forest form map 林相图
Forest form-factor 林木形数
Forest form height 林分形状高
transformation of forest form 林相改造
stone forest form 石林形态
forest form in park 公园林相
Emergents, which do not form a continuous layer, are usually the giants of the forest, reaching heights of 35 to 70 m or more, and trunk sizes of over 2 m in diameter.
不形成连续层的新生植物通常是森林中的巨人,高度可达35至70米或更高,树干直径超过2米。
This makes Mexico a remarkable case study in what some consider as the best form of forest management.
这使墨西哥成为研究一些人眼中的森林管理最佳方式的非凡案例。
They help form the pioneer parasols for new patches of forest, and in their understory slower, denser trees can grow at a more leisurely pace.
它们早早在森林的新区域中顶上阳伞,让下层进驻速度较慢、密度较低的树种可以长得更为从容些。
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