The authors aim to research into the demonstration area of integrated management of Longqingxia wasteland in YanQing. Through the investigation of the climate,natural dust-fall,soil moisture,plant community and plant growth in forest land laid and unlaid with eco-mat,it is found that soil covered with eco-mat works well in preventing land from being eroded,restraining evaporation,reserving soil moisture,increasing soil temperature,promoting plant growth and formation of plant communities.

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