湖南大通湖：小水草长成生态大产业

Core Viewpoint - The article highlights the ecological challenges faced by Dongting Lake in Hunan Province, emphasizing the need for innovative governance to restore water quality and biodiversity [1] Group 1: Environmental Issues - Dongting Lake, the largest inland freshwater lake in Hunan, has experienced a rapid decline in water quality due to excessive fertilization, baiting, overfishing, and agricultural non-point source pollution [1] - Key pollutants such as total phosphorus and total nitrogen have exceeded safe levels, indicating significant environmental degradation [1] Group 2: Ecological Governance - In recent years, the Dongting Lake area has implemented a comprehensive management strategy focusing on "retirement of aquaculture, pollution interception, dredging, greening, and revitalizing water" [1] - The region has developed a unique "water plants + ecology" system to enhance ecological governance capabilities [1]