引用本文:[点击复制]
[点击复制]
【打印本页】【下载PDF全文】 查看/发表评论下载PDF阅读器关闭

←前一篇|后一篇→

过刊浏览    高级检索

本文已被:浏览次   下载 本文二维码信息
码上扫一扫!
叶山林场次生阔叶林乔木树种多样性及种间关联分析
郝耀锋,樊丙玉,吴开华,黄庆丰
0
(安徽农业大学林学与园林学院,合肥230036)
摘要:
通过铜陵叶山林场次生落叶阔叶林样地调查,对乔木层物种丰富度指数、植物多样性指数、Pielou均匀度指数、生态优势度指数、重要值和种间关联进行分析。结果表明,在12块样地中共有乔木树种19种,平均植物多样性指数、均匀度指数和生态优势度指数分别为1.25、0.70和0.37。优势树种麻栎重要值为105.3,伴生树种化香、枫香和国槐重要值分别为65.1、36.3和18.6。该森林类型为麻栎落叶阔叶混交林。19个树种之间共存在171对相关,但正关联树种对少于负关联树种对,正负关联比小于1,说明该群落类型还处于演替阶段,即由落叶阔叶林向常绿与落叶阔叶混交林过渡阶段。
关键词:  次生阔叶混交林  树种多样性  重要值  种间关联  叶山林场
DOI:
投稿时间:2012-05-17
基金项目:国家自然科学基金项目(31070569)资助。
Analysis of tree species diversity and interspecific association of tree layer in secondary broad-leaved forest in Yeshan forest-farm
HAO Yao-feng,FAN Bing-yu,WU Kai-hua,HUANG Qing-feng
(School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036)
Abstract:
Based on the investigation of plots, the indexes of species richness, plant diversity, Pielou evenness and ecological dominance, important value and interspecific association of tree layer in secondary broad-leaved forest were calculated and analyzed in Yeshan forest-farm of Tongling county. The results showed that there are 19 tree species in the 12 plots. Mean indexes of plant diversity, evenness and ecological dominance are 1.25, 0.70 and 0.37, respectively. The important value of dominant tree, Quercus acutissima, is 105.3, and the companion tree species, Platycarya strobilacea, Liquidambar formosana and Sophora japonica, are 65.1, 36.3 and 18.6, respectively. This forest type is Quercus acutissima deciduous broadleaved mixed forest. One hundred and seventy-one tree species coexist correlation among 19 tree species, but the pairs of the positive associated tree species are less than the negative ones. The ratio between the positive and negative association is less than 1, which mean that this community type is still in successive stage, namely the transition stage from the deciduous broadleaved forest to the evergreen and deciduous broadleaved mixed forest.
Key words:  secondary broad-leaved mixed forest  tree species diversity  importance values  interspecific association  Yeshan forest-farm

用微信扫一扫

用微信扫一扫