摘要
本文研究了不同林分密度对华北落叶松生长的影响,结果发现林分密度与胸径生长呈负相关关系而与树高生长呈正相关关系;林分密度对冠幅生长有抑制作用;基于对胸径和树高的影响,林分密度与高径比呈负相关关系。
The effect of different densities on the growth of Larix principis-rupprechtii.Was studied.The result showed that density was negatively correlated with the growth of DBH,but positively correlated with tree height growth.Density had inhibitory effect on the growth of tree crown.Based the effect on height and DBH observed,stand density was negatively correlated with the ratio of height to diameter.
出处
《陕西林业科技》
2015年第5期24-26,共3页
Shaanxi Forest Science and Technology
关键词
林分密度
华北落叶松
生长
Stand density
growth
Larix principis-rupprechtii
