营口市景观干道植物种类及群落配置分析

Analysis on plant species and community arrangement of main landscape road in Yingkou City

以营口市鲅鱼圈区贯通南北的重要景观干道——平安大街为例,通过全线调查结合典型性取样分析,探讨了营口景观干道植物配置特征。结果表明:营口市景观干道绿化植物种类共有66种,隶属于31科、49属。乔木与灌木比为1︰0.39,常绿树种与落叶树种比为1︰7.25。植物种类组成丰富,乡土、色叶树种的选择具有显著的特征。行道树绿带配置主要采用乔木+绿篱模纹配置模式,路侧绿带采用自然式植物配置,分别为大乔木+中小乔木+灌木+草坪/地被、乔木+灌木+草坪/地被、乔木+草坪/地被、灌木+草坪/地被4种配置模式。建议行道树带适当缩短每种灌木种植长度,增加灌木的种类;路侧绿带2层、3层和4层植物配置交错分布;适当增加能够在冬季展现树姿和色彩的园林植物种类。

A case study of Ping'an street which is an important landscape road from north to south in Bayuquan district of Yingkou City was conducted.The characteristics of plant arrangement of main landscape road were discussed through a comprehensive investigation and typical sampling analysis.There are 66 species of greening plants in Yingkou,which belong to 31 families and 49 genera.The specie ratio of tree to shrub was 1:0.39,and the specie ratio of evergreen tree to deciduous tree was 1:7.25.The composition of plant species was rich,and the selection of native and color-leaved tree species had remarkable characteristics.The tree+hedgerow mode was adopted as the main trees species arrangement for greenbelt.The four natural plant arrangement modes was applied for greenbelt of roadside,including large trees+small trees+shrubs+grass/ground cover,trees+shrubs+grass/ground cover,trees+grass/ground cover,shrubs+grass/ground cover.It is suggested to shorten the planting length of each shrub and add the species of the shrub.The layers 2,3 and 4 of plant arrangement for greenbelt of road side are interlaced.It is necessary to add the plant species that can show tree appearance and color in winter.