doc 关键词：森林健康；林分；比较研究；北京西山 [gap=14179]Key words: forest health; forest stand; comparative research; Beijing west-mountainous area ...
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mature forest stand 成熟林分
forest stand types 林分类型的
forest stand structure 林分生长结构
Forest Stand Model 林分模型
forest stand map 林相图
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Natural forest stand structure of Pinus tabulaeformis was studied.
对油松天然林的林分结构进行了研究。
An approach to simulate forest stand management based on Virtual forest Environment is put forward.
提出了基于虚拟森林环境的林分经营模拟方法。
So it's really the density of very large old trees that are draped in moss that is important at a forest stand level.
因此被苔藓所覆盖的非常古老的树木的密度确实对森林的林分水平很重要。
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