摘要:由于城市污染的异常严重,对扩大绿地面积的要求越来越高,而城市中用地的紧张又不可能满足这一要求,因此在有限地扩大绿地的同时,提高绿地上的生态效益成为改善城市生态环境的重要手段。本文提出从以下三个关键方面着手,即覆盖率、绿地在城市中设置位置和提高单位绿地面积上的生态效益,才能充分发挥出城市绿地的最大生态效益。关键词:城市绿地;环境生态;生态效益;人口Abstract: Because municipal pollution exceptionally serious, to expands the green space area the request to be getting higher and higher, but in the city the land intense is impossible to satisfy this request, therefore while is expanding the green space limitedly, enhances on the green space the ecological be