Group 1 - The article highlights the transformation and ecological restoration of the Yellow River, emphasizing the coordinated efforts across its upper, middle, and lower reaches for sustainable development and protection [1][40][41] - The sediment concentration in the Yellow River has significantly decreased from an average of 27.5 kg per cubic meter to 5.76 kg by 2024, indicating improved water quality and quantity [4][7] - The Yellow River has achieved continuous flow for 26 years and maintained a stable water quality at Class II for three consecutive years, with over 90% of the river basin classified as good water quality [7][40] Group 2 - The article discusses the challenges of managing water and sediment in the Yellow River, highlighting the need for integrated management strategies that address both water conservation and sediment control [9][10] - In the upper reaches, efforts focus on ecological protection and reducing sediment input, with initiatives like planting trees and constructing barriers to stabilize sand [12][19] - The middle reaches are concentrating on soil and water conservation to enhance water quality, particularly through the treatment of industrial wastewater and improving sewage management [25][27] Group 3 - The lower reaches of the Yellow River are undergoing comprehensive management to restore ecological balance, with significant improvements in previously degraded areas, such as the transformation of barren land into productive orchards [29][31] - The article emphasizes the importance of wetland protection at the river's delta, which plays a crucial role in maintaining ecological health and biodiversity [33][35] - The overall management of the Yellow River has shifted from a fragmented approach to a unified strategy, ensuring that all regions work together for the river's protection and sustainable use [37][40]