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China loses a net land area of 2460 km to the desert each year. Therefore, desertification reduces the size of land required to support the ever-expanding population, which leads to overpopulation and un-sustainability in further development.

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Introduction

China is the world's fourth largest country with land area of 9.6 million km�1 but 2.6 million km�2 of the land is affected by desertification. Desertification affects an area of 2.62 million km�, which is 27.3% of the national territory. The proportion of desert or desertifying land in China is 18 times the world average. There are about 110 million people live in desertifying areas in China. China loses a net land area of 2460 km� to the desert each year. Therefore, desertification reduces the size of land required to support the ever-expanding population, which leads to overpopulation and un-sustainability in further development. Sustainable development is to meet the present needs without compromising the ability to meet the needs of the future generation. It should lead to an improvement to people's quality of life and standard of living. ...read more.

Middle

Desertification is the process of an environmental degradation caused by excessive human activities and climate variation. It is a progression process of forming a desert. Two main causes of desertification are climate change and increase in population growth. As the land becomes degraded, they are no longer able to produce food, which leads to famine. Desertification is mainly caused by excessive human activities such as overgrazing, overcultivation or uncontrolled collection of word for fuel. As show in Map 1 and Map 2, it shows that desertification always occurs in places that are relatively densely populated. People in poor countries tend to have more children to help them working on the farm in order to earn more money. Therefore, farmers need to change their way of land uses since more land are needed for food crops. ...read more.

Conclusion

Therefore, it indicates that those areas are unsustainable for further development. This explains why desert or desertifying areas in China have such a phenomenon of overpopulation. Therefore, desertification is an indicator of overpopulation. In recent years, Desertification has become a major environmental problem in Inner Mongolia. Yijinhuoluo County is one of the regions in China that is influenced most severely by desertification due to intensive human activities. It is situated in the southeastern part of the Inner Mongolia Autonomous Region in China. Due to the degradation of vegetation and reduction of surface coverage, desertification occurs. Desertification directly caused by wind erosion develops in Yijinhuoluo County. Therefore, if the vegetation cannot be re-established or the mobile sands cannot be fixed, the County will be facing the danger of further desertification. In conclusion, even the population size of a region is low, that region may also be overpopulated because of its insufficient resources, such as Yijinhuoluo County. Being overpopulated and have insufficient resources, that region will be unsustainable for further development. ...read more.

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