Evaluating the impacts of the development of irrigation schemes in arid and semi-arid areas in Kenya on ecosystems biodiversity and its capacity to regulate infectious diseases - Bett, Bernard K.; Said, Mohammed Yahya; Njeru, I.; Kifugo, S.C.; Gachohi, John M.; Sang, R.; Bukachi, S.A.; Grace, Delia (International Livestock Research Institute, 2013)