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用传统林分结构因子配合角尺度、混交度、大小比3个参数来分析北京八达岭林场灌木林空间结构特征。结果表明:1)主要灌木种类有荆条(Verbenaceae)、山杏(prunus armniacaL)、小叶鼠李(Rhamnus parvifolia)、绣线菊(Spiraea salicifoliaL.)、胡枝子(Lespedeza bicolorTurcz.);2)灌丛冠幅体积随海拔升高而减小,阳坡灌丛冠幅体积大于阴坡;3)灌木种混交度与灌木丛数在整个林分中所占的比例有关,比例增大混交度减弱;4)灌丛高度大小比数排序为:绣线菊>胡枝子>小叶鼠李,灌木种的灌丛大小比数主要与自身的生物学特性有关。
The spatial structure characteristics of shrubbery in Badaling Forest Farm in Beijing were analyzed by using the traditional stand structure factor combined with the angle scale, the degree of mixing, the size ratio. The main shrub species are Verbenaceae, Prunus armniaca L, Rhamnus parvifolia, Spiraea salicifolia L., Lespedeza bicolor Turcz. 2) The crown volume decreased with altitude, and the crown volume of sunny slope shrubs was larger than that of the shady slope. 3) The shrub species mixed with the shrubs in the whole forest, 4) The order of the shrub height size ratio is: Spiraea> Lespedeza> Bushi, shrub size and shrub size mainly related to their biological characteristics.