邯郸市主城区主要行道树的多样性调查分析

Investigation and Analysis of Street Tree in Main Urban Area of Handan City

本项研究采用抽样调查方法对邯郸市主城区20条主要道路的行道树进行的详细调查,分析邯郸市主城区行道树的物种组成、胸径,探讨多样性指数和行道树绿化发展趋势。结果表明:①邯郸市主城区行道树共有18科25属28种,其中乔木20种,隶属19属14科;行道树种类最多的科是蔷薇科,悬铃木(Platanus hispanica)、国槐(Sophora japonica linn)、紫薇(Lagerstroemia indica)、毛白杨(Populus tomentosa Carr)、栾树(Koelreuteria paniclata Laxm)、银杏(Ginkgo biloba)、臭椿(Ailanthus altissima)、美国白蜡(Fraxinus americana)是邯郸市主城区行道树的骨干树种。②针对邯郸市行道树多样性的不足,提出了邯郸市行道树绿化的发展趋势。

On the basis of the investigation of the street trees of 20 main streets in the main urban area of Handan city,the composition,average DBH as well as species diversity of the street trees were analyzed.The results were as follows： ①There were trees,belonging to 29 species and 25 genera and 18 families,there are 20 species,belonging to 19 genera species and 14 families.the genera of most species is Roseceae.The key specises in roadside trees of Handan district were Platanus hispanica,Sophorajaponica,Wisteriasisis,Populus tomentosa Carr,Koelreuteria paniclata Laxm,Ginkgobiloba,Ailanthusaltissima,Fraxinus chinensis pennsylvanica.②Development trend of Handan street trees was proposed according characteristics of greening in Handan.