The concept of the blue economy represents a crucial framework for sustainable development, highlighting the economic potential of ocean resources while promoting environmental management. This special issue on "Blue Economy: Opportunities and challenges in South East Asia" explores the multifaceted opportunities and challenges associated with utilizing the potential of blue economy in South East Asia.

The opportunities span various sectors including fisheries, aquaculture, renewable energy, algal and microbial biotechnology, tourism and maritime transport, all contributing significantly to economic growth, job creation and food security. However, realizing these benefits entails navigating through complex challenges. Environmental sustainability emerges as a critical concern, with issues like marine pollution, biofouling, habitat degradation, and resource overexploitation posing substantial threats. Furthermore, climate change impacts such as ocean acidification and sea level rise necessitate adaptive strategies within the blue economy framework. Addressing socioeconomic challenges, including equitable resource access and technology transfer underscores the importance of inclusive and participatory and collaborative governance frameworks. This special issue emphasizes the need for integrated approaches that harmonize economic development with ecological resilience and social equity, thereby promoting a sustainable blue economy that preserves ocean health and secures livelihoods for present and future generations.

Contributors are invited to address:
- Sustainable Fisheries and Aquaculture: Innovations and practices for responsible resource management and food security.
- Renewable Marine Energy: Technological advancements and environmental impacts of ocean-based energy sources.
- Biotechnology: Utilization of algal and microbial resources for industrial applications.
- Tourism and Maritime Transport: Strategies for sustainable development in tourism and shipping.
- Environmental Sustainability: Solutions to marine pollution and biofouling, habitat degradation, and resource overexploitation.
- Climate Change Adaptation: Approaches to address ocean acidification, sea level rise, and their impacts on marine ecosystems.

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Frontiers in Marine Science

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