Question

what is desertification? explain with examples​

Answer 1

Answer:

Desertification: Definition, Causes, and Effects: Some Examples. Definition. "Desertification is the degradation of land in arid, semi-arid, and dry sub-humid areas. It is caused primarily by human activities and climatic variations. Desertification does not refer to the expansion of existing deserts.

Explanation:

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Answer 2

• Desertification is a type of land degradation in drylands in which biological productivity is lost due to natural processes or induced by human activities whereby fertile areas become increasingly arid.It is the spread of arid areas caused by a variety of factors, such as climate change (particularly the current global warming)and overexploitation of soil as a result of human activity.

• Throughout geological history, the development of deserts has occurred naturally; however, when deserts emerge due to unchecked depletion of nutrients in soil that are essential for it to remain arable, then a virtual "soil death" can be spoken of,which traces its cause back to human overexploitation.

• Desertification is a significant global ecological and environmental problem with far-reaching socio-economic and political consequences.

The Sahel region in Africa is an example of desertification. Sahel is a region spreading across the continent of Africa from Indian Ocean on the east to Atlantic Ocean on the West. It is a Semi-Arid region south of Sahara Desert.

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