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The digital economy, as a key driver of China’s economic development and industrial structure transformation, provides a strong impetus for the integrated development of the marine industry. Building on relevant research both domestically and internationally, this study employs programmatic grounded theory coding to analyze the effective case data published on authoritative official websites. We construct a theoretical model and architectural design for the integration of digital economy and marine industry, elucidating the crucial roles of digital infrastructure, digital collaborative service platforms, and digital application scenarios in this integration. We propose the following four integration pathways: digital resource collaborative optimization based on the ‘sea–ship–shore–breeding–tourism–management’ framework, industry chain optimization led by the seed industry, industrial cluster format optimization based on ecosystems, and land–sea linkage layout optimization driven by application scenarios. These pathways provide scientific theoretical guidance and practical recommendations for the integrated development of China’s marine industry in the digital economy era.
Wang et al. (Sat,) studied this question.