... 活地被物层 ground vegetation 优势树种 dominant tree species 亚优势树种 subdominant tree species ...
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亚优势树种 [林] subdominant tree species
The community floristics of dominant species in protection forests was very excessive. The difference of its component was not only rather great, its component with the same stand type was also different drastically.
防护林优势树种群落植物种类多,不同优势树种群落植物种类组成差异较大,相同林分类型植物种类组成也存在较大差异。
参考来源 - 北京山区防护林优势树种群落结构研究·2,447,543篇论文数据，部分数据来源于NoteExpress
林窗大小和华西箭竹盖度的综合作用对优势树种幼苗的结构和分布格局产生影响。
We concluded that the combined effect of gap size and bamboo cover would influence the density, structure and spatial pattern of the tree seedlings.
利用2003年河南省森林资源清查资料，建立不同优势树种生物量与蓄积量之间的回归方程，对河南省森林的碳储量进行了推算。
Based on the data of forest resources inventories of Henan Province in 2003, forest biomass carbon storage is estimated using regression equation between biomass of various tree species and volume.
研究南京地区灵谷寺、栖霞山和琅琊山的森林动态，结果表明，枫香、白栎、栓皮为优势树种的森林类型是灵谷寺区域相对稳定的森林类型；
The dynamics of the forest in Nanjing has been studied. It is found that the Spirit Valley forest will develop into Liquidambar-Quercus fabri-Q.
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