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。
2
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。
3
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.