Relationships Between Species Diversity of Plant Communities and Soil Factors in Alpine-cold Grassland

GAO Guo-gang; HU Yu-kun; LI Kai-hui; XIAO Hong-Liang; GONG Yan-ming; YIN Wei

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Relationships Between Species Diversity of Plant Communities and Soil Factors in Alpine-cold Grassland

- Relationships Between Species Diversity of Plant Communities and Soil Factors in Alpine-cold Grassland
- Bulletin of Soiland Water Conservation Vol. 28, Issue 3, Pages: 118-122(2009)
- 作者机构：
  
  1. 中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011
  2. 中国科学院研究生院,北京,100039
  4. 乌鲁木齐市达坂城区草原监理所,新疆,乌鲁木齐,830039
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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GAO Guo-gang, HU Yu-kun, LI Kai-hui, et al. Relationships Between Species Diversity of Plant Communities and Soil Factors in Alpine-cold Grassland[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 118-122.
DOI：

GAO Guo-gang, HU Yu-kun, LI Kai-hui, et al. Relationships Between Species Diversity of Plant Communities and Soil Factors in Alpine-cold Grassland[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 118-122. DOI：

摘要

对新疆巴音布鲁克高寒草地植物群落4个物种多样性指数和14个土壤指标进行回归分析，结果表明，全盐，HCO

，Ca

，速效N，pH值，土壤含水量与物种多样性有显著相关关系(

0 05)。全盐，HCO

，Ca

，速效N和土壤含水量与丰富度指数的最好拟合为二项式，pH值与丰富度指数的最好拟合为直线回归，全盐，Ca

和pH值与Shannon—Wiener指数的最好拟合为二项式，土壤含水量与Shannon—Wiener指数的最好拟合为直线回归，这表明物种多样性与土壤环境因子的关系并不是简单的正相关或负相关关系。

Abstract

The plant communities species diversity of alpine-cold grassland in different elevation gradients was studied.Regression analysis was used to study the relationships between 4 diversity indexes and 14 soil factors.Results indicated that total salt content

HCO3-

Ca2+

available nitrogen

and soil moisture content were correlative to species diversity significantly(P<0.05).The relationship among diversity

total salt content

HCO3-

Ca2+

available nitrogen

and soil moisture content was best fitted by binomial model.The relationship between pH and richness index was best fitted by linear model.The relationship among Shannon Wiener index

the total salt content

Ca2+

and pH was best fitted by binomial model.The relationship between soil moisture content and Shannon Wiener index was best fitted by linear model.The results showed that diversity did not have a simple negative or positive relationship with the soil factors.

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