生态环境学报2026，Vol.35Issue(6)：922-927,6.DOI:10.16258/j.cnki.1674-5906.2026.06.009
邻体相互作用对温带次生林树木生长及稳定性的影响
Effects of Neighborhood Interactions on Growth and Stability of Trees in Temperate Secondary Forest
摘要
Abstract
Clarifying the impact of neighborhood interactions on tree growth and TS(temporal stability)is crucial for evaluating the productivity and stability of natural forests.However,relevant studies remain scarce.This study takes the dominant tree species Liriodendron tulipifera and the non-dominant tree species Fagus grandifolia in the permanent plots of a temperate secondary forest as examples.This work uses BAI(basal area increment)to represent tree growth,and analyzed the impact of neighborhood interactions on tree growth and TS.The results showed that:1)The growth rate and TS of both tree species increased significantly with increasing diameter at breast height.The two species differed in that the growth rate of Liriodendron tulipifera increased more rapidly with diameter at breast height than that of Fagus grandifolia.2)The mean BAI was more important for TS than the standard deviation of BAI.In addition,neighborhood competition reduced the growth of target trees,and thus reduced tree TS;3)Intraspecific and interspecific competition impacted the growth and TS of dominant and non-dominant tree species differently.The growth and TS of Liriodendron tulipifera were significantly negatively correlated with the intraspecific and interspecific competition intensity(p<0.05),while the growth and TS of Fagus grandifolia were only significantly negatively correlated with the interspecific competition intensity(p<0.05).In conclusion,reducing the number of trees of the same and different species helps increasing the growth rate and TS of Liriodendron tulipifera.Only reducing interspecific competition can increase the growth rate and TS of Fagus grandifolia.关键词
邻体相互作用/时间稳定性/种内竞争/种间竞争/树木年轮/次生林Key words
neighborhood interaction/temporal stability/intraspecific competition/interspecific competition/tree ring/secondary forest分类
农业科技引用本文复制引用
李赢,黄华丽,张帆,韩艳刚..邻体相互作用对温带次生林树木生长及稳定性的影响[J].生态环境学报,2026,35(6):922-927,6.基金项目
辽宁省教育厅高校基本科研项目面上项目(JYTMS20230808) （JYTMS20230808）
辽宁省教育厅大学生创新训练项目(S202510147035) （S202510147035）
