Performance evaluation and priority area identification for modern governance of water environment:A case study of Jiulong River watershed-Xiamen Bay
WU Hui-huang, FAN Bing-xiong, ZHANG Xue-ting, HUANG Yi-zhou, LI Yang-fan
Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Fujian Key Laboratory of Coastal Pollution Prevention and Control, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
Abstract：Jiulong River watershed-Xiamen Bay in Fujian Province was taken as an example to assess the governance performance of the water environment using a water governance evaluation indicators system. Evaluation results showed the performance of water environment governance in the Jiulong River watershed-Xiamen bay was increasing continuously during the three periods (2011~2018). However, there are some significant issues in the modernization of water environmental governance. The input control of land-based nitrogen and phosphorus pollution needs to be further strengthened. Ecological restoration of natural coastal zones need to be coordinated. The INVEST model and Kriging interpolation were combined to identify priority areas for governance using source-sink spatial analysis of pollutants. The analysis results showed that the main point and diffused pollution sources of nitrogen and phosphorus output were the sewage outlet of Xiamen Island and the southeast area of the drainage basin, respectively. The main sink area was the west sea area severely affected. Some modern governance strategies, such as scientific evaluation of source-sink spatial performance, socio-ecological system monitoring and management based on land-sea integration, and ecological engineering solutions adapted to nature, were put forward.
吴辉煌, 范冰雄, 张雪婷, 黄一洲, 李杨帆. 面向水环境现代化治理的绩效评估与优先区识别——以九龙江流域-厦门湾为例[J]. 中国环境科学, 2022, 42(5): 2471-2480.
WU Hui-huang, FAN Bing-xiong, ZHANG Xue-ting, HUANG Yi-zhou, LI Yang-fan. Performance evaluation and priority area identification for modern governance of water environment:A case study of Jiulong River watershed-Xiamen Bay. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(5): 2471-2480.
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