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Discusses the results of the measurement of environmental changes in grazed ecosystems with reference to correlated changes in livestock management in Kenya; includes techniques used to measure the changes, and proposed methods; presents data on a case study at a group ranch located in western Ke...


Bille, Jean-Claude[The measurement of changes in tropical rangelands ecosystems]The measurement of changes in tropical rangelands ecosystems

Report describing the ecology of the Sarite & Dembala Wacha cooperative ranches, with emphasis on its implications for management strategies. Summarizes observations and measurements made on these ranches w. respect to geomorphology; infrastructure and management; tree, shrub & grass composition ...


Bille, Jean-ClaudeEshete, A.[The ecology of Sarite and Dembala Wacha cooperative ranches]The ecology of Sarite and Dembala Wacha cooperative ranches

Describes the woody components in the African Savanna rangelands and the production of wood and grass with supporting data on number of trees & shrubs per hactare (Data from Ethiopia and Senegal); also describes the tree populations with data on woody layer and grass layer productivities in vario...


Bille, Jean-Claude[Some aspects of bush encroachment in the African rangelands]Some aspects of bush encroachment in the African rangelands

Experimental sites were selected within Dembala Wacho ranch which lies in the central part of Sidamo, and this report describes these sites together with the first findings on the status and turn-over of minerals in the system. The three sites have consequently been located according to tree and ...


Corra, M.Bille, Jean-Claude[Nitrogen and phosphorus in the ecosystems of Sidamo]Nitrogen and phosphorus in the ecosystems of Sidamo

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