Impact of Man on the Environment of Khartoum Green Belt

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Mohamed, Mohamed Fadl Alla Ali
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his study was conducted on the western part of the Green Belt, south of Khartoum. The study includes vegetation analysis in order to asses the change in composition and bio-diversity of vegetation compared to Nour Al Dyium (1984) and Mohammed (1968) studies in same area. The study extended to analyze the chemical and physical properties of the soil to detect any changes of these properties within the recent fifteen years. The results revealed loss of plant diversity and decrease of plant cover and density. The species that migrated and those introduced by man have been affected more than those of original source in the area. Soil physical and chemical analysis has shown a decrease of soluble salts and Calcium Carbonate as a result of leaching processes of soil due to decrease of vegetation cover. The main factor that led to the environmental changes in the area was man. The huge increase in the population living in the area has been accompanied by the destructive activities. The area has been exposed to systematic tree cutting to build houses, wood collecting, and grazing pressure that have led to the present situation. The study emphasized the need to improve the land use plans so as to strike a balance between land resources and human needs.
Green Belt, soil