Interrelation between plant species diversity and soil environmental factors in bird island of Qinghai Lake

Chinese Journal of Applied Ecology

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Interrelation between plant species diversity and soil environmental factors in bird island of Qinghai Lake

WANG Shunzhong^1,2,CHEN Guichen¹,BAI Yuping³,ZHOU Guoying¹,SUN Jing¹

¹Northwest Institute of Plateau Biology,Chinese Academy of Sciences,Xining 810001,China;²Institute of Applied Ecology,Chinese Academy of Sciences, Shenyang 110016,China；³Liaoning Institute of Technology,Benxi 117022, China

Received:2003-11-03 Revised:2004-06-21 Online:2005-01-18

Abstract

Abstract: The study on the relationship between plant species diversity and soil factors in the bird island of Qinghai Lake indicated that this island was a low diversity district,its Shannon-Wienner index and species richness decreased with the increasing soil available K,water soluble salt concentration and pH,and there were significant linear and quadratic correlations between them.Stepwise linear regressions showed that soil available K and water soluble salt were the key factors to estimate Shannon-Wienner index and species richness in this island,respectively,and no correlation was found between species evenness and soil factors.

Key words: Taxus cuspidata, Chloroplasts, UV-C radiation, Membrane lipid peroxidation, PSⅡelectron transport activity

WANG Shunzhong^1,2,CHEN Guichen¹,BAI Yuping³,ZHOU Guoying¹,SUN Jing¹ . Interrelation between plant species diversity and soil environmental factors in bird island of Qinghai Lake[J]. Chinese Journal of Applied Ecology.

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Interrelation between plant species diversity and soil environmental factors in bird island of Qinghai Lake

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