结合庆阳市立地条件与能源化工基地建设，运用层次分析法构建了庆阳市行道树综合评价体系，进行定性与定量相结合评价。评价结果表明，在庆阳市行道树的选择中以生态效益较好的法国梧桐、臭椿、银杏、国槐、桑树等为主，以常绿针叶树种侧柏、刺柏等为辅。

To facilitate energy & chemical industry base and to consider the local environment of Qingyang city， a set of standards for tree species selection of Qingyang city is established by using AHP. The methods of qualitative and quantitative mixed be adopted in the realevaluation so as to acquire a more objective and correct result. The evaluation result shows that the broad leaf (Platanus orientalis、 Catalpa bungei、 Ailanthus altissima、 Ginkgo、 Sophora japonica、 Morus alba) and needle leaf (Chinese arborvitae、 Taiwan juniper) construction style is suggested in the paper.

S687.1