广西林业科学2026，Vol.55Issue(3)：309-313,5.DOI:10.19692/j.issn.1006-1126.20260310
大叶栎萌芽林密度效应初步研究
Initial Research on Density Effect of Castanopsis fissa Sprouting Forest
摘要
Abstract
In order to investigate effects of stump density and sprout number per stump on growth of Castanop-sis fissa sprouting forest,taking naturally regenerated C.fissa sprouting forest following clear-cutting in 2015 as research object,four stump density treatments(450,600,750 and 900 stumps/hm2)were established.Linear mixed model was used to control sprout number per stump and random plot effects,effects of stump density treatments on sprout DBH,tree height,individual volume and stand accumulation were analyzed.Results showed that stump density had no significant effects on sprout DBH,tree height,individual volume and stand accumulation.Sprout number per stump was significantly negatively correlated with DBH and individual vol-ume,but showed no significant correlation with tree height.600 stumps/hm2 treatment exhibited the highest pro-portion of sprouts with DBH≥10 cm,while also maintaining relatively higher stand accumulation,which demon-strated better yield stability.Under site conditions and stump density range of this study,stump density effect was weak and sprout number per stump was primary factor constraining individual growths.关键词
萌芽林/更新/林分密度/生长量/大叶栎Key words
sprouting forest/regeneration/stand density/growth/Castanopsis fissa分类
农业科技引用本文复制引用
唐朝强,何维佳,苏沃榜,陈新华,吴东山,黎岳仲,陈虎,杨章旗..大叶栎萌芽林密度效应初步研究[J].广西林业科学,2026,55(3):309-313,5.基金项目
国家重点研发计划子课题(2022YFD2200202-4) （2022YFD2200202-4）
广西科技基地和人才专项(AD19254004) （AD19254004）
广西科技重大专项(桂科AA24263024) （桂科AA24263024）
