一、研究路线林木不仅在天然林中,而且在人工林中都不是作为独立的个体生活的。它们总是一起生活在或稀或密的林分中。在林分中共同生活的林木,相邻个体之间的作用,几乎使所有的环境因子都受到强烈的影响。就是说,依靠群体生活的林木,不论生理上形态上都经常受群体的集合样式、集合强度及集合性质的束缚。 First, the research route Forest not only in natural forests, but also in the plantations are not as independent individuals living. They always live together in thin or dense stands. The function of trees living together in the forest stands between the neighboring individuals and almost all environmental factors are strongly influenced. That is to say, the trees that depend on group life, regardless of their physical form, are often bound by the collective style of collection, the intensity of collection and the nature of collection.