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.
另一项研究则发现，该地区的优势溪岸树种美国西川云杉，在有鲑鱼溪流的地方，长得比没有鲑鱼溪流的地方还大三倍。
Not surprisingly, one study found that growth of sitka spruce, the dominant streamside tree in the area, was three times greater along salmon streams than along nonsalmon streams.
浙江仙居俞坑森林群落植物种类丰富，优势种不明显，群落中植物种类以常绿阔叶树种为主，落叶阔叶成分也有一定比例。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
浙江仙居俞坑森林群落植物种类丰富，优势种不明显，群落中植物种类以常绿阔叶树种为主，落叶阔叶成分也有一定比例。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
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