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<p>Against the backdrop of global efforts to achieve sustainable development and establish maritime powers, technological innovation is vital for advancing the marine economy and safeguarding ecosystems. This research establishes a comprehensive framework that includes the marine economy, technology, and environment. This study employs the entropy weighting technique in conjunction with a coupling coordination model to analyze the spatiotemporal development of China’s coastal provinces between 2006 and 2021. A threshold regression model is used to identify key constraints limiting coordinated development. The results show that while the marine economy, technology, and environmental subsystems have steadily improved, significant regional disparities persist, with southern regions outperforming their eastern and northern counterparts by 2021. Regression analysis confirms that each subsystem significantly enhances overall coupling coordination, although their effects vary by region. Threshold regression reveals that: (1) the beneficial effect of the marine economy on system coordination becomes more pronounced once marine technology levels surpass 0.0280. (2) exceeding a marine environmental threshold of 0.4125 markedly boosts the marginal contributions of both the economy and technology; (3) the impact of marine technology shifts from negative to positive once the marine economy exceeds 0.2381; and (4) with successive marine technology thresholds of 0.0280 and 0.1187, the contribution of the marine environment increases significantly. This study recommends tailored policies corresponding to regional development stages to promote balanced progress among the marine economy, technology, and environment, ultimately harmonizing economic growth with ecological protection. This study provides important perspectives on the sustainable management of marine resources worldwide.</p>

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Analysis of the synergistic effects in China's marine economy-technology-environment system

  • 期刊论文

  • 发表日期：

    2025年4月29日

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  • Mengqi Ding,
  • Yuchen Wang,
  • Qi Yue,
  • Yanming Wang

摘要

Against the backdrop of global efforts to achieve sustainable development and establish maritime powers, technological innovation is vital for advancing the marine economy and safeguarding ecosystems. This research establishes a comprehensive framework that includes the marine economy, technology, and environment. This study employs the entropy weighting technique in conjunction with a coupling coordination model to analyze the spatiotemporal development of China’s coastal provinces between 2006 and 2021. A threshold regression model is used to identify key constraints limiting coordinated development. The results show that while the marine economy, technology, and environmental subsystems have steadily improved, significant regional disparities persist, with southern regions outperforming their eastern and northern counterparts by 2021. Regression analysis confirms that each subsystem significantly enhances overall coupling coordination, although their effects vary by region. Threshold regression reveals that: (1) the beneficial effect of the marine economy on system coordination becomes more pronounced once marine technology levels surpass 0.0280. (2) exceeding a marine environmental threshold of 0.4125 markedly boosts the marginal contributions of both the economy and technology; (3) the impact of marine technology shifts from negative to positive once the marine economy exceeds 0.2381; and (4) with successive marine technology thresholds of 0.0280 and 0.1187, the contribution of the marine environment increases significantly. This study recommends tailored policies corresponding to regional development stages to promote balanced progress among the marine economy, technology, and environment, ultimately harmonizing economic growth with ecological protection. This study provides important perspectives on the sustainable management of marine resources worldwide.