1. Laboratory of Environmental Toxicology and Applied Ecology, Ghent University, Plateaustraat 22, 9000 Ghent, Belgium
2. Aquatic Ecology and Ecotoxicology Department, University of Amsterdam, PO box 94248, 1090 GE Amsterdam, The Netherlands
3. Department of Environmental Science, Institute for Water and Wetland Research, Radboud University, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
4. Centre for Estuarine and Marine Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Korringaweg 7, 4401 NT Yerseke, The Netherlands