Ayana Angassa

Relating long-term rainfall variability to cattle population dynamics in communal rangelands and a government ranch in southern Ethiopia

Gufu Oba, G. Oba, Ayana Angassa, 2007 .

Participatory monitoring of biodiversity in East African grazing lands

Gufu Oba, G. Oba, P. Byakagaba, 2008 .

Herder Perceptions on Impacts of Range Enclosures, Crop Farming, Fire Ban and Bush Encroachment on the Rangelands of Borana, Southern Ethiopia

Gufu Oba, G. Oba, Ayana Angassa, 2008 .