In the semi arid regions of china the country’s inhabitants have practiced water harvesting

In the semi arid region of china, the country inhabitants have practiced water harvesting for generation. It is the process of collecting rain water for later use and this rain water harvesting helps environment by collecting runoff during the rainy season so that the land degradation caused by water erosion is prevented.

Explanation:

The land degradation caused by water erosion is a part of loss in topsoil, water erosion damages the crops and vegetation that grows in the area. It also prevent germination and also it is caused by extreme water condition specifically drought by multiple forces or degrade the quality of soil.  In this method, land degradation caused by water erosion may be prevented.