Enhancing the marine carrying capacity (MCC) is of important value in hastening the transformation of the marine economy and realising the marine economy high-quality development (MEHD). We explore the synergistic mechanism between the MCC and MEHD and its comprehensive indicator system, measure the synergistic relationship between China’s MCC and MEHD from 2006 to 2020 using the improved TOPSIS model and the composite system synergism model, and explore the influencing factors and their interactions using geographic probes. The research findings are (1) that China’s MCC and MEHD show a growing trend during the study period, in which marine green development is at a higher level and the cultivation of marine knowledge improves most significantly, but the general value of the MEHD is relatively low. (2) In terms of the synergistic relationship, the degree of ordering of the two shows a sustained rising trend, and the degree of ordering of the marine economy development as a whole is higher than the MCC; the degree of synergy is increasing, but the general value of synergistic development is low. (3) The main factors driving the MCC and MEHD are the marine consumption capacity, the marine opening, and the marine industrial structure; the explanatory power of most factor interactions tends to decrease, and the explanatory power of the interactions among the development of land-based economy, the marine industry structure, and the marine economy increase, and the impacts of the different factor interactions on the synergistic development are all greater than the factors. The influence of different factors on synergistic development is greater than the influence of each factor alone.

培育并引导新质生产力赋能资源型地区高质量发展，是推进中国式现代化和国家治理现代化目标的内在要求和重要着力点。论文将新质生产力纳入资源型地区高质量发展的理论分析框架，系统阐述新质生产力赋能资源型地区转型和高质量发展的理论基础后，基于2010—2022年中国东北地区23个资源型城市的面板数据，采用基准回归模型、多重中介效应模型和空间杜宾模型实证检验了新质生产力赋能资源型地区高质量发展的机制与影响效应。研究表明：① 新质生产力对资源型地区高质量发展的促进效应显著，且这种效应表现出地域差异性、发展阶段差异性和结构异质性特征；② 新质生产力通过科技创新、产业结构转型升级及优化资源要素配置等多重渠道，为资源型地区高质量发展的实现提供了坚实基础，其中产业结构升级的中介效应最明显；③ 新质生产力对邻近区域资源型城市的高质量发展存在正向的空间溢出效应。这些发现不仅有助于在学理上厘清新质生产力与资源型地区高质量发展之间的理论关联，从资源型地区高质量发展视角丰富新质生产力的可持续评估框架，还有助于在实践层面指导地方政府制定差异化的发展策略，为协调新质生产力与推进中国式现代化和国家治理现代化目标任务提供了政策依据。