Question

How do forests prevent the spread of deserts? Explain why forests have disappeared in northern China. Write your answer using complete sentences.

Answer 1

Desertification is a major issue throughout Africa, but there's a simple way to stop the spread of deserts into fertile land: planting forests. The problem is that in the regions hardest hit by the phenomenon, there simply isn't enough clean water to properly nurture the trees and keep them healthy.
In northern and central China forestcover has been reduced by half in the last two decades. The mountains in southwest China have suffered serious deforestation, logging, hunting and collection of plants and animals for traditional medicines. The last remaining large stands of forest are in northeast Manchuria.

Answer 2

Forest areas can reduce the expansion of the deserts because it does not allow the soil particles to get eroded from those places

Explanation:

Forest are the regions that are comprised of vast vegetation-covered areas. These forest regions are often cut down in order to set up urban areas, construct buildings and other commercial buildings. This directly affects the soil as it loses its fertility and in the regions where there occurs a lesser amount or no rainfall, the places are most likely to undergo the process of desertification.

The forest can prevent the spread of desert areas. It is because planting more trees will lead to increasing vegetation and decreases the cause of desertification. The process of erosion decreases and the speed of the prevailing wind also gets reduced due to the presence of vegetation. Afforestation must be done significantly in order to alter a dry land into a green vegetation covered area.

In the northern part of China, the forest areas are highly affected due to the deforestation process. The trees are cut down in order to make furniture, construction purpose, make medicines, and other purposes. The total area of the forest-covered regions in northern China has reduced significantly over the last few decades.

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