1. Lake Victoria Basin Water Board (LVBWB), Mwanza P.O. Box 1342, Tanzania
2. School of Material, Energy, Water and Environmental Science, The Nelson Mandela African Institution of Science and Technology, Arusha P.O. Box 447, Tanzania
3. Department of Soil and Environment, Swedish University of Agricultural Sciences, Lennart Hjelms väg 9, 75007 Uppsala, Sweden
4. Institute of Resource Assessment, University of Dar es Salaam, Dar es Salaam P.O. Box 35095, Tanzania