Top 0 hendrik segers affiliation laboratory of animal ecology zoogeography and nature conservation department biology university of gent k l ledeganckstraat 35 b 9000 gent belgium niniver l ferrufino affiliation unidad de limnologi a y recursos acua ticos universidad mayor de san simo n casilla 5263 cochabamba bolivia luc de meester affiliation laboratory of ecology and aquaculture katholieke universiteit leuven naamsestraat 59 b 3000 leuven belgium PDF Book