Species diversity and stability of a natural Quercus forest in Baotianman，Henan Province
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摘要: 利用河南省宝天曼国家级自然保护区32块样地资料，通过划分不同的群落类型，利用Simpson指数（D），Shannon-Wiener指数（H）和Pielou指数（R）等3个物种多样性指数及改进的M-Godron稳定性测定方法分别对该区物种多样性和群落稳定性进行测度，研究了栎类Quercus天然林群落物种多样性和稳定性的耦合相关关系。结果表明：群落A，群落B，群落C和群落D的稳定性数值分别为0.084 6，0.239 4，0.291 7和6.456 6，除群落D处于不稳定状态，其他3个群落类型均处于稳定状态，且稳定值差别不大；所有植物Simpson指数、 Shannon-Wiener指数和Pielou指数与群落稳定性数值之间相关系数分别为0.998 3，0.968 0和0.999 7。以95%的置信概率检验结果表明，两者存在着显著的正相关关系，即植物群落的物种多样性越高，结构越复杂，稳定性就越强。图2表2参15
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关键词:
- 森林生态学 /
- 改进M-Godron法 /
- 群落稳定性 /
- 物种多样性 /
- 天然次生林群落 /
- 宝天曼国家级自然保护区
Abstract: To measure and study the values and relationships between community diversity and stability of four communities（A，B，C，and D） in a natural Quercus（oak） forest，data from thirty-two sample plots of the Baotianman Nature Reserve in Henan Province were obtained and analyzed according to three diversity indexes: the Simpson index（D），the Shannon-Wiener index（H），and the Pielou index（R） as well as a community stability index：the improved M-Godron method. A correlation analysis of the three diversity indexes to the community stability values（SV） was also conducted. Results showed that communities A（ SV = 0.084 6），B（SV = 0.239 4），and C（SV = 0.291 7） were stable，but community D（SV = 6.456 6） was unstable. Correlation coefficients for community stability versus species diversity ［D（r = 0.998 3），H（r = 0.968 0），and R（r = 0.999 7）］ were significant（P ＜ 0.05）. Thus，with more species diversity forest structure is more complex and stability is better. ［Ch，2 fig. 2 tab. 15 ref.］ -
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链接本文:
https://zlxb.zafu.edu.cn/article/doi/10.11833/j.issn.2095-0756.2011.04.017
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