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宝华山典型群落物种多样性的差异性分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2003年06期
Page:
35-39
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
The Analysis of Differences of Species Diversity Among Typical Communities in Baohua Mountain
Article ID:
1000-2006(2003)06-0035-05
Author(s):
ZHANG MingjuanLiu Maosong*WANG LeiXU ChiZHU Xubin
School of Life Science Nanjing University,Nanjing 210093,China
Keywords:
Species diversitySpecies evennessLife formSignificance of differenceBaohua mountain
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2003.06.009
Document Code:
A
Abstract:
The means and variance range of species richness,species diversity and evenness indices of four life forms(trees,shrubs,herbages,vines) in five typical communities in Baohua Mountain Natural Reserve were analyzed with Ftest and ttest analysis.The result shows that the variance range of species richness of herb is significantly greater than that of vine and greater than that of trees,the variance range of species richness of shrubs is significantly greater than that of vine,but the variance range of species richness of shrubs and trees is not significant.Though the environment is quite different in the 5 communities,the variance range and average of species diversity indices of trees,shrubs and herbs do not vary obviously.Though the means of evenness indices for each life form do not show obvious difference,the variance range of evenness indices of trees and shrubs is much greater than that of herbs and vines,which shows that the indices of species evenness of trees and shrubs are more effective than vines and herbs in representing the difference of community type and disturbance regime.Besides,the research shows that the indices based on importance value are more significant than those on individuals.

References

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Last Update: 1900-01-01