城市绿地系统建设的生态对策——以长春市为例

绿色空间是所有城市实现可持续发展的物质载体和市民接触自然的主要场所。几乎所有城市不同程度地存在着绿地被挤占、破坏、污染严重等各种问题。以长春市为例，提出了大城市进行绿地系统建设的总量控制、构建经色空间网络体系等生态对策，并针对大城市内部用地紧张的矛盾，探讨了市区内部的绿化用地潜力。

Ecological Measures about Green Land System Construction in Metropolis --A Case Study in Changchun City

The urban green space is the substantial carrier of sustainable development for a city. It is also the main field for citizen to contact with nature. The green land has many problems such as being impropriated, destroyed, polluted in almost all cities at different degrees. Taking Changchun as an example, this paper put forward such ecological counter measure for green land construction as total quantity controlling and establishment the green spatial network constituting. In order to solve the problem of scarcity of land, the potential of land used for forestation in city is discussed.