Liu Qing-de
Abstract
The natural general conditions of Zhangjiakou Bashang Grassland were introduced,the present situations of it were analyzed,and the causes of grassland degradation were expounded,at last the countermeasures were put forward.
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The natural general conditions of Zhangjiakou Bashang Grassland were introduced,the present situations of it were analyzed,and the causes of grassland degradation were expounded,at last the countermeasures were put forward.
Key concepts: Grassland, Grassland degradation, Geography, Agroforestry, Environmental science, Environmental protection, Ecology, Biology