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- W1844431062 abstract "In rural Sudan, as in many parts of Africa, biomass is the most important source ofenergy. Besides the use as fuelwood for cooking and heating of houses, biomass isalso used for construction of houses and fences amongst other things. Among farmersin semiarid Sudan it’s a known fact that the Acacia trees that grow and regeneratenaturally on their lands help improve soil fertility and crop yield if left as fallow forsome years before cultivating it again. During fallow the A. senegal and A. seyal treescan be tapped for gum Arabic, a resin used in food, beverages as well as for industrialpurposes, as an extra source of income. This so called bush fallow system iscommonly used in Sahel, but droughts during recent decades has caused manyfarmers to shorten the period of fallow as the need for more arable land increased. Theremoval of vegetation, in turn, makes the land susceptible to erosion and degradationand the need for even more land rises as nutrients are lost. At the same time, thedrylands in Africa are seen as an underexplored potential sink of atmospheric carbondioxide.In this study two neighbouring villages with different land use focus are compared;one with emphasis on gum production and the preservation of the trees and the otherwith a greater focus on producing cash crops. The objectives are to see if there is adifference in the soil properties between the two and if this in turn can be linked to thebiomass consumption and the land management in general. As a final step it evaluatesthe stability of these strategies and tries to make some projections for the future. Toachieve these goals soil samples were collected, standing biomass stock was measuredand calculated and interviews regarding household biomass consumption and land usehistory were held in each village.Contrary to what could be expected, the results do not show one village having overallbetter soil properties than the other, with the most likely reason for this being that thevillages chosen quite simply are not as different as anticipated. In both villages, thepresent annual biomass consumption does not exceed the production and the biggestconcern for the future is access to drinking water. The lack of water is presented as themain reason for seasonal migration from the villages and it is likely to increase if thetemperature rises and rainfall decreases." @default.
- W1844431062 created "2016-06-24" @default.
- W1844431062 creator A5055489166 @default.
- W1844431062 date "2009-01-01" @default.
- W1844431062 modified "2023-09-24" @default.
- W1844431062 title "Relating soil properties to biomass consumption and land management in semiarid Sudan : a minor field study in North Kordofan" @default.
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