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<p>Fisheries and aquaculture are essential to global food security, economic growth and environmental sustainability, with rising seafood demand driven by population growth. The circular economy (CE) offers a transformative approach to enhancing sustainability and resilience in these sectors by promoting waste reduction, resource efficiency and environmental regeneration, moving beyond the traditional "take, make, dispose" model. This review examines the application of CE in aquaculture and fisheries, focusing on integrating byproducts into value chains, implementing closed-loop production systems and optimizing processes to minimize waste and resource use. The review identifies promising practices such as fish waste valorization for bioenergy and fertilizer, recirculating aquaculture systems (RAS), and integrated multi-trophic aquaculture (IMTA) as leading innovations. However, major gaps persist in scaling these practices, particularly in developing countries, due to technological limitations, regulatory barriers and inconsistent economic incentives. Economic, technological, and policy challenges that hinder broader CE adoption are critically discussed, alongside potential pathways for advancement. The findings suggest that targeted policy support, investment in scalable technologies and the development of circular business models are crucial to mainstreaming CE principles in the sector. By informing policymakers, industry stakeholders and researchers, this review underscores how circular economy strategies can drive sustainable transformation in global aquaculture and fisheries.</p>

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The Circular Economy in Aquaculture and Fisheries: Enhancing Sustainability and Food Security

  • 期刊论文

  • 发表日期：

    2025年6月20日

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  • Samuel Ayeh Osei,
  • Christian Larbi Ayisi,
  • Grace Afumwaa Boamah,
  • Gertrude Dzifa Mensah

摘要

Fisheries and aquaculture are essential to global food security, economic growth and environmental sustainability, with rising seafood demand driven by population growth. The circular economy (CE) offers a transformative approach to enhancing sustainability and resilience in these sectors by promoting waste reduction, resource efficiency and environmental regeneration, moving beyond the traditional "take, make, dispose" model. This review examines the application of CE in aquaculture and fisheries, focusing on integrating byproducts into value chains, implementing closed-loop production systems and optimizing processes to minimize waste and resource use. The review identifies promising practices such as fish waste valorization for bioenergy and fertilizer, recirculating aquaculture systems (RAS), and integrated multi-trophic aquaculture (IMTA) as leading innovations. However, major gaps persist in scaling these practices, particularly in developing countries, due to technological limitations, regulatory barriers and inconsistent economic incentives. Economic, technological, and policy challenges that hinder broader CE adoption are critically discussed, alongside potential pathways for advancement. The findings suggest that targeted policy support, investment in scalable technologies and the development of circular business models are crucial to mainstreaming CE principles in the sector. By informing policymakers, industry stakeholders and researchers, this review underscores how circular economy strategies can drive sustainable transformation in global aquaculture and fisheries.