【Key words】 poplar plantation； growth pattern； biomass； crown structure； leaf efficiency；
基于6个网页-相关网页
Crown structure determining physiognomy of trees and influencing the harvest of light energy affects tree primary productivity.
树冠结构决定着林木外部形态和对光能的截获能力,并直接影响林木个体的初级生产力。
参考来源 - 林分密度对山桃树冠结构的影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The appearance of commercial high-resolution satellite data supplies new resources for people to study crown structure of a tree by using remote sensing technique.
商用高空间分辨率卫星数据的出现，为人们利用遥感技术研究树冠结构提供了新的数据源。
The studied items include the relationship between planting density and crown structure, planting density and growth characteristics, planting density and biomass etc.
内容包括造林密度与树冠结构、造林密度与林木生长特性、造林密度与生物量等关系的研究。
And there are obvious difference of stemflow among different species, the main factors that affect the stemflow are crown structure, diameter breast-high and crown width.
不同树种间的树干茎流量差异极显著，影响树干茎流量的主要树体特征因子是冠型结构、胸径和平均冠幅。
应用推荐