长三角产业融合升级，海洋经济发展示范区建设稳步推进——东海区海洋经济动能澎湃

Core Viewpoint - The East China Sea region is experiencing significant growth in its marine economy, with a focus on high-quality development and innovation in marine resources and industries [3][4]. Economic Performance - In 2024, the marine GDP of the East China Sea region reached 45,992.9 billion yuan, marking a 7.1% increase year-on-year, accounting for 43.6% of the national marine GDP and 13.6% of the regional GDP [3]. - The value added from marine industries, marine scientific research and education, marine public management services, upstream and downstream related industries amounted to 18,247.6 billion yuan, 1,786.1 billion yuan, 7,523.4 billion yuan, 7,767 billion yuan, and 10,668.7 billion yuan respectively, with marine industries contributing 39.7% [3]. Sector Growth - The marine first, second, and third industries contributed 4.0%, 36.3%, and 59.7% to the marine GDP respectively, indicating an ongoing optimization of the marine industry structure with an increasing share of the tertiary sector [3]. - In 2024, the value added of 15 marine industries grew by 8.5%, with marine engineering construction, shipbuilding, marine pharmaceuticals, marine equipment manufacturing, and marine transportation leading the growth [4]. Regional Development - Each province and city in the East China Sea region achieved steady growth in marine economies, with Jiangsu, Shanghai, Zhejiang, and Fujian reporting marine GDPs of 10,046.2 billion yuan, 11,387 billion yuan, 12,012.4 billion yuan, and 12,547.3 billion yuan respectively, reflecting growth rates of 6%, 11.2%, 6.5%, and 6.1% [5]. - The marine GDP of the Yangtze River Delta region reached a historical high of 33,445.6 billion yuan, accounting for 11.9% of the regional GDP, driven by enhanced port collaboration and logistics integration [6]. Development Demonstration Zones - The East China Sea region has established 7 marine economic development demonstration zones, which have shown significant effects in innovation, project construction, and replicable models [7][9]. - Various demonstration zones are exploring differentiated development strategies, such as integrated logistics models, ecological protection, and private sector participation in marine projects [8][9].