GK
SOIL EROSION AND CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is the main causative factor for desertification?
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Tourism
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Overgrazing
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Irrigated agriculture
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Developmental activities
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Explanation:
Detailed explanation-1: -’Climatic variations’ and ‘Human activities’ can be regarded as the two main causes of desertification. removal of the natural vegetation coverby taking too much fuel wood, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
Detailed explanation-2: -With the exception of irrigation-induced land degradation, desertification usually starts with the removal of vegetation cover by humans or livestock. Overgrazing and excessive fuelwood collection destroy the protective layer of plants, exposing the top layer soil to wind and water erosion.
Detailed explanation-3: -Therefore the correct option is (C) Overgrazing.
There is 1 question to complete.