太原市园林绿化树种应用现状与问题诊断

摘要

采用典型抽样法,对太原市园林绿化树种的树种组成、应用频度、数量和树种来源进行统计分析和研究.结果表明,太原市应用的园林绿化树种种类比较丰富,共有49科96属239种,太原市的主要树种为国槐、丝棉木、毛白杨、紫丁香、西府海棠、大叶黄杨、胶东卫矛等;太原市应用的乔灌比例为5.6:4.4,乔木、灌木、绿篱树种的常绿落叶比例分别为1.1:8.9,1.6:8.4,3.1:6.9,针叶阔叶比例分别为1.1:8.9,0.4:9.6,1.2:8.8;太原市应用的乡土树种有117种,占总数的49.0％.从不同角度指出了目前太原市城市园林植物应用中存在的问题,可为未来的发展方向提供指导.%Using the typical sampling method,the paper makes a statistical analysis on the composition of trees,application frequency,quantity and source of trees in Taiyuan.The result shows that there are lots of landscape trees species in Taiyuan.There are 239 species of woody plants belonging to 96 genera in 49 families.The main tree species in Taiyuan are Sophora japonica Linn.,Euonymus maackii,Populus tomentosa Carrière,Syringa oblata Lindl,Malus micromalus Makino,Buxus megistophylla Levl,Euonymus kiautschovicus etc.The present situation of the application of landscaping greening trees species for 5.6:4.4,evergreen leaves of tree,shrub and hedge for 1.1:8.9,1.6:8.4,3.1:6.9.Coniferous and broad-leaved for 1.1:8.9,0.4:9.6,1.2:8.8.There are 117 kinds of provincial tree species,which account for 49.0％ of the total.This paper points out the problems existing in the application of urban landscape plants at different angles,which will provide guidance for the future development.