上海金山城区行道树现状调查及分析

通过调查金山区城区82条道路的23 853棵行道树,结果表明:目前金山区行道树树种比较单一,主要种植了11种行道树,常绿树与落叶树的数量之比为3∶1,其中香樟、悬铃木的比例高达88%;石化中心城区的道路绿化形式以一板二带式为主,三板四带式和四板五带式在新城区道路中应用较多。在充分了解行道树的基础上,分析了金山区行道树树种以及选择,提出城市行道树树种应该多样化和特色化,以达到春有花、夏有荫、秋有色、冬有阳的景观效果。

Present Situation Investigation and Analysis of Urban Street Trees in Jinshan District of Shanghai City

This paper investigated 23 853 street trees of 82 roads in Jinshan District of Shanghai City.Results showed that the species of street tree in Jinshan District were relatively less,11 kinds of trees were planted;the ratio of vevrgreen and deciduous trees' number was 3:1,most of it were camphor tree and oriental plane tree and their proportion was highly up to 88％.A plate two belts type was the first choice in center of urban for road greening form,three plates four belts and four plates five belts were applied more in new urban region of roads.On the basis of understanding selection principle of tree species,the diversity and characterization of street tree was put forward for improving the ornamental value in different seasons.