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通过皆伐样地资料,利用立木的树种与树高、年龄与树高、径阶与树高的关系分析了长白山林区复层异龄针阔混交林群落中林木垂直结构的动态变化.认为群落中的目的树种必须有连续更新的能力,立木在各高度级中均有分布;群落中应有分布在不同高度级组成树种作为辅佐木或伴生种;长白山林区的阔叶红松林系统和暗针叶林系统的森林植物群落有较强的自我恢复和自我稳定机制;同一树种立木按径阶或龄级分布的峰值有随林层上升而增大的趋势.
Based on the data of clear cutting plot, the dynamic changes of vertical structure of forest trees in the mixed-stands of different ages and tree height in the mixed forest of Changbai Mountain were analyzed based on the relationship between tree species and tree height, age and tree height, diameter and tree height. It is considered that the objective tree species in the community must have the ability of continuous updating, and the stand trees are distributed at all the levels; the community should be distributed in the different height-level composition trees as accessory trees or accompanying species; the broad-leaved Korean pine forest system in Changbai Mountain And dark coniferous forest system of forest plant communities have a stronger self-recovery and self-stability mechanism; the same species of trees by diameter or age distribution peak value with the forest rise and the trend increases.