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针对当下城市因发展需求过度无保护性“灰色”开发,城市边缘大量场地“抛荒”得不到利用,依据海绵城市“弹性”理念、生态学生态位理论,结合预留策略,引申出预留“海绵体”概念,将场地理解成能在不同时间段发挥不同功能,自我积蓄、涵养、扩散、链接生态能量的多功能生态循环体系海绵体,形成稳固整体生态体系,在未来城市扩张时补充城市缺失的自然生态位,平衡区域与未来城市生态位,减少未来城市扩张不利因素。
For the current urban development due to over-unprotected “gray ” development, a large number of sites on the edge of the city “abandoned ” can not be used, according to sponge city “elasticity ” theory, ecological niche theory, combined with the reservation Strategy, the concept of reservation “sponge” is extended to understand the venue as a multi-functional eco-circulatory system sponge capable of exerting different functions, self-accumulation, conservation, diffusion and linking of ecological energy at different time periods to form a solid overall ecology System to supplement the missing natural niche in cities in the future expansion of cities and to balance the niche of urban areas and future cities so as to reduce unfavorable factors for future urban expansion.