优良水质比例提升近30个百分点，地区生产总值翻一番多

Core Insights - The development of the Yangtze River Economic Belt has led to significant improvements in environmental quality and economic performance over the past decade, with a focus on ecological protection and green development. Economic Performance - The per capita disposable income of residents increased from 23,000 yuan to 44,000 yuan, a growth of 91% [1][3] - The regional GDP more than doubled, with its share of the national total rising from 42.2% to 47.3% [1][5] Environmental Improvements - The proportion of good water quality increased from 67% to 96.5% [5] - The water quality of the Yangtze River main stream has maintained a Class II standard for six consecutive years, with flagship species like the Yangtze River dolphin seeing population increases [4][6] Industrial Transformation - The Yangtze River Economic Belt is promoting green and low-carbon transformation of industries, with 41 national advanced manufacturing clusters and 30 strategic emerging industry clusters established, accounting for 51% and 45% of the national totals, respectively [7] - Traditional industries such as steel and petrochemicals are undergoing green transformations, with 24 national carbon peak pilot cities and parks established [7] Infrastructure Development - The construction of a comprehensive transportation corridor along the Yangtze River has accelerated, with the high-grade waterways increasing from 8,000 kilometers to 11,000 kilometers [3][8] - The cargo throughput of trunk ports grew by 71%, reaching 4.2 billion tons, maintaining the world's leading position in inland river transport [3] Cultural and Social Aspects - Efforts to protect and promote the cultural heritage of the Yangtze River are ongoing, with initiatives to enhance the cultural park and support the creative transformation of traditional culture [3]