Species Abundance in a Forest Community in South China: A Case of Poisson Lognormal Distribution

编号 zgly0000365546

文献类型 期刊论文

文献题名 Species Abundance in a Forest Community in South China: A Case of Poisson Lognormal Distribution

学科分类 220.1060;森林生态学

作者 Zuo-YunYIN  HaiREN  Qian-MeiZHANG  Shao-LinPENG  Qin-FengGUO  Guo-YiZHOU 

作者单位 SouthChinaBotanicalGarden(formerlySouthChinaInstituteofBotany)  theChineseAcademyofSciencesGuangzhou510650  China//GuangdongForestResearchInstitute  Guangzhou510520  China  SouthChinaBotanicalGarden(formerlySouthChinaInstituteofBotany)  theChineseAcademyofSciencesGuangzhou510650  China  SouthChinaBotanicalGarden(formerlySouthChinaInstituteofBotany)  theChineseAcademyofSciencesGuangzhou510650  China//SchoolofLifeSciences  ZhongshanUniversity  Guangzhou510275  China  SouthChinaBotanicalGarden(formerlySouthChinaInstituteofBotany)  theChineseAcademyofSciencesGuangzhou510650  China//USGeologicalSurvey  Jamestown  ND58401  USA 

母体文献 Journal of Integrative Plant Biology;植物学报: 英文版 

年卷期 2005,47(7)

页码 801-810

年份 2005 

分类号 S718.54 

关键词 森林群落  群落多样性  鼎湖山生物圈自然保护区  最大可能性估量  泊松对数正态分布 

文摘内容 Case studies on Poisson lognormal distribution of species abundance have been rare, especially in forest communities. We propose a numerical method to fit the Poisson lognormal to the species abundance data at an evergreen mixed forest in the Dinghushan Biosphere Reserve, South China. Plants in the tree, shrub and herb layers in 25 quadrats of 20 m×20m, 5m×5m, and 1m×1 m were surveyed. Results indicated that: (i) for each layer, the observed species abundance with a similarly small median, mode, and a variance larger than the mean was reverse J-shaped and followed well the zero-truncated Poisson lognormal; (ii) the coefficient of variation, skewness and kurtosis of abundance, and two Poisson lognormal parameters (σ and μ) for shrub layer were closer to those for the herb layer than those for the tree layer; and (iii) from the tree to the shrub to the herb layer, the σ and the coefficient of variation decreased, whereas diversity increased. We suggest that: (i) the species abundance distributions in the three layers reflects the overall community characteristics; (ii) the Poisson lognormal can describe the species abundance distribution in diverse communities with a few abundant species but many rare species; and (iii) 1/σ should be an alternative measure of diversity。