中文摘要：

随着中国进入快速的城市化阶段,园博会已从小片绿地的单一改造转变为影响城市绿色网络的关键因素。在城市绿色网络视角下,园博会作为一种景观媒介,从选址、展期规划到展后利用的各个阶段都在影响城市的区域发展。通过对国内外园博会完善绿色网络的城市经验进行总结,探索当园博会选址于城市核心区、郊区和城区边缘等区域时,作为城市绿色网络构建媒介的展期和展后景观转变利用途径。

英文摘要：

With China＇s rapid urbanization, garden expo has transformed from a seperate small piece of green space into a key factor in urban green networks. In the perspective of urban green network, the garden expo as a medium will af ect urban regional development from the stages of location selection, exhibition planning and after-use of exhibition. Through summarizing the city experiences of domestic and international garden expos how to consummate green network, this paper explores the approach to exhibition＇s transformation and utilization when the garden expo situated in core area, suburban area and urban fringe of the city.