1. Catalan Institute for Water Research (ICRA), Carrer Emili Grahit, 101, 17003 Girona, Spain
2. University of Girona, Girona, Spain
3. Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB Wageningen, NL, Netherlands
4. Northern Region Water Board (NRWB), Bloemwater Street, P/Bag 94, Mzuzu, Malawi