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.
Search results
Showing items 1 through 9 of 36.-
Library ResourceJanuary, 1989United States of America, Sub-Saharan Africa, Northern America, Latin America and the Caribbean
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Library ResourceJanuary, 1989Burkina Faso
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Library ResourceJournal Articles & BooksDecember, 1988Mali, Niger, Africa, Western Africa
Discusses changes in the floristic composition and biomass production of eragrostis and vetiveria grasslands due to the rainfall and flood deficits during 1980-86 in the Niger floodplain in central Mali.
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Library ResourceJournal Articles & BooksJanuary, 1988Zambia
The organization of maize marketing in Zambia reflects the main objective of the system—supplying urban areas with cheap food. Maize purchased from farmers is sold only to the major milling companies, all of which are located in urban centers. The marketing subsidy, reflected in the low sale price to these millers, is in effect a subsidy to mainly urban consumers. Rural retailers are allowed an explicit markup to cover transport costs back to rural areas.
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Library ResourceJanuary, 1989Zimbabwe, Sub-Saharan Africa
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 findings of field work carried out in Zvisharane District during 1986 and 1987.
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Library ResourceConference Papers & ReportsDecember, 1988Ethiopia, Africa, Eastern Africa
Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM, and on human and oxen labour input in traditional seed covering and the construction of the BBM.
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Library ResourceJanuary, 1988Kenya, Somalia, Sub-Saharan Africa
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 agencies in an attempt to 'rationalise'the use of rangelands.
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Library ResourceReports & ResearchJanuary, 1988Eastern Africa
This paper analyses briefly the reasons why enclosures of the rangelands is taking place, the short and long term impact on different groups, and the technical and environmental issues. Examples are given from Kenya and Somalia.
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Library ResourceJournal Articles & BooksDecember, 1988Ethiopia, Africa, Eastern Africa
Analyses the frequency and causes of deaths observed during 1982-86 in sheep flocks around Debre Berhan, Ethiopia. Includes data on annual crude death rates, causes of mortality, frequency, age at death, and seasonal crude death rates.
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Library ResourceJournal Articles & BooksDecember, 1988Ethiopia, Africa, Eastern Africa
Reports the major specific causes of sheep mortality in the Debre Berhan area between July 1986 and June 1987. Includes data on seasonal crude death rates, causes of mortality, frequency and age at death.
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