摘要
以滇中地区主要的4种次生林(华山松林、云南松林、针阔混交林和阔叶林)为研究对象,通过样方调查,分析了群落结构特征和群落多样性。结果表明:各次生林群落优势种及其重要值(IV)分别为华山松林(华山松,89. 96)、云南松林(云南松,81. 64)、针阔混交林(云南松,34. 61;滇石栎,31. 03)、滇石栎(65. 03),以华山松林最为单优。各次生林群落分层物种丰富度指数和Shannon Wiener物种多样性指数均表现为灌木层>草本层>乔木层;华山松林、云南松林和针阔混交林分层物种Simpson优势度指数、Gini均匀度指数、Pielou均匀度指数均表现为草本层>灌木层>乔木层,阔叶林表现为灌木层>草本层>乔木层。针阔混交林的群落总体物种多样性最高,华山松林最低。
A preliminary investigation of the community structure and species diversity of four typical secondary forests(Pinus armandii forest,Pinus yunnanensis forest,Coniferous and Broad-leaved mixed forest,Broad-leaved forest)in central Yunnan province was carried out.The result showed that the dominant species and IV of the Pinus armandii forest were Pinus armandii and 89.96,the Pinus yunnanensis forest were Pinus yunnanensis and 81.64,the Coniferous and Broad-leaved mixed forest were Pinus yunnanensis,34.61and Lithocarpus dealbatus,31.03,the Broad-leaved forest were Lithocarpus dealbatus and 65.03,in which the Pinus armandii forest was the best.The richness and Shannon Wiener index of secondary was Shrubbery>Grass>Tree.The Simpson index,Gini index and Pielou index of the Pinus armandii forest,the Pinus yunnanensis forest and the Coniferous and Broad-leaved mixed forest were Grass>Shrubbery>Tree,while that of the Broad-leaved forest was Shrubbery>Grass>Tree.The community species diversity of the Coniferous and Broad-leaved mixed forest was the highest among them.
作者
郭宏龙
丁祖高
胡长杏
GUO Hong-long;DING Zu-gao;HU Chang-xin(Yunnan Hubai Environmental Protection Technology Co.Ltd.,Kunming Yunnan 650034,China)
出处
《环境科学导刊》
2018年第6期1-5,共5页
Environmental Science Survey
关键词
次生林
群落结构
物种多样性
滇中地区
secondary forest
community structure
species diversity
central Yunnan
