七姊妹山自然保护区台湾水青冈林群落学特征研究  

The study on coenological characteristics of Fagus hayatae community in Qizimei mountain natural reserve

作　　者：何俊[1] 汪正祥[1] 雷耘[2] 李中强[1] 张柳[1] 满金山 

机构地区：[1]湖北大学资源环境学院,武汉430062 [2]华中师范大学生命科学学院,武汉430079 [3]湖北省直恩县林业局,湖北宣恩445500

出　　处：《华中师范大学学报（自然科学版）》2008年第2期272-277,共6页Journal of Central China Normal University：Natural Sciences

基　　金：国家自然科学基金(30770396);湖北省青年杰出人才基金(2007ABB002);中国留学回国博士后科学基金项目资助

摘　　要：台湾水青冈(Fagus hayatae)属国家Ⅱ级保护植物,主要分布于台湾北部山地,在大陆分布很少.采用Braun-Blanquet(1964)、Fujiwara(1987)的植物社会学调查方法并结合典型样方法,对分布在七姊妹山自然保护区的原始台湾水青冈林群落学特征进行了分析.结果表明:七姊妹山的台湾水青冈群落有植物68种,分属34科、48属;植物区系成分以北温带和东亚分布类型占优势,分别有10属和9属,占所有属的22.22%和20%,热带成分和温带成分所占比例大体接近;重要值分析表明,台湾水青冈具有明显优势,马银花(Rhododendron ovatum)和小叶青冈(Cyclobalanopsis gracilis)为次优势种;除物种丰富度外,其他多样性指数基本表现为草本层>乔木层>灌木层.群落结构呈倒金字塔形,属于衰退型群落,需加强对其保护.The Fagus hayatae is the Chinese national protected plants of the second class. It distributed mainly in the northern mountain of Taiwan, rarely in mainland. In this study, we analysed the characteristics of natural F. hayatae community in Qizimei mountain natural reserve by phytosociological and typical plots methods. The results showed as follows：the F. hayatae community in Qizimei mountain contained 68 species, representing 48 genera and 34 families;In the level of genera,the north temperate and the east Asia distributed-type elements were the domimant areal types,having 10 and 9 genera,with the proportion of 22. 22% and 20%, respectively, and in all, the tropical and temperate elements took the approximate proportion. The analysis of important value in tree layer showed F. hayatae was the main dominant species, and the sub-dominant species were Rhododendron ovaturn and Cyclobalanopsis gracilis;the species diversity indexes of community had the same patterns：the herb was the highest, and the shrub was the lowest,except for the richness index. Due to the reverse pyramidal model of age structure, we may conclude that the F. hayatae natural community is decreasing community, so we should enforce the protection and research on it.

关 键 词：台湾水青冈 区系 物种多样性 年龄结构 演替 七姊妹山 

分 类 号：Q948[生物学—植物学]