哈尔滨市主干道路绿化树种组成及结构分析

对哈尔滨市主干道路绿化树种组成、行道树胸径、树高级别分布及垂直结构进行了调查,结果表明:在51条主干道路89块样地中共有行道树23种,以银中杨、旱柳为主;行道树以胸径<25cm、树高在4.6～10.7m之间的乔木居多;行道树的垂直结构单一,分车带的垂直结构十分丰富。同时也分析了各区道路绿化结构的差异及结构优良路段的特色,探讨了哈尔滨市道路绿化树种组成及配置结构方面存在的问题,并提出了改善建议。

Analyzing on Tree Species Composition and Structure of Greening Main Roads in Harbin

In this paper,the vertical structure,diameter at breast height,tree composition and height distribution of the street trees in 89 plots of 51 main roach in Harbin was researched with field study method.The result showed that there were 23 street trees in Harbin main streets,among those trees Salix matsudana and Popunusalba berolinensis have more individuals.DBH of most street trees were not more than 25cm.Height of most street tree were from 4.6metere to 10.7meters,the vertical structure of street tree was simple,and the vertical structure of central greening belt was complex,It also include the problems and improvements for street greening in Harbin.