what is desertification? how does soil erosion lead to desertification ?List few measure that can be taken to prevent desertification.
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what is desertification?
Desertification refers to the persistent degradation of dryland ecosystems by climatic variations and human activities. ... Areas most vulnerable to desertification are the sub-Saharan and Central Asian drylands.
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Removal of top layer of soil exposes the lower, hard layers of soil. This soil has less humus and is less fertile. Gradually, the fertile land gets converted into deserts. This is called desertification.
- Integrating land and water management to protect soils from erosion, salinization, and other forms of degradation.
- Protecting the vegetative cover, which can be a major instrument for soil conservation against wind and water erosion.
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