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Eco - environment Changes and Countermeasures in the Yellow River Source Region

WANG Ying;LI Yaohui;SUN Xuying;Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province,Key Open Laboratory of Arid Climate Change and Disaster Reduction of CMA,Institute of Arid Meteorology,CMA;  
Yellow River Source region is an important component of the three-river source nature reserve,the ecological environment has been disturbed severely in the Yellow River source under the background of global warming and human activity.By reviewing the research advancements about the regional ecological and natural environment evolution characteristics,the main ecological environment problems in Yellow River source were summarized from two aspects,including the degeneration of vegetation,permafrost and wetland ecosystem,the increasing effect of climate warming and drying,runoff changing,soil erosion,soil desertification,soil organic carbon losing,rodent damage and human impact.And the corresponding countermeasures were put forward: Setting up perfect ecological compensation system,strengthening the legislation of ecological environment conservation,establishing unified supervision and management organization,establishing the high quality law enforcement staff,dividing the function district rationally,developing ecological tourism,reinforcing the consciousness of environment protection.
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