This review explores environmental change in northern and south-central Kenya, roughly covering three decades from the 1960s to the 1990s. The report answers three questions:has vegetation change occurred in these districts?if vegetation change has occurred, why and how has this happened?what are the trends for livestock populations?The article concludes that:rangeland sites have been fundamentally altered by woody encroachment over the past 40 years.
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Showing items 1 through 9 of 48.-
Library ResourceJanuary, 1999Kenya, Sub-Saharan Africa
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Library ResourceJanuary, 1989United States of America, Sub-Saharan Africa, Northern America, Latin America and the Caribbean
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 enabled us to design a simple holistic model to manage resources successfully in a sustained and economic manner.
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Library ResourceJanuary, 2010Sub-Saharan Africa
This paper examines the effect of climate change on pastoralist conflict in Africa. The rangelands of East Africa is particularly vulnerable to drought, which is associated with climate change. In this respect, the paper focuses its analysis on changes in resource availability contrasting cases of abundance and scarcity. The authors clarify that the role of resources is further contextualised by competing notions of property rights, and the role of the state in defining property and associated rights.
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Library ResourceJanuary, 2014Kenya, Ethiopia, Somalia
This study represents an initial attempt to assess patterns of displacement related to droughts in selected countries of the Horn of Africa, specifically the border regions of Kenya, Ethiopia and Somalia.
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Library ResourceJanuary, 2008
This paper presents an overview of pastoral systems and addresses rights issues around access and control of resources in the context of climate change.
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Library ResourceJanuary, 1993Botswana, Sub-Saharan Africa
A useful debate is developing over carrying capacity and the degradation of communal rangelands in sub-Saharan Africa. With a few lonely exceptions, scientists and policy-makers have in the past claimed that degradation is universal and livestock productivity lowered because of overstocking on communal range. This position has been mainly dogmatic. More recent research has not supported dogmatists; hence the debate, which impinges on livestock development policy in Botswana.A new livestock development policy is being promoted by the Government of Botswana (Ministry of Agriculture 1991).
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Library ResourceJanuary, 1993Botswana, Sub-Saharan Africa
Recent arguments have stated that the new livestock development policy will carry a high social cost, that the reality of range degradation in Botswana has been ignored, and that there is no basis for assuming that de-stocking would decrease the productivity of rangeland.
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Library ResourceJanuary, 1993Syrian Arab Republic, Western Asia, Northern Africa
This article looks at the changes which are taking place in the Syrian semi-nomadic bedouin flocks' feeding and migration patterns, and the historical reasons for these changes. Most of the discussion will focus on three steppe-based villages in northern Syria, where the International Center for Agricultural Research in Dry Areas (ICARDA) undertook a three-year survey between 1978 and 1981, and where a follow-up study was done this year.
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Library ResourceJanuary, 1990Zimbabwe, Sub-Saharan Africa
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 in forage quantity and quality, livestock species mix, and the use of supplemental feeds.
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Library ResourceJanuary, 1990Botswana, Zimbabwe, Sub-Saharan Africa
This document contains a collection of critical comments by experts working in the field of pastoralism with regard to several PDN papers.
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