沈阳城市绿化植物综合评价分级选择

城市绿地系统是城市生态环境建设的核心内容。园林植物种类选择与配置，决定城市绿地系统生态效益与综合功能能否充分、有效发挥。对城市植物生态适应性及生态功能性相结合的综合评价，是合理应用选择城市园林植物的科学依据。通过专家咨询评价的方法，从生态适应能力、绿化生态效益、美化效果、抗病虫害性、抗污染性、经济效益等方面，全面系统地建立了沈阳市绿化树种生态功能与生态适应性评价应用的综合指标体系，对沈阳常见的230种绿化树种进行了评判与分级。评价结果表明：综合效能为一级植物有60种；二级植物为104种：三级植物50种：四级植物16种。

Comprehensive Evaluation, Selection and Graduation of the Trees for Urban Landscaping in Shenyang

The urban green system is the core of urban eco-environmental construction.Its ecological effect and integral functions depend mainly on the selection and layout of the land-scape plants.The comprehensive evaluation to the adaptability and ecological effect of the landscape plants is the scientific basis for their rational application and selection.With the con-sultation and evaluation of the experts of land-scape architecture,this paper established com-pletely and systematically the comprehensive evaluation and application index system of eco-function and eco-adaptability of the trees for landscaping in Shenyang.This index system involves many different aspects such as:eco-logical adaptability,ecological effects,ornamen-tal effect,resistance to plant diseases and pests,anti-pollution and economic benefits,and230species of ornamental trees and shrubs frequently seen in Shenyang were eva-luated and graded.The results show that the number of first class trees is60,the second is104,and the third is50,all of them are grad-ed according to their integral performance.