城市生态系统的超负荷运行造成了严峻的生态与资源问题，并威胁国家粮食与能源安全。未来城市的承载能力能否支撑其居民的生存与发展需求，将成为城市可持续发展的关键。项目以提高城市生态承载力为目标，依托生态足迹和GIS空间分析等方法，对既有住区绿色生产性更新的策略和方法展开研究。首先以前期大量资料积累为基础，在生产性城市理论研究和生产性案例数据库的基础上，建构既有住区生产性更新基础理论；之后分别探讨资源生产空间与住区既有环境的重构策略、住区社会关系与生活方式重塑策略以及生产性基础设施重构策略，形成住区生产性更新策略体系；在理论和策略研究的基础上，对样本住区进行生产性更新实证应用，探讨流程与方法。项目通过主动挖掘住区生产潜力，打破了生态足迹理论中的“空间互斥性”假说，引导既有住区从单纯的资源消耗地变为生产地，实现住区 “生产-生活-生态” 三位一体发展，为城市生态转型和既有住区更新提供新的思路。

The overloading of urban ecosystems causes severe problems in ecology and resource, and threatens national food and energy security. Whether the carrying capacity of the future city can support the survival and developmental needs of its residents becomes the key to the sustainable development of the city. This project aims at improving the carrying capacity of urban ecology, relying on the methods such as ecological footprint and GIS spatial analysis, research on the renewal strategies and methods of green productivity in existing residential areas. Based on a large amount of previous data accumulation, and based on the theoretical study of productive cities and the case database of productivity, the basic theory of existing production renewal is constructed. And then the reconstruction strategy of the resource production space and the existing residential environment, the reconstruction strategy of social relations and lifestyle, and the reconstruction strategy of productive infrastructure are discussed respectively, the renewal strategy system of residential productivity is formed; On the basis of theoretical and strategic research, the application of productive renewal are conducted in the sample residential area, and the processes and methods are discussed. Through tapping the productive potential of the residential area, the "space mutual exclusion" hypothesis in the ecological footprint theory is refuted, the residential area are guided to a productive one from a resource-consumptive one, and the trinity developmental mode of "production - life - ecological" in the residential area is achieved, thus providing new ideas for the ecological transformation and the renewal of existing residential in urban areas.