The health evaluation of Stipa bungeana Trin. steppe in Ningxia based range condition
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DOI：10.7606/j.issn.1000-7601.2011.06.38
Key Words: range condition  Stipa bungeana Trin.  typical steppe  health evaluation
Author NameAffiliation
LI Weijun Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
ZHANG Xin Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
HU Yanli Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
LIU Yongjin Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
GU Xiaolin Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
JI Xiuyun Management Qffice of the Yunwu Mountains Reseroation， Guyuan, Ningxia 756000，China 
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Abstract:
      The outwards radial samples were surveyed with Grassland Nature Reserve of Guyuan Yunwu Mountain as the center to evaluate the healthy status of Stipa bungeana Trin. steppe in Ningxia based range condition. The results showed that the grasslands of Yunwu Mountain， Yueliang Mountain， and Nanhua Mountain were in healthy status; Yuanzhou, Pengyang，Longde, Xiji and Yanchi's were in sub-healthy status; while Haiyuan and Tongxin s were in un-healthy status.
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