mention any five factors that has lead to soil erosion and land degradation
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1. Excessive Population Pressure on Land:
India’s population of over 1000 million people is more than that of the whole world prior to the Industrial Revolution.
2. Deforestation:
India loses 1.3 million hectares of forests per year. One of the major causes of desertification is the cutting down of trees. According to the National Remote Sensing Agency (NRSA), India had less than 11.4% of area under forest as per the 1992 observation. But the more recent satellite pictures show that the forest cover is now less than 10%.
3. Erosion:
Loss of vegetative cover has made land more susceptible to erosion. Agents of erosion like wind and water have left vast tracts of land barren. Water erodes top soil to an extent of around 12,000 million tonnes (mt) per annum.
Floods and Droughts:
It is ironical that in India both floods and droughts occur regularly and alternately.
India’s population of over 1000 million people is more than that of the whole world prior to the Industrial Revolution.
2. Deforestation:
India loses 1.3 million hectares of forests per year. One of the major causes of desertification is the cutting down of trees. According to the National Remote Sensing Agency (NRSA), India had less than 11.4% of area under forest as per the 1992 observation. But the more recent satellite pictures show that the forest cover is now less than 10%.
3. Erosion:
Loss of vegetative cover has made land more susceptible to erosion. Agents of erosion like wind and water have left vast tracts of land barren. Water erodes top soil to an extent of around 12,000 million tonnes (mt) per annum.
Floods and Droughts:
It is ironical that in India both floods and droughts occur regularly and alternately.
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! cutting of plants
$flood
!
there are less than five
$flood
!
there are less than five
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