Droughts increase additive environmental and artificial stress put upon the ecosystem and thence manifold risks for desertification in several timesDesertification can proceed in disparate ways - via changes in the soil (salinization , erosion , trampling by large-mouthed herds of animals , decrease of biomass density and diversity ( done graphic processes or accelerate by industrial or agricultural occupation of populace , select impact of environmental factors (wind and water erosion , direct adverse effects of solar beam ) or through combination of these factors (which is most likely to occur in natural ecologic systems . One way or other , ecological system under excessive stress begins to throw outside . Density a! nd diversity of plants growing in an area decreases , thus land becomes less protected from erosion and solar radiation syndrome . Excessive radiation that is no more absorbed by the plants in combined efforts with the...If you want to get a heave essay, order it on our website: OrderCustomPaper.com
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