1. Department of Environmental Science; Institute for Wetland and Water Research; Faculty of Science; Radboud University Nijmegen; PO Box 9010 NL-6500 GL Nijmegen The Netherlands
2. Industrial Ecology Programme; Department of Energy and Process Engineering; Norwegian University of Science and Technology (NTNU); 7491 Trondheim Norway
3. German Centre for Integrative Biodiversity Research (iDiv), Halle-Jena-Leipzig; Deutscher Platz 5e 04103 Leipzig Germany
4. Institute of Biology; Martin Luther University Halle-Wittenberg; Am Kirchtor 1 06108 Halle (Saale) Germany
5. CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Cátedra Infraestruturas de Portugal Biodiversidade; Universidade do Porto; Campus Agrário de Vairão 4485-661 Vairão Portugal