城市绿化树种的选择与配置——以兰州市西固工业区为例

THE SELECTION AND ARRANGEMENT OF THE TREESPECIES FOR URBAN GREENERY——A CASE STUDY ON XIGU INDUSTRIAL DISTRICT OF LANZHOU CITY

本文以地处中国西北干旱区的兰州市西固工业区为例，考察了该区绿化历史和现状，在此基础上，指出城市绿化树种的选择必须符合当地自然地理特征、城市发展状况、环境污染特征的原则，树种的配置应充分考虑绿化效益的发挥，同时兼顾经济可行性，并对兰州市西固工业区绿化提出了针对性的建议。

Taken Xigu industrial district of Lanzhou, a typical arid area in the northwest of China, as an example, and based on the history and present condition of her urban greenery, we pointed out in this paper that the selection the tree species must accord with the local natural geographical characteristics, urban development condition and environmental pollution and that the arrangement of the tree species should be combined with benefits and economical feasibility for greenery. Furthermore, some suggestions for the greenery in Xigu industrical district of Lanzhou have been made.