The Crisis of Sahelian Pastoralism: Ecological Or Economic?ILRI (aka ILCA and ILRAD), Jan 1, 1996 - 15 pages |
Common terms and phrases
Acacia Addis Ababa Annual mean precipitation annual plants annual rainfall apical bud Bamako Boudet Breman H buds cattle population Cenchrus biflorus grown Centre for Africa changes in herb changes in plant Cissé Combretum contribution and species decline defoliation desertification Diallo dicotyledons Direction national d'élevage District population 000 Djitèye M A DNE Direction national Douentza drought dry season effect experiments Figure floristic composition Gallais Gourma and Seno Gourma region grazing pressure Grouzis grown in pots Hiernaux Human population International Livestock Centre leaf area livestock population lopping Ministere d'élevage monitoring Niono nitrogen and phosphorus nutrient pastoral economy pâturages phenology phosphorus plant densities plant production population 000 head productivité Rapport annuel recherche reduce production Reduced plant région region of Mali repeated clipping ressources naturelles root biomass sahéliens soil fertility soil type southern Sahel species diversity Standard deviation stocking rates tillering town of Douentza trampling transhumance University of Oslo uptake vegetation wet season