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Harm,Causes and Countermeasures of Land Desertification in China

MA Jun et al(Beipu Town,Xixia district,Yinchuan City,Ningxia Autonomous Region,Yinchuan,Ningxia 750021)  
China is one of the countries with bigger area of global desertification,wider distribution and more serious hazards.The land desertification has the characteristics of wide distribution,complicated and various causes,different types,speedy development and serious damage and so on.In recent years,although the problems have been initially controlled by a series of effective countermeastures,the land conditions are still critical in expansion of desertification and sandy land.The harm,causes and countermeastures of land desertification were summed up.
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