Question

what is land degradation? what are the causes of land degradation

Answer 1

detoriation and degradation in the quality of land is known as land degradation
The causes are :
i) over construction
ii) over minning
iii) deforestation
iv) over irrigation
v) soil pollution
vi) over grazing

Answer 2

Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land.

Causes of land degradation:

Deforestation of unsuitable land. Deforestation is both a type of degradation as such, and also a cause of other type, principally water erosion. .... It is the leading cause of water erosion in steeply sloping humid environment. It is also a contributory cause of wind erosion, soil fertility decline and salinization.

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