大通河（海东市段）获评全国第四批美丽河湖优秀案例

Core Insights - The Datu River in Qinghai has been recognized as one of the 47 exemplary cases in the fourth batch of beautiful rivers and lakes by the Ministry of Ecology and Environment, showcasing its water ecological environment governance and protection experience [1] Group 1: Environmental Management - The Datu River, a secondary tributary of the Yellow River, has faced biodiversity loss and soil erosion due to excessive development of small hydropower stations [1] - From 2021 to 2024, approximately 128 million yuan has been invested in ecological restoration, including the planting of over 100,000 wetland plants and the restoration of over 6,666 hectares of vegetation [1] - Nine small hydropower stations were dismantled, and seven were retained after rectification to ensure ecological base flow in the river basin [1] Group 2: Water Quality and Biodiversity - The ecological flow guarantee rate for the entire Datu River basin has reached over 90%, with 100% compliance in irrigation water quality for over 8,233 hectares of farmland and rural drinking water sources [2] - The natural shoreline rate has increased to 90.1%, and the populations of various bird species, including egrets and wild ducks, have significantly increased [2] - The water quality at the provincial boundary has remained stable at Class I or above for five consecutive years, and the vegetation coverage along the riverbanks has improved to 80% [2]