Core Viewpoint - The article discusses the comprehensive governance model of the Chitian Reservoir watershed in Baoting, Hainan, aiming to improve water quality and create a model for co-governance and shared benefits [1][2]. Group 1: Environmental Improvement Initiatives - The Baoting County has implemented a series of measures to enhance the ecological environment, including precision fertilization in mango orchards, which has improved soil fertility and reduced costs for farmers [2]. - The water quality at the intake point of the Chitian Reservoir has improved from Class III to Class II since the pilot project began in August 2021, indicating significant progress in water quality management [2]. Group 2: Pollution Control and Ecological Restoration - The governance strategy emphasizes systematic approaches to pollution control, focusing on both source control and ecological restoration, as highlighted by the transformation of the Tiangong River into a clean and beautiful artificial wetland [3]. - The establishment of 12 automatic monitoring stations along major rivers feeding into the reservoir allows for real-time water quality monitoring, enhancing the protection of the watershed environment [3].