1. Faculty of Science and Technology, Univ. of the Basque Country (UPV/EHU); Leioa Spain
2. IKERBASQUE, Basque Foundation for Science; Bilbao Spain
3. Wetland Ecology Dept, Doñana Biological Station-CSIC; Av. Americo Vespucio s/n ES-41092 Sevilla Spain
4. School of Marine and Tropical Biology and TropWater, James Cook Univ.; Townsville QLD 4811 Australia
5. Dept of Geography and Environmental Systems; Univ. of Maryland; Baltimore County Baltimore MD 21250 USA
6. Centre for Invasion Biology, Dept of Mathematical Sciences; Univ. of Stellenbosch; Private Bag X1 Matieland 7602 South Africa
7. African Inst. for Mathematical Sciences; Muizenburg 7945 South Africa
8. Laboratorio de Fotobiología, INIBIOMA, Univ. Nacional del Comahue-CONICET; Quintral 1250, 8400 Argentina
9. Sri Paramakalyani Centre for Environmental Sciences, Manonmainam Sundaranar Univ.; Alwarkuruchi, Tamil Nadu 627 412 India
10. Laboratório de Ecologia de Bentos, Inst. de Ciências Biológicas, Univ. Federal de Minas Gerais; CP 486, CEP 30.161-970, Belo Horizonte, MG Brazil
11. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria, CIPAV; Carrera 25 no. 6-62, Cali Colombia
12. Centro de Investigaciones y Estudios en Biodiversidad y Recursos Genéticos, CIEBREG; POB 97, Pereira Colombia
13. Dept of Forest Sciences; Univ. of British Columbia; 3621-2424 Main Mall Vancouver BC V6T 1Z4 Canada
14. Univ. de Toulouse, UPS, INPT; EcoLab (Laboratoire d'Écologie Fonctionnelle et Environnement); 29 Rue Jeanne Marvig FR-31055 Toulouse France
15. CNRS, EcoLab; FR-31055 Toulouse France
16. Colección Zoológica Dr. Eustorgio Mendez, Inst. Conmemorativo Gorgas de Estudios de la Salud; Avenida Justo Arosemena and Calle 35 0816-02593 Panama City Panama
17. School of Biological Sciences, The Univ. of Hong Kong; Hong Kong SAR China
18. Colegio de Ciencias Biológicas y Ambientales, Univ. San Francisco de Quito, Campus Cumbayá; PO Box 17-1200-841 Quito Ecuador
19. IMAR-CMA and Dept of Life Sciences; Univ. of Coimbra; PT-3001-401 Coimbra Portugal
20. Dept of Experimental Limnology; Leibniz Inst. of Freshwater Ecology and Inland Fisheries (IGB); Alte Fischerhütte 2 DE-16775 Stechlin Germany
21. Dept of Ecology; Berlin Inst. of Technology (TU Berlin); Ernst-Reuter-Platz 1 DE-10587 Berlin Germany
22. Laboratório de Limnologia, Depto de Ecología, IB; Univ. de Brasília; CEP 70910-900 Brasília DF Brazil
23. Surface and Groundwater Ecology Research Group, Dept of Biological Sciences; Univ. of Toronto at Scarborough; 1265 Military Trail Toronto ON M1C1A4 Canada
24. Dept of Biological Sciences; Egerton Univ.; PO Box 536 Egerton Kenya
25. Dept of Aquatic Sciences and Assessment; Swedish Univ. of Agricultural Sciences; SE-75007 Uppsala Sweden
26. Laboratory of Aquatic Insect Ecology, Univ. of Vila Velha; Av. Comissário José Dantas de Melo 21 29.102-920 Vila Velha Brazil
27. School of Science, Monash Univ.; Jalan Lagoon Selatan, Bandar Sunway 46150 Selangor Malaysia