1. MUSE – Museo delle Scienze Limnology & Phycology Section Corso del Lavoro e della Scienza 3 Trento 38123 Italy
2. School of Biological Sciences The University of Queensland St Lucia Brisbane 4072 Australia
3. Springs Stewardship Institute, Museum of Northern Arizona 3101 N. Ft. Valley Rd. Flagstaff AZ 86001 U.S.A.
4. Eberhard Karls University of Tübingen Tübingen 72076 Germany
5. Department of Biology Juniata College Huntingdon PA 16652 U.S.A.
6. Institute of Applied Geosciences Karlsruhe Institute of Technology (KIT) Kaiserstr. 12 Karlsruhe 76131 Germany
7. Howard T. Odum Florida Springs Institute 23695 US 27 High Springs FL 32643 U.S.A.
8. Department of Forest and Conservation Sciences University of British Columbia 3041‐2424 Main Mall Vancouver BC V6T 1Z4 Canada
9. School of Earth and Sustainability Northern Arizona University P.O. Box 4099 Flagstaff AZ 86011 U.S.A.
10. Leibniz‐Institute of Freshwater Ecology and Inland Fisheries ‐ IGB and Institute of Biology Freie Universität Berlin Germany
11. Austrian Science Fund ‐ FWF Sensengasse 1 Vienna 1090 Austria