The source of the urban plants was multiplex, and most of them belonged to the Tropical-Asia distribution. 城市园林植物种的来源多样化，以热带亚洲分布类型最多。
In the same scale, the tree spatial distribution pattern is related to MMD.Different MMD leads to irregularly changed spatial distribution patterns. 在同一尺度下，油松林空间分布格局的判定与起测胸径的大小有关，起测胸径不同，分布类型也会有变化，并且这种变化没有规律性。
