期刊论文

中文

中南林业科技大学学报

1673-923X

2011

31

4

31-36,41

10.14067/j.cnki.1673-923x.2011.04.005

国家林业局野生植物珍稀濒危物种调查监管项目“珙桐野生种群调查及生境评估”（2008-354）；

本校为第一机构

为了解湖南省壶瓶山自然保护区内野生珙桐资源的分布和植物群落情况，采用样方调查法，对野生珙桐资源的分布、植物群落特点和生境进行了调查研究。结果表明:(1)珙桐群落中共有维管束植物65种，隶属37科59属。植物区系组成以东亚分布最多，达16属，占27.1%。其次是北温带分布，共12属，占20.3%。珙桐群落区系的温带成分所占比例大于热带成分，其种类组成具有亚热带向温带过渡的特征。(2)群落垂直结构可分为乔木层、灌木层、草本层和层间植物。乔木层及灌木层不发达，草本层较发达。群落根据Raunkiaer生活型谱划分以高位芽植物占优势(32.3%)，与其它亚热带常绿落叶林生活型谱各项比率相近似。(3)...

The resources and community structure of Davidia involucrata in Hupingshan Nature Reserve of Hunan province were studied by using the sample plot method.The results show that：（1） There were 65 vascular plant species in the community belonging to 37 families and 59 genera.The composition of Davidia involucrata community mainly consists of the East Asia distribution,the rate reached to 27.1 %（16 genera）,and the next was North Temperate distribution,about 20.3%（12 genera）.The component of species had the typical characteristics that it is f...