我国屋顶绿化发展综述.doc

摘要城市绿化是改善城市生态环境的重要内容,而目前城市绿化最大的难题是城区缺少土地,城市屋顶绿化正好解决了这个问题。在有限的空间提高绿地率,有利于改变空中景观, 体现现代大城市的风采,有利于城市各种功能的发挥,从而树立良好的城市形象。关键词: 屋顶绿化、城市空间、 ABSTRACT The city afforestation is improves the city ecological environment the important content, but the present city afforested the biggest difficult problem is the city lacks the land, the city roof afforests has happen to solved this the green areas coverage rate in the limited space, is advantageous in the change airborne landscape, manifests the modern big city the elegant demeanor, is advantageous in the city each kind of function display, thus sets up the good city image. Key words: Roof afforestation 、 Urban Space 目录 ....................................................................................................................... - 1- 课题背景(或引言) -1- ....................................................................................................................... -1- 屋顶绿化涵义- -1- 屋顶绿化类型-2- 屋顶绿化的作用-2- 屋顶绿化方式…. -2- ....................................................................................................................... -3- 现阶段推进屋顶绿化所面临的问题………………………………………………….-3 推进屋顶绿化的对策………………………………………………………………….-3 屋顶绿化的优点和发展前景………………………………………………………….-4 参考文献..................................................................................................................... -4- 致谢...