THE IMPACT OF WATER RELATED ECO-PLANNING ON ECOLOGICAL EFFECTIVENESS IN MEGACITY BEIJING, CHINA

Abstract. Calls have been made for water and ecological planning and design to tackle the ongoing environmental degradation, yet the gaps are not clear where the implemented water (blue) and ecological (green) infrastructure might help to improve the ecosystem services. We selected mega-city Beijing, the pioneer of the “Ecological Priority” strategy, as the study area. We evaluated the conformance and performance of Beijing's water-related ecological planning implementation on ecological effectiveness from 2000 to 2015. The morphological spatial pattern analysis (MSPA) method was used to extract the blue-green ecological source areas to conform with blue-green plannings. Support, regulation and supply ecosystem services were simulated to integrate ecological effectiveness and its temporal-spatial dynamics. The results show a gradual increase in the proportion of spatial conformance, which remained higher than that of spatial low conformance. The trend of the performance of the implementation based on the analysis of ecosystem services decreased. Our results will help inform upcoming actions related to blue-green planning and management in mega-cities.