. Center for Applied Geoscience, University of Tübingen, Schnarrenbergstrasse 94−96, Tübingen 72076, Germany
4. Department of Earth and Environmental Sciences, Ecohydrology, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, Canada
5. Joint Mass Spectrometry Centre, Comprehensive Molecular Analytics (CMA) Cooperation Group Helmholtz Zentrum, Gmunderstrasse 37, Munich 81379, Germany
6. Department of Functional and Evolutionary Ecology, University of Vienna, Althanstrasse 14, Vienna 1090, Austria
7. Department of Environmental Microbiology, UFZ—Helmholtz Centre for Environmental Research, Permoserstrasse 15, Leipzig 30418, Germany