构建人海和谐的生态环境——高质量发展海洋经济述评（下）

Core Concept - The concept of "Human-Sea Harmony" is central to modern marine governance and development, emphasizing the importance of marine ecological environment protection and the implementation of comprehensive management of key sea areas [1] Group 1: Marine Ecological Environment Protection - Strengthening marine ecological environment protection is strategically significant and essential for achieving high-quality development in the marine sector [2] - The transition from a marine power to a marine strong nation requires a balance between marine industry development and environmental protection, promoting efficient use of marine resources and fostering a low-carbon, circular economy [2][4] - The construction of a marine strong nation relies on ecological foundations, with a focus on transforming ecological assets into economic value through technological innovation and institutional reform [2] Group 2: Achievements in Marine Environment - In the previous year, the proportion of good water quality in nearshore waters reached 83.7%, an increase of 6.3 percentage points from 2020 [3] - Continuous improvement in water quality has been observed, with key monitored marine ecosystems maintaining a healthy status for four consecutive years [3] - Significant progress has been made in restoring typical ecosystems such as coastal wetlands and mangroves, with stable populations of rare species like the Chinese white dolphin [4] Group 3: Comprehensive Management of Key Sea Areas - The Bohai Sea, Yangtze River Estuary-Hangzhou Bay, and Pearl River Estuary are critical areas for comprehensive management, with a projected water quality improvement to 66.8% by 2024, an increase of 8.1 percentage points from 2020 [5] - The Ministry of Ecology and Environment is set to continue implementing comprehensive management actions in these key sea areas, focusing on nitrogen control in rivers flowing into the sea [6] Group 4: Marine Carbon Sink Accounting - Significant breakthroughs have been made in marine carbon sink accounting, transitioning from local pilot projects to nationwide promotion [6] - Marine carbon sinks are expected to play a crucial role in integrating ecological civilization with the blue economy, although challenges remain in monitoring accuracy and asset transformation [6]