辽宁老秃顶子北坡植物群落物种多样性及其与土壤特性的相关性分析

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Abstract

Through systematic sampling surveys along altitudinal gradient,the authors analyze the trend of changes of species diversity of wood and herb layers of plant communities along altitudinal gradient,meanwhile preliminarily explore the correlation between species diversity of plant communities and soil characteristics on the northern slope of Laotudingzi Mountain,Liaoning Province by using species richness index,a diversity index and β diversity index.The results show that species diversity of wood layers declines with fluctuation with an increasing altitude,while species diversity of herb layers shows a trend of decreasing first but increasing later.Replacing speed of species diversity index is high in the transition zone between different communities.Major soil types are brown forest soil and dark brown forest soil with high organic matter content on the northern slope of Laotudingzi Mountain.There is a negative correlation between species diversity of plant communities and soil characteristics.

Key words： plant community species diversity elevation gradient soil characteristics

Received: 25 December 2009

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	Articles by authors
	ZHENG Nan
	ZHANG Hua
	WU Jing
	CAO Yue

Cite this article:

ZHENG Nan,ZHANG Hua,WU Jing, et al. Analysis of species diversity of plant communities and its correlation with soil characteristics on northern slope of Laotudingzi Mountain,Liaoning Province[J]. , 2009, 28(6): 510-515.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2009/V28/I6/510

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