1. Laboratório de Ficologia; Museu Nacional; Universidade Federal do Rio de Janeiro; Quinta da Boa Vista s/n; São Cristóvão; Rio de Janeiro; 20940-040; Brazil
2. Department of Ecology; Department of Biodiversity and Environmental Management; University of León; Campus Vegazana; 24071; León; Spain
3. Netherlands Institute of Ecology (NIOO-KNAW); Rijksstraatweg 6; 3631; AC Nieuwersluis; The Netherlands
4. Institute of Ecology/Limnology; Ecology Building; Lund University; 223 62; Lund; Sweden
5. Limnology Section; Institute of Environmental Sciences and Ecology; Faculty of Sciences; Universidad de la República; Iguá 4225; Montevideo; PC; 11400; Uruguay
6. Department of Ecology and Evolution; CURE-Faculty of Sciences; Universidad de la República; 20000; Maldonado; Uruguay
7. Laboratory of Aquatic Ecology and Evolutionary Biology; Katholieke Universiteit Leuven; Ch. De Beriotstraat 32; B-3000; Leuven; Belgium
8. School of Environmental Sciences; Nicholson Building; University of Liverpool; Liverpool; L69 3GS; UK
9. Aquatic Ecology & Water Quality Management Group; Department of Environmental Sciences; Wageningen University; PO Box 47; 6700; AA Wageningen; The Netherlands
10. Institute for Environment and Sustainability; EC Joint Research Centre; Ispra; Italy
11. Departamento Ecología; Facultad Biología; Universitat Valencia; Campus Burjasot; 46100; Burjasot; Valencia; Spain