Analysis of Species Diversity on Forest Community in the Loess Plateau of North Shaanxi Province

YUE Ming; CUI Yan-tang; WANG Shuang-feng 

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Analysis of Species Diversity on Forest Community in the Loess Plateau of North Shaanxi Province

- Analysis of Species Diversity on Forest Community in the Loess Plateau of North Shaanxi Province
- Bulletin of Soiland Water Conservation Vol. 22, Issue 1, Pages: 39-41(2003)
- 作者机构：
  
  西北大学秦岭生物多样性研究中心,陕西,西安,710069
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157.1
- Published：2003
- 稿件说明：
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YUE Ming, CUI Yan-tang, WANG Shuang-feng . Analysis of Species Diversity on Forest Community in the Loess Plateau of North Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2003, 22(1): 39-41.
DOI：

YUE Ming, CUI Yan-tang, WANG Shuang-feng . Analysis of Species Diversity on Forest Community in the Loess Plateau of North Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2003, 22(1): 39-41. DOI：

摘要

用物种多样性指数〔Shannon-wienner指数、Margalef's指数、Simpson'sDiversity(1/Dominance)指数和均匀度指数(Evenness均匀度)和物种丰富度

对陕北黄土高原5种主要天然森林群落(油松林、山杨林、辽东栎林、白桦林、侧柏林)物种多样性进行了分析。结果表明

陕北黄土高原5种森林群落中山杨林物种多样性最高。植物生长型与物种多样性的关系表现为草本层的物种丰富度、多样性程度大于灌木层

灌木层大于乔木层草本层均匀度与灌木层相差不明显

但二者显著大于乔木层。

Abstract

The species diversity of five forest communities of the loess plateau in the north of Shaanxi province is measured with species diversity index(Shannon-Wienner index

Marg alef'index

Simpson's diversity index)

evenness index and species richness.The result shows that the species diversity of Populus davidiana forests is the highest in five forest communities.The species diversity index and richness index for different strata is in the following order:herb stratum> shrub stratum> tree stratum.As for the evenness index

the order is tree stratum< herb stratum

tree stratum< shrub stratum while species diversity of herb stratum has no significant difference with shrub stratum.

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