城市森林,即在市域范围内以改善城市生态环境,满足社会发展需求,促进人与自然和谐为目的,以森林和树木为主体及周围环境所构成的生态系统。城市森林是城市生态系统的重要组成部分,它在城市生态系统中起着动态调节作用,主要是通过森林的生态效益、经济效益和社会效益来实现。正确认识和评价城市森林的价值与效益,量化其功能,不仅是管理好城市森林的基础,能够更好地为 Urban forest, that is, within the city limits to improve the urban ecological environment, to meet the needs of social development, and promote the harmony between man and nature as the main forest and trees as the main body and the environment surrounding the ecosystem. Urban forest is an important part of urban ecosystem. It plays a dynamic regulatory role in urban ecosystem, mainly through the ecological, economic and social benefits of the forest. Correctly understanding and assessing the value and benefits of urban forests and quantifying their functions are not only the basis for managing urban forests,