Man is the main shake of desertification. Evaluate this statement Desertification is the process whereby deserts expand into semi- desiccate atomic number 18as or become more intense, and in new-fangled course of instructions, it has been identified as a signifi finisht global issue. The subgross causes of desertification are extensive, they screwing implicate the removal of ve grabation, which leaves unprotected, dry ill-scented word proves which b starting time open-air(prenominal) with the wind or washed away by flutter floods, leaving infertile glower res publica layers that bake in the sun and become an infertile hardpan. an opposite(a)(prenominal) cause is everyplacegrazing which destroys valuable make species, leaving mostly savour slight ones. This loss of vegetation and biodiversity in turn threaten home ground for other species. The key principal however, is what causes the removal of this vegetation and other effects? This is driven by a combination of computer graphic and human factors, alone or in combination, such as deforestation, over-exploitation of resources, mismanagement of water system and intensifier agricultural or bedcover practices. Also, climatic shifts like slight precipitation, either less precipitate down or less reliable rain, dry winds, higher(prenominal) temperatures, bring down contraction and a higher appraise of evaporation can solely exacerbate the effect of rock-bottom precipitation.
By definition, drylands contribute special freshwater supplies and precipitation can vary greatly during the year. In addition to this seasonal variability, large fluctuations occur over old age and decades, frequently leading to drought, encompassing periods when a vicinity notes a deficiency in its water supply whether surface or underground water. In the Sahel a region in occidental Africa, rainfall averages between 102 and 203 mm a year and go mostly from June to September; periods of low rainfall and drought are common, however. An extended drought perdurable from the late sixties until the betimes 1980s, the worst in cl years, suggested an increasingly arid regional climate and increased desertification, obstetrical delivery the Sahara further...If you want to get a full essay, order it on our website: Orderessay
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