摘要
在小陇山林区对连香树种群进行群落调查获得基础数据,通过静态生命表、存活曲线、死亡率曲线等方法对不同生境的连香树种群结构与动态进行分析的果表明:连香树种群的年龄结构呈正金字塔形,其种群属于增长型;连香树种群整体上其存活曲线属于DeeveyⅡ型;连香树种群存在两个死亡率高峰,分别在幼苗向幼树转化阶段和成年阶段,连香树种群在10龄级时大多已死亡,总亏损度最大,为4.605。
The Cercidiphyllum population of Xiaolongshan region was field investigate. The structure and dynamics of Cercidiphyllum population in different habitats were analyzed by static life table,survival curve,mortality curve. The results showed that the age structure of Cercidiphyllum population was positive pyramid and in growth. The survival curve of Cercidiphyllum population should belong to DeeveyⅡ type; Cercidiphyllum population had two mortality peak in the stage of transforming from seedlings to young and adult stage. Cercidiphyllum population were mostly dead in 10 age and the maximum of total losses was 4. 605.
出处
《林业科技》
2014年第3期53-55,共3页
Forestry Science & Technology
关键词
连香树
种群生命表
濒危植物
Cercidiphyllum japonicum
Population life table
Endangered plant
