佳木斯市区主干道木本植物群落结构与数量特征

摘要

Through the way of typical sample investigation, the community structure and quantitative features of woody plant along main-road in Jiamusi urban area were investigated. The results showed that, the total amount of woody plants was fifty-five species, belonging to thirty-two genera and seventeen families. In the arborous layer, the important value for Popu-lus alba, Salix matsudana and Ulmus pumila was big, that of other kinds was less than ten; In the shrub layer, the impor-tant values for Sabina procumbens, Ribes mandshuricum and Syringa oblate was big. The tree height of woody plant is be-tween 6 to 12 m, DBH mainly between 14 to 26 cm.%通过典型抽样调查的方式,对佳木斯市区主干道园林绿化木本植物进行了群落调查和数量特征分析.结果表明,该区主干道应用的木本植物种类共55种,隶属17科32属.乔木层重要值较大的种类为银中杨(Populus alba)、旱柳(Salix matsudana)和白榆(Ulmus pumila),其他种类重要值均小于10;灌木层重要值较大的种类为铺地柏(Sabina procumbens)、东北茶藨(Ribes mandshuricum)和紫丁香(Syringa obla-ta).主干道上应用的木本植物树高多为6~12 m,胸径主要集中在14~26 cm.