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文献详情 >西藏冷杉原始林群落物种多样性初步研究 收藏

西藏冷杉原始林群落物种多样性初步研究

Primary Study on Species Diversity of Community of Abies georgei Virgin Forest in Tibet.

作     者:任青山 

作者机构:东北林业大学哈尔滨150040 

出 版 物:《生态学杂志》 (Chinese Journal of Ecology)

年 卷 期:2002年第21卷第2期

页      面:67-70页

核心收录:

学科分类:07[理学] 0713[理学-生态学] 

基  金:国家自然科学基金项目 ( 39970 5 93) 西藏自治区科技厅资助 

主  题:西藏 冷杉 原始林 物种多样性 

摘      要:Species diversity of shrubs and herb under virgin forests of Abies georgei in Sejila Mountains of southeastern Tibet was measured quantitatively and analyzed by the investigating method of typical plot, three α diversity and two β diversity *** results indicated that α and β diversities had the same *** the increase of altitude,the species richness,evenness and diversity indices *** species distribution and number of shrubs and herb under forests had apparently *** similarity of community got more and more *** georgei forests took on open distribution near the timberline,*** and *** were mainly dominant species of shrubs,and then *** and *** were dominant species of *** distribution results in obvious characteristics of *** use of Motyka β diversity indices could much more reflect accurately the characteristics of mutual influence between the change of altitude gradients and species substituation.

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