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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (2): 343-348    DOI: 10.7522/j.issn.1000-694X.2013.00048
Ecology and Economics     
Quantitative Characteristics of Three Plant Communities in Yanchi of Ningxia, China
LIU Li-dan, XIE Ying-zhong, QIU Kai-yang
School of Agriculture, Ningxia University, Yinchuan 750021, China
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Abstract  

The quantitative characters of Lespedeza potaninii community, Lespedeza potaninii-Artemisia ordosica community and Artemisia ordosica community in Yanchi couty, located at the southwestern edge of Mu Us Sandy Land, was investigated. The results showed that: From Lespedeza potaninii community to Artemisia ordosica community, via Lespedeza potaninii-Artemisia ordosica community, Species composition were various, while the relatively importance value of dominant species changed significantly. The main species of plant lost their dominant position gradually to those drought-and-wind resistant perennial and annual herbs, and eventually replaced by those desert annual herbs and shrubs. The composition of life form showed that the number of perennial cryptophytes and their importance value decreased, while the number of annual species and their importance value increased. The diversity index reflected the great differentiation of species composition in the three plant communities.

Key words:  sandy land      plant community      quantitative characteristics      Yanchi     
Received:  27 March 2012      Published:  27 May 2012
ZTFLH:  S714  
Articles by authors
LIU Li-dan
XIE Ying-zhong
QIU Kai-yang

Cite this article: 

LIU Li-dan, XIE Ying-zhong, QIU Kai-yang. Quantitative Characteristics of Three Plant Communities in Yanchi of Ningxia, China. JOURNAL OF DESERT RESEARCH, 2013, 33(2): 343-348.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00048     OR     http://www.desert.ac.cn/EN/Y2013/V33/I2/343

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