城市林业的兴起 城市林业(urban forestry)约在20世纪下半叶在西方兴起,是指要发展为城市服务的林业。主要特点是突破了过去长久以来以城市市区绿化、美化为目标的狭义的城市绿化,发展成为为城市生态系统服务的林业体系。因为西方快速现代城市化的后果是市区高空建筑密集,绿化空间狭小,其结果是只能在钢筋水泥建筑群中形成斑点、小块 The rise of urban forestry Urban forestry, which began to emerge in the west about the second half of the 20th century, is about developing forestry that serves the city. The main feature is to break through the narrow urban greening that has long been aimed at afforestation and beautification of urban areas and develop into a forestry system that serves the urban ecosystem. Because the consequences of rapid modern urbanization in the West are dense urban high-rise buildings, green space is limited, the result is only the formation of spots in the reinforced concrete buildings, small pieces