The 81,800-hectare Baijitan National Nature Reserve in Lingwu is on the edge of the Maowusu Desert, which covers an area of more than 40,000 square kilometers. The gradually expanding desert has been a critical problem constraining regional development since the 1950s. Statistics show that some 42,000 hectares of forests have been cultivated over the past 60 years, controlling more than 60,000 hectares of sand. Currently, the forest coverage of the reserve has reached 40.6 percent.

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