Abstract:

By using ecologic method,the features and eec-environmental roles of street trees in Guangzhou City are studied,The main problems of street trees in the city are decreasing species,simple structure,lower ecological quality and environmental roles,and uneven distribution.To make Guangzhou City green by planting trees with a high standard,some suggestions are put forward in this paper;1)increasing the quantity and species of street trees,and raising the coverage ratio and plant productivity;2)setting up a rational vertical structure of street trees;3)designing various forms of street planting for the major avenues;4)selecting suitable species of street trees.

Key words: Guangzhou, Metropolis, Street planting