城市道路绿化,是城市园林绿地系统的重要组成部分,也是城市文明的重要标志之一。街道绿化搞好了,不仅美化街景,而且还有净化空气、减弱噪音、减尘、改善小气候、防风、防火、保护路面、组织城市交通、维护交通等作用,同时也会有一定的经济效益。研究城市街道绿化的形式和植物配置,指导园林绿化具有十分重要作用。 Urban road greening is an important part of urban green space system and one of the important symbols of urban civilization. Street beautification does not only beautify streetscapes but also purifies the air, reduces noise, reduces dust, improves microclimates, windbreaks, fire prevention, pavements, organizes urban traffic, and maintains traffic. At the same time, it will also have certain economic benefits. It is very important to study the form and plant configuration of urban greening and to guide the landscape.