Responses of Indigofera spinosa to simulated herbivory in a semidesert of North-West KenyaOBA, G.Acta oecologica (Montrouge). 1994, Vol 15, Num 2, pp 105-117, issn 1146-609XArticle

The effects of controlled grazing on phytomass dynamics of the dward shrub Indigofera spinosa in arid KenyaOBA, G.Acta oecologica (Montrouge). 1995, Vol 16, Num 1, pp 31-54, issn 1146-609XArticle

Effects of excluding goat herbivory on Acacia tortilis woodland around pastoralist settlements in northwest KenyaOBA, G.Acta oecologica (Montrouge). 1998, Vol 19, Num 4, pp 395-404, issn 1146-609XArticle

Human stewardship or ruining cultural landscapes of the ancient Tula wells, southern EthiopiaTIKI, W; OBA, G; TVEDT, T et al.Geographical journal. 2011, Vol 177, Num 1, pp 62-78, issn 0016-7398, 17 p.Article

Effects of artificial water points on the Oshana ecosystem in NamibiaNANGULA, S; OBA, G.Environmental conservation. 2004, Vol 31, Num 1, pp 47-54, issn 0376-8929, 8 p.Article

Temporal changes in woody-plant use and the ekwar indigenous tree management system along the Turkwel River, KenyaSTAVE, J; OBA, G; STENSETH, N. C et al.Environmental conservation. 2001, Vol 28, Num 2, pp 150-159, issn 0376-8929Article

Effects of grazing pressure, age of enclosures and seasonality on bush cover dynamics and vegetation composition in southern EthiopiaANGASSA, A; OBA, G.Journal of arid environments. 2010, Vol 74, Num 1, pp 111-120, issn 0140-1963, 10 p.Article

Potential role of sacred groves in biodiversity conservation in TanzaniaMGUMIA, F. H; OBA, G.Environmental conservation. 2003, Vol 30, Num 3, pp 259-265, issn 0376-8929, 7 p.Article

Browse production and offtake by free-ranging goats in an arid zone, KenyaOBA, G; POST, E.Journal of arid environments. 1999, Vol 43, Num 2, pp 183-195, issn 0140-1963Article

An indigenous time-related framework for reconstructing the impact of disasters on ancient water systems in southern Ethiopia, 1560-1950TIKI, W; OBA, G; TVEDT, T et al.Journal of historical geography. 2013, Vol 41, pp 33-43, issn 0305-7488, 11 p.Article

Savanna land use and its effect on soil characteristics in southern EthiopiaANGASSA, A; SHELEME, B; OBA, G et al.Journal of arid environments. 2012, Vol 81, pp 67-76, issn 0140-1963, 10 p.Article

Bush cover and range condition assessments in relation to landscape and grazing in southern EthiopiaOBA, G; POST, E; SYVERTSEN, P. O et al.Landscape ecology. 2000, Vol 15, Num 6, pp 535-546, issn 0921-2973Article

Scaling effects of proximate desertification drivers on soil nutrients in northeastern TanzaniaOBA, G; WELADJI, R. B; MSANGAMENO, D. J et al.Journal of arid environments. 2008, Vol 72, Num 10, pp 1820-1829, issn 0140-1963, 10 p.Article

Impacts of shifting agriculture on a floodplain woodland regeneration in dryland, KenyaOBA, G; STENSETH, N. C; WELADJI, R. B et al.Agriculture, ecosystems & environment. 2002, Vol 90, Num 2, pp 211-216, issn 0167-8809Article

Aboveground dry-matter allocation in ungrazed and grazed stands of Indigofera spinosa in the arid zone of Turkana, KenyaOBA, G; MENGISTU, Z; STENSETH, N. C et al.Ecography (Copenhagen). 2000, Vol 23, Num 2, pp 224-230, issn 0906-7590Article