文献类型：期刊文献

中文题名：黔中喀斯特植被自然演替过程中物种组成及多样性研究--以贵州省普定县为例

英文题名：Species Composition and Diversity in the Process of Natural Succession of Karst Vegetation in Central Guizhou:Case Study of Puding Country in Guizhou

作者：司彬[1,2] 姚小华[1] 任华东[1] 李生[1] 何丙辉[2]

第一作者：司彬

机构：[1]中国林业科学研究院亚热带林业研究所,国家林业局亚热带林木培育重点开放性实验室,浙江富阳311400;[2]西南大学资源环境学院,重庆400716

年份：2008

卷号：21

期号：5

起止页码：669-674

中文期刊名：林业科学研究

外文期刊名：Forest Research

收录：CSTPCD;;Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

基金：国家林业局重点项目“石漠化地区植被恢复与生态重建技术试验示范”(2003-053-L53);国家林业重点工程科技支撑项目“喀斯特石漠化地区植被恢复与重建技术研究”([2003]88-1);“南方石漠化山地植被恢复技术应用示范”(林计批字2006-3);科技部公益项目“石漠化植被恢复技术支持体系构建”(2005DIB3J146)

语种：中文

中文关键词：喀斯特植被;自然演替;物种组成;物种多样性;黔中

外文关键词：Karst vegetation ; natural succession ; species composition ; species diversity ; Central Guizhou

分类号：S754.1

摘要：根据植物群落的特征,将黔中喀斯特地区石漠化后植被自然演替过程分成草丛阶段、草灌阶段、藤刺灌丛阶段、次生乔林阶段和常绿阔叶林阶段,应用物种丰富度指数、Simpson指数、Shannon-Wiener指数和Pielou均匀度指数分别研究各演替阶段草本层、灌木层、乔木层和群落总体的物种多样性。结果表明:在植被演替过程中,物种多样性从草丛阶段开始增加,草本层到藤刺灌丛阶段达到峰值,随后下降;灌木层、乔木层和群落总体则增长到次生乔林阶段达到峰值。草丛阶段和草灌阶段物种多样性为草本层>灌木层;藤刺灌丛阶段乔木层物种多样性最低,草本层与灌木层物种多样性大小对比因测度方法不同而有差异;次生乔林阶段和常绿阔叶林阶段物种多样性为灌木层>草本层>乔木层。黔中喀斯特地区石漠化后在人为干扰较小的情况下,植物群落由草本植物占优势逐渐向灌木和乔木树种占优势转移,并最终形成喀斯特森林。
The process of natural succession of vegetation in Karst rocky desertification area in central Guizhou was divided into the herbosa stage, the stage of herbosa-shrub, the stage of vine-shrub, the stage of subaltern tree forest and the stage of evergreen broad-leaved forest according to the characteristic of plant community. The species diversities in the layers of herb, shrub, tree and community at different successional stages were measured by the methods of species abundance, Simpson index, Shannon-Wiener index and Pielou＇ s evenness index. The results showed that the diversity indices in herb layer rose steadily after the succession developed from the herbosa stage, and reached the maximum in the stage of vine-shrub, then decreased gradually. The diversity indices in shrub layer, tree layer and community reached the maximum in the stage of subaltern tree forest. The diversity indices of herb layer were higher than those of shrub layer in the herbosa stage and the stage of herbosa-shrub. There were difference among the indices of the herb and shrub layers in the stage of vine-shrub, and the indices of tree layer were the lowest. While in the stage of subaltern tree forest and climax stage, diversity indices of shrub layer were higher than those of herb layer, which was greater than those of tree layer. In the case of litter artificial disturbing effect, the advantage of herbage declined while that of shrub and arbor rose steadily in the natural succession of vegetation in Karst rocky desertifieation area in central Guizhou. And the Karst forest formed finally.