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In studies of 25 rangeland sites selected along the S.-N. bioclimatic gradient and on the main soil types in the Gourma (Sahel, Mali), herbage cover, standing mass and botanical composition were measured in relation to seasonality of grazing and grazing intensity. When different sites were compar...


Hiernaux, Pierre H.Y.[Spatial heterogeneity in Sahelian rangelands and resilience to drought and grazing]Spatial heterogeneity in Sahelian rangelands and resilience to drought and grazing
Autor: Coppock, D.L.

This paper reviews research on aspects of vegetation change and pastoral population dynamics in the southern Ethiopian rangelands during the 1980s and relate these findings to the debate on equilibrial versus non-equilibrial patterns of pastoral ecosystem dynamics. Examines pastoral dynamics and ...


Coppock, D.L.[Vegetation and pastoral dynamics in the southern Ethiopian rangelands: Implications for theory and management]Vegetation and pastoral dynamics in the southern Ethiopian rangelands: Implications for theory and management

Presents results of a study on trees and shrubs of a Sahelian site in Senegal, w. respect to aboveground biomass, productivity and consumption by livestock. Discusses the impact of the 1972 drought on various plant zones of the area.


Bille, Jean-Claude[Woody forage species in the Sahel: Their biology and use]Woody forage species in the Sahel: Their biology and use
Cochrane, TTSánchez, P.A.[Land resources, soils and their management in the Amazon region: a state of knowledge report]Land resources, soils and their management in the Amazon region: a state of knowledge report
Cochrane, TTSánchez, P.A.[Recursos de tierras, suelos y su manejo en la región amazónica: Informe acerca del estado de conocimientos]Recursos de tierras, suelos y su manejo en la región amazónica: Informe acerca del estado de conocimientos

Temporal and spatial variabilities in rainfall, herbaceous production and biomass were studied over a 4-year period in a topographically diverse, arid pastoral region of northwest Kenya. A significant relation between rainfall and primary production was found, and this was applied in a manner tha...


Coughenour, M.B.Coppock, D.L.Ellis, J.E.[Herbaceous forage variability in an arid pastoral region of Kenya: Importance of topographic and rainfall gradients]Herbaceous forage variability in an arid pastoral region of Kenya: Importance of topographic and rainfall gradients

Slash-and-burn agriculture continues to expand in many parts of the forest zone of Cameroon. One alternative land use to slash-and-burn system is alley farming. This paper quantifies, using an econometric model, the factors determining farmers’ adoption and use of alley farming variants in southw...


Adesina, A.A.Mbila, D.Nkamleu, G.B.Endamana, D.[Econometric analysis of the determinants of adoption of alley farming by farmers in the forest zone of southwest Cameroon]Econometric analysis of the determinants of adoption of alley farming by farmers in the forest zone of southwest Cameroon

Earthworm populations (predominantly Hyperiodrilus africanus and Eudrilus eugeniae) were sampled monthly for 1 yr during 1994 and 1995 in natural regrowth vegetation fallow (dominated by the natural fallow shrub Chromolaena odorata L.), planted fallow (the woody species Senna siamea Lam., Leucaen...


Tian, G.Olimah, J.Adeoye, G.Kang, B.[Regeneration of earthworm populations in a degraded soil by natural and planted fallows under humid tropical conditions]Regeneration of earthworm populations in a degraded soil by natural and planted fallows under humid tropical conditions
Escobar, GermánFujisaka, SamVeneklaas, Erik Jan[Nuevo método para la evaluación rápida de la biodiversidad de plantas en diferentes usos de tierras]Nuevo método para la evaluación rápida de la biodiversidad de plantas en diferentes usos de tierras

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