大连碧流河水库入选全国美丽河湖优秀案例

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]