PhD defence Impacts of anthropogenic activities on the ecology and ecosystem service delivery of Lake Ziway, Ethiopia PhD candidate Lemessa LB (Lemessa) Merga Promotor prof.dr.ir. PJ (Paul) van den Brink Co-promotor dr. JH (Jack) Faber External copromotor dr AA Mengiste Organisation Wageningen University, Aquatic Ecology and Water Quality Management Date Wed 27 January 2021 13:30 to 15:00 Venue Twitter Whatsapp Linkedin Email