【摘要】 绿地是配合环境创造自然条件,适合种植乔木、灌木和草本植物而形成一定范围的绿化地面或区域。城市绿地系统是生态城市一个重要的生态环境指标,其效益是综合的、多元化的、多方位的,不仅为生态城市创造出较高的生态效益,产生社会效益,而且也具有经济效益。更多还原

【Abstract】 Greenbelt is nature condition created by matching environment ,in which arbor, shrub and herbage are suitable planted ,by doing so ,a certain afforested area or region are formed . City greenbelt is various green land of city area. The effects of greenbelt system are synthetically, multicell and various. It can bring in not only highly ecological effects and social effects, but also economic effects.更多还原