Taking the urban ecology as the core, to construct an ecological green system is both a strategic direction for modem urban development and a tendency to achieve vir- tuous urban developing cycle.

• 以城市生态为核心，建立完善的城市生态园林绿地系统体系是现代化城市发展的战略方向，也是城市发展达到良性循环的必然趋势。