Core Viewpoint - The successful inclusion of the Songtao East Canal in the fourth batch of 47 excellent cases of beautiful rivers and lakes by the Ministry of Ecology and Environment highlights its significance as a vital water supply source for multiple cities and counties in Hainan Province [1] Group 1: Infrastructure and Functionality - The Songtao East Canal, as a key channel of the Songtao irrigation area, serves as a lifeline for water supply in Lingao, Chengmai, and Haikou [1] - The canal spans a total length of 41.57 kilometers and flows through four towns: Fushan, Jinjian, Dafeng, and Laocheng [1] - It primarily supports urban and rural water supply as well as agricultural irrigation tasks [1] Group 2: Environmental Impact and Water Quality - Since 2022, the water quality in the monitored section of the canal has maintained a 100% excellent rate [1] - The renovated canal saves approximately 113 million cubic meters of water annually, benefiting 340,000 acres of farmland and contributing to increased agricultural production and farmer income [1] - The water quality of the centralized drinking water source, derived from the canal, remains stable and meets standards [1]

Core Viewpoint - The Ministry of Ecology and Environment has announced the inclusion of Dalian Bilui River Reservoir in the fourth batch of 47 exemplary beautiful rivers and lakes, highlighting its significance in the water ecological environment sector of Beautiful China [1] Group 1: Environmental Significance - Beautiful rivers and lakes serve as a concentrated embodiment and important carrier of Beautiful China in the water ecological environment field [1] - Dalian Bilui River Reservoir, located at the junction of Dalian Zhuanghe City, Pulandian District, and Yingkou Gai County, has a maximum capacity of 9.34 billion cubic meters and a shoreline of 245.2 kilometers in the first protection zone [1] Group 2: Water Quality and Biodiversity - The water quality of the reservoir has stabilized at Class II surface water standards, with the entire watershed maintaining good water quality [1] - Over the past three years, the eutrophication index has remained below 50, indicating a stable medium nutrient level [1] - The natural shoreline ratio within the protection area is 100%, and the biodiversity indicators for aquatic plants and animals are in excellent condition [1] Group 3: Wildlife Restoration - The reservoir has seen the return of the "king of freshwater fish," the fragrant fish, which had been absent for nearly 40 years [1] - The number of rare migratory birds, such as egrets, herons, and gray cranes, has been increasing annually, with swans also returning to nest [1]

Core Viewpoint - The Ministry of Ecology and Environment has released the fourth batch of excellent cases for beautiful rivers and lakes, as well as a list of beautiful bays, highlighting significant environmental achievements in Hainan Province [2] Group 1: Beautiful Rivers and Lakes - The fourth batch includes 47 excellent cases of beautiful rivers and lakes, showcasing best practices and experiences in water ecological environment protection and construction [2] - The inclusion of the Chitian Reservoir in Sanya as a beautiful river reflects the commitment to enhancing water ecological environments [2] Group 2: Beautiful Bays - Twelve excellent cases of beautiful bays have been recognized, demonstrating effective pollution prevention, ecological protection, and shoreline environment improvement through a "one bay, one policy" approach [2] - Sanya's Yalong Bay and Wanning's Shimei-Riyue Bay have been included in the list of beautiful bays, serving as models for harmonious coexistence between humans and nature [2]

Core Viewpoint - The Ministry of Ecology and Environment of China announced the selection of the fourth batch of 47 beautiful rivers and lakes, along with 12 beautiful bay exemplary cases, highlighting the ongoing efforts to improve water quality and promote ecological civilization [1][2]. Group 1: Beautiful Rivers and Lakes - A total of 141 beautiful river exemplary cases have been published, with the latest batch consisting of 47 cases that showcase unique characteristics and strengths in water management [1]. - Notable examples include the Kongmu River in Jiangxi and the Weishui River in Hunan, which excel in "treating poor water" through comprehensive governance [1]. - The Shiyan River in Shenzhen and the Shankou Reservoir in Wenzhou are highlighted for their focus on "protecting good water" by ensuring the safety of drinking water sources [1]. - The Min River in Fujian and the Chishui River in Sichuan demonstrate effective pathways for transforming ecological advantages into economic benefits, supporting high-quality development [1]. - Significant achievements in watershed system governance are seen in the Yangtze River (Shanghai section) and the Yongjiang River in Guangxi, promoting collaborative governance across various river segments [1]. Group 2: Beautiful Bays - The Ministry has recognized 43 beautiful bay exemplary cases, with the latest batch including 12 cases that are distinctive and noteworthy [2]. - Xiamen has made strides in ecological civilization construction, with two bays, Dazhong and Xihai, becoming exemplary cases this year, achieving full development as beautiful bays [2]. - The Ministry plans to promote these exemplary cases to enhance environmental quality in rivers and bays, thereby improving public satisfaction and sense of security regarding ecological conditions [2].