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In 2019, the Chinese government issued a policy document 14 requiring all parts of the country to compile Territorial Space Planning (TSP). The provincial level has always been a ‘blind spot’ in China's GSSP. Two knowledge gaps in particular can be highlighted.įirst, there are few studies at the provincial scale in countries like China. However, in many countries there is less experience with green infrastructure planning at the provincial level. Research on local green infrastructure, rainwater systems, and city green corridors has generated important findings 9, 10, 11, 13, 13. Some cities have already made some explorations in the identification of city ecological corridors. In recent years, China has promoted the construction of a so-called ecological civilization, and the focus of GSSP has expanded from urban areas to city areas. However, green spaces in urban areas have always been key research topics.
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In China, the Green Space System Planning (GSSP) has become an important type of Special Plan, providing an essential basis for ecological protection and green space construction 7, 8. However, related studies have shown that human activities in the process of urbanization have had a substantial negative impact on the green space ecosystem, especially the acceleration in the fragmentation of the ecological landscape 4, 5, 6. Finally, based on the identification results, suggestions for Fujian's ecological networks and nodes are put forward.Īs an essential part of the terrestrial ecosystem, green space plays an important role in promoting human health, urban construction, and in regional ecology 1, 2, 3. The regional status of the identified ecological networks and nodes were basically in line with their characteristics, proving the value of the planning methods. The results showed that the blue corridors identified by DEM data were consistent with the hydrological status quo. According to the green corridors and blue corridors protection, we identified the ecological networks and nodes by the network analysis method. In addition, the green corridors were determined based on the land use data. Based on the DEM elevation data, the article identified blue corridors without hydrological data. This paper took China's Fujian province as an example. And the scale of green corridor construction mainly focused on central urban areas.
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However, the study of green corridors usually ignored hydrological data, which widespread absence especially in the large area scale. Besides, the research on the role of green space in the water environment has also attracted much attention. China's Green Space System Planning (GSSP) research has gradually expanded from central urban areas to municipal and provincial scales in recent years.