摘要
采用样方调查法对福建省光泽县2个南方红豆杉群落(分别位于李坊乡杨里村后洋自然村、华桥乡古林村饶上自然村)的植物组成和多样性进行研究,结果表明:2个南方红豆杉群落共有维管束植物159种,隶属于127属76科,其中海拔480 m的后洋南方红豆杉群落中的常绿木本植物的物种数(60种)及其占总物种数的比例(59.41%)均大于海拔700 m的饶上南方红豆杉群落(57种、47.50%)。维管束植物热带分布属的数量在2个群落中均占优势,其百分比在后洋群落(63.29%)略高于饶上群落(57.78%),表明2个群落均具有明显的中亚热带森林植物区系特点。2个群落灌木层的植物多样性指数均高于其他层次,但南方红豆杉的幼苗幼树数量少,种群正处于衰退中。
Base on field survey of sampling plots,plant species composition and diversity of two Taxus wallichiana var.mairei communities in Guangze County,Fujian Province （located in Houyang Natural Village,Yangli Village,Lifang Town and Raoshang Natural Village,Guling Village,Huaqiao Town,respectively） were studied.There were 159 vascular plant species belonging to 127 genera and 76 families in the two sites.Number and percentage of evergreen woody plant species were 60 and 59.41%,respectively,in the community at Houyang site with an elevation of 480 m,and they were higher than those in the community at Raoshang site with an elevation of 700 m （57 species and 47.50%,respectively）.Genera of tropical areal-types of vascular plants were dominant in both of the two communities,and their percentage at Houyang site （63.29%） was slightly higher than that at Raoshang site （57.78%）,reflecting distinct mid-subtropical floristic characteristics.Plant species diversity in shrub layers were the highest among all the layers in both of the two communities,but the number of seedlings and young trees of T.wallichiana var.mairei was small,and the population was declining.
作者
黄健韬
HUANG Jiantao(Forestry Bureau of Nanping City ,Nanping 353000 ,Fujian, Chin)
出处
《福建林业科技》
2017年第3期1-9,57,共10页
Journal of Fujian Forestry Science and Technology
基金
福建省林业厅科技计划项目(苦槠种质资源收集
保存与评价
闽林科[2012]函2号)
关键词
南方红豆杉
植物组成
植物多样性
福建光泽
Taxus wallichiana var. mairei
plant species composition
plant species diversity
Guangze County of Fujian Province
