Core Viewpoint - The article highlights the significant improvements in water quality and ecological development in Jintan District, particularly around Changdang Lake, through a comprehensive water management strategy and ecological initiatives [2] Group 1: Water Quality Improvement - Changdang Lake is an important ecological barrier in the Taihu Basin, with Jintan District focusing on a "1+3" water management model that emphasizes source control, ecological restoration, and collaborative governance [2] - By 2025, the average water quality of Changdang Lake is expected to reach Class III for the first time, marking an improvement of two categories compared to 2021, with total phosphorus levels reduced by 60.6%, achieving the best performance since the start of the 14th Five-Year Plan [2] Group 2: Ecological and Economic Development - Jintan District leverages the unique advantages of Changdang Lake, including its scenic beauty, local cuisine, and historical significance, to promote the development of a national wetland park, Huaguo Science City, and recreational parks as part of its "one city, two parks" planning [2] - The ecological benefits are continuously being realized, leading to a thriving cultural and tourism industry in the region [2] Group 3: Future Plans - The district plans to further deepen the "1+3" water management model and aims to establish itself as a national ecological civilization demonstration zone, an innovative practice base for the "Two Mountains" theory, and an experimental area for the "Ecological Island" concept around Changdang Lake [2] - The goal is to ensure that clean water and green shores become a valuable asset for the sustainable development of Jintan [2]