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Displaying 997 - 1008 of 1018
December 1989

This article suggests that communual rangeland management policies in Botswana and Zimbabwe are based on incorrect technical assumptions about the stability of semiarid rangelands, the nature of rangeland degradation, and the benefits of destocking. Consequently, inappropriate policies,…

December 1989

In their recent paper, de Leeuw and Tothill (1990) discussed the shortcomings of estimating carrying capacity (CC) of pastoral systems in Africa. They noted the difficulty of determining available forage per animal due to high annual and spatial variability in plant production, seasonal changes…

December 1988

Carrying capacity (CC) is a term often talked about in relation to livestock in the communal areas (CAs). It is the source of much confusion. This discussion paper will hopefully clarify some of the issues and make the implications for the policy debate clearer. It is based on the preliminary…

December 1988

It is clear from the failure of our efforts in many countries to halt the desertification process - deserts are now advancing at a rate of nearly 15,000,000 acres a year worldwide (Worrall 1984) (that something was missing in our knowledge of the problem). Four discoveries have been made that…

December 1988

This article begins with an investigation into woodland management in Mali and moves onto a discussion of some of the fundamental practical problems associated with a major part of forest policy in Mali. The article focuses on how to increase villagers' control and management of their…

Conference Papers & Reports
December 1988

Presents papers and abstracts on the management of vertisols in sub-Saharan Africa and other parts of the world. Overviews the importance, distribution, agroclimatology and properties of vertisols and the Indian Vertisol technology experience. Reviews resource assessment and management and…

Conference Papers & Reports
December 1988

Several traditional methods of maintaining soil fertility in bean-based cropping systems are reviewed as follows: visoso, large- scale chitemene, ngoro or matengo pit (Mbinga District, Tanzania), mambwe land-use system of northern Zambia (fundikila), mounds of the Wafipas (SW Tanzania), tumba…

December 1987

This article discusses the enclosure of rangelands and registration of exclusive rights to grazing by individuals or groups of pastoralists. This trend has been increasing greatly over the last twenty years. This occurs because:it is encouraged by governments, planners and multi-lateral donor…

December 1987

This article investigates the encroachment on pastoralist grazing land in Sudan (as a result of the mechanised farming in the Sudan). The article finds that:the Lahawin pastoralists have been forcibly resettled in areas where the resources for subsistence agriculture does not existthe Lahawin…

December 1986

This article synthesises findings on various topics relating to drought strategies and land use in African pastoral systems. These include:an exploration of the ecology of african rangelandsan investigation into pastoral strategies for mitigation of droughta look at the importance of…

December 1986

This article discusses the zoning of 'Communual Areas' on tribal grazing land in Botswana, in which communities retain collective land rights.From the experience gained during six years of attempting to establish and operate communal grazing cells a number of conclusions can be drawn…

December 1985

The present paper is based on a participatory survey carried out in order to establish baseline information on a little known livestock production system and its role in local ecology and economy.The study is based on research in El Kala National Park (North East Algeria).This paper draws…