Publication Date

1993

Description

Grasslands and savannas, which comprise about 25% of the earth's land surface, are undergoing constant degradation, particularly in ar d and semi-arid regions. The rangeland resource is constantly sinking mainly because of its conversion to crop land, leaving farmer and pastorilist vulnerable to environmental extremes. This Paper presents the existing situation and the herbage and animal Product biomass of these regions. Climate and its impact on the Vegetation are discussed. Prevalent systems of rangeland use by sedentary and nomadic herdsman are considered and the constraints 0 the system are enumerated. Livestock 'rearing has been the most important occupation in these areas, but production of livestock Products per unit is still very low. A detailed list of strategies for the improvement of rangelands and availability of maximum biomass for sustainable animal husbandry system is also presented. Future areas research and development activities are described.

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Forage and Animal Management Systems on Communal Rangelands in Arid and Semi-Arid Regions

Grasslands and savannas, which comprise about 25% of the earth's land surface, are undergoing constant degradation, particularly in ar d and semi-arid regions. The rangeland resource is constantly sinking mainly because of its conversion to crop land, leaving farmer and pastorilist vulnerable to environmental extremes. This Paper presents the existing situation and the herbage and animal Product biomass of these regions. Climate and its impact on the Vegetation are discussed. Prevalent systems of rangeland use by sedentary and nomadic herdsman are considered and the constraints 0 the system are enumerated. Livestock 'rearing has been the most important occupation in these areas, but production of livestock Products per unit is still very low. A detailed list of strategies for the improvement of rangelands and availability of maximum biomass for sustainable animal husbandry system is also presented. Future areas research and development activities are described.