摘要
基于125个样地调查数据对浦江县公益林物种组成进行分析,继而研究公益林群落α多样性和β多样性及其与环境因子间的相关性,研究结果表明:(1)浦江县公益林共有物种266种,其中乔木层104种,马尾松的重要值最大;灌木层132种(其中48种为乔木幼苗),格药柃的重要值最大;草本层78种,里白的重要值最大。(2)浦江县不同森林群落类型的群落物种丰富度在数值上表现为阔叶林群落>针阔混交林群落>毛竹群落>杉木林群落>松林群落>灌木林群落。(3)坡度和海拔因子对浦江县公益林物种多样性分布影响较为显著,随着坡度的增大,群落间的相似性呈先减弱后增强再减弱的趋势;随着海拔的增加,群落间的相似性呈先增大后减小的趋势。
Public welfare forests have provided many more ecological benefits to human beings thancommercial woodlands.In this study the main objective was researching alpha diversity and betadiversity of public welfare forests in Pujiang City and analyzing the correlation between biodiversityand environmental factors.Based on125permanent sample plots,we took investigation and analysis ofthe dominant species and species composition of public welfare forest in Pujiang City.The resultsshowed that there were266kinds of species in the study area,of which104species of tree layer,132species of shrub layer(including48species of tree seedlings),78species of herb layer.Pinusmassoniana,Eurya muricata and Hicriopteris glauca were the dominant species of the tree layer,shrublayer,and herb layer,respectively.The community species richness of different kinds of forestspresented that broad-leaved forest>coniferous and broadleaved mixed forest>Phyllostachys heterocyclaforest>Cunninghamia lanceolata forest>pine forest>shrub forests.Slope and elevation was much moresignificant effects on species diversity distribution.With the increase of slope,the similarity betweencommunities showed a trend of increase and decrease after the first weakened,while with the increaseof altitude,the similarity between communities was increased firstly and then decreased.
作者
于姗君
王震明
徐季宏
郑朝阳
Yu Shanjun;Wang Zhenming;Zheng Chaoyang;Xu Jihong(Forestry Bureau of Pujiang County 322200;Forestry Working Station of Zhongyu Township, Pujiang County 322209)
出处
《华东森林经理》
2017年第2期37-41,52,共6页
East China Forest Management
关键词
公益林
α
多样性
β
多样性
坡度
海拔
public welfare forest
alpha diversity
beta diversity
slope
elevation
