1. Environmental Mineralogy, Center for Applied Geoscience, University of Tübingen, Schnarrenbergstraße 94-96, 72076 Tübingen, Germany
2. Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
3. Department of Functional and Evolutionary Ecology, Division of Limnology, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
4. Department of Soil Biology, Institute of Soil Science and Land Evaluation, University of Hohenheim, Emil-Wolff-Straße 27, 70593 Stuttgart, Germany
5. Department of Biogeophysics, Institute of Soil Science and Land Evaluation, University of Hohenheim, Emil-Wolff-Str. 27, 70593 Stuttgart, Germany
6. University of Natural Resources and Life Sciences, Vienna, Department of Water, Atmosphere and Environment, Institute for Soil Physics and Rural Water Management, Muthgasse 18, 1190 Vienna, Austria