International Journal of Environmental Science and Development

Abstract—With the rapid expansion of urbanization, urban construction has produced a series of significant impacts on the original ecological and natural environment, including water environment pollution, biological habitat loss and atmospheric environment pollution, thus causing urban problems like rain, flood and haze events. As an important growth pole in urbanization, new cities is often at the edge of city and the area where urban and rural areas meet. It is the most ecological sensitive area in construction and the weakest in planning and management, which is of great significance for the sustainable development of ecological environment. At present, the ecological planning mainly focuses on large river basins and lacks research and practice based on the premise of new city development. How to establish a set of ecological planning methods suitable for the development and construction of new cities is of great significance in the current urban development and construction. By constructing the spatial planning method of ecological security pattern at the scale of the new city, this paper puts forward a complete technical route method that is suitable for the new city system from planning to construction evaluation, and applies this method in the new cities of Longtan, Nanjing. This study aims to actively guide the ecological protection and utilization in the construction of China's new cities at the current stage, rather than simply passive protection. Through the construction of ecological security pattern, it fills in the blank of the research on the large-scale ecological systematic planning and construction of new cities, which is of great significance for the sustainable development of China's current ecological civilization.

Index Terms—Ecological security pattern, sustainable development of new city, ecological planning.

The authors are with the Research Center Department of Urban Space Planning and Architectural Design co., LTD., Beijing, 100001, China (e-mail: kcx1024@163.com, vluqing@cfldcn.com, zhaoqian0922@foxmail.com, thezhangzhiheng@126.com, vnanhuihui@cfldcn.com).

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Cite: Caixia Kang, Qing Lu, Qian Zhao, Zhiheng Zhang, and Huihui Nan, "Establishment and Practice of Spatial Planning Method of New Cities Ecological Security Pattern — Take Longtan New City of Nanjing for Example," International Journal of Environmental Science and Development vol. 10, no. 1, pp. 9-13, 2019.