不同生境条件下中国柽柳空间分布点格局分析

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Abstract

By cluster analysis,the habitats of Tamarix chinensis in the Yellow River Delta are classified into three types:habitat with high salinity and drought condition,habitat with low salinity and drought condition,and habitat with low salinity and moist condition. Using point pattern analysis method,we analyze the spatial distribution rules of different habitats.Tamarix chinensis at different scales. The results show that in high salinity and drought habitat,as well as low salinity and drought habitat,the age class 2 T.chinensis is randomly distributed in all scales;while in low salinity and moist habitat,the age class 3 T chinensis is also randomly distributed in all scales.Distribution rules of other age class T.chinensis are significantly different in different habitats,indicating that in the Yellow River Delta the younger and senior age classes T.chinensis are able to adapt to ecological processes of water-salt balance by adjusting the spatial distribution patterns.The relationships among T.chinensis age classes in different habitats are more positively correlated,while some age classes have no relation at some spatial scales.

Key words： Tamarix chinensis habitat spatial pattern Yellow River Delta wetland

Received: 25 April 2011

:	Q941.2
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	Articles by authors
	ZHAO Xin-sheng
	CUI Bao-shan
	SUN Tao
	Lü Juan-zhang

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ZHAO Xin-sheng,CUI Bao-shan,SUN Tao, et al. Analysis of spatial point pattern of Tamarix chinensis in different habitats[J]. , 2011, 30(2): 142-149.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2011/V30/I2/142

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