苏州市平江区行道树应用现状及分析

The application analysis of the street trees in Pingjiang District,Suzhou

以苏州市平江区的行道树为研究对象,对其种类、数量、生长状况以及绿化和种植方式展开调查和分析。结果表明平江区行道树主要由9种木本植物组成,共计6 091株,其中香樟和二球悬铃木数量最多,分别占总数的43.47%和29.88%。二球悬铃木的胸径和冠幅均明显大于其他树种。平江区主、次干道行道树树种丰富,配置多样;而支干路和快速路的行道树树种单一。平江区主要道路行道树的绿化形式多为多板多带式,而绿化方式则多为树带式和树池式组合。

The street trees as an important part of city road landscape and green system, plays an important role in improving the city＇ s ecological environment. Taking street tree of Pingjiang District, Suzhou City as the research object, we investigated their kind, quantity, growth situation as well as the greening and planting mode. The results showed that the street trees of Pingjiang District was mainly composed of 9 species of woody plants, a total of 6 091 strains ,with Cinnamo- mum camphora （ L. ） Presl. and Platanus acerifolia Willd. accounting for 43.47% and 29.88%. DBH and crown width of Platanu~ acerifolia Willd. were significantly higher than those of other species. The main road of Pingjiang District, en- riched in the street trees species. The street greening was multiplate belt while the green way featured tree-belt type and tree-pool typecombination.