Krause, Gesche, Filgueira, Ramón, Ahmed, Nesar, Alexander, Karen A., Asif, Furqan, Fanning, Lucia, Ferse, Sebastian C. A. ORCID: https://orcid.org/0000-0003-0930-5356, Fuchs, Nike, Grant, Jon, Guillen, Jordi, Hörterer, Christina, Johnson, Teresa R., Kaiser, Matthias, Kite‐Powell, Hauke L., Kreiss, Cornelia M., Lipton, Doug, Marin, Sandra L., Mikkelssen, Eirik, Nahuelhual, Laura, Stead, Selina M., van den Burg, Sander W. K. and Villasante, Sebastián (2025) The Local Turn in a Global Sea: Identifying Sustainability Trade‐Offs in Regionalized Marine Aquaculture Systems. Reviews in Aquaculture, 17 (4). DOI https://doi.org/10.1111/raq.70071.

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Abstract

Marine aquaculture, like the broader seafood industry, relies heavily on international trade and global supply chains for both production and sales. Recent global disruptions, including the COVID-19 pandemic, the Russian invasion of Ukraine, the conflicts in the Middle East, and trade tensions, have exposed the social and economic vulnerabilities inherent in a globalized production system. In response, these events have sparked growing interest in transitioning to localized and regional supply chain models. Calls to “buy national” and support domestic economies highlight this trend toward regionalization. This study explores the sustainability implications of regionalizing marine aquaculture by examining the four key segments of the supply chain. These are (1) upstream inputs and resources (2) aquaculture production (3) downstream added value-processing and (4) distribution–transportation. Potential benefits of regional production models include increased resilience to disruptions, lower transportation-related carbon emissions, and support for local economies. However, such models may also introduce trade-offs, including reduced production efficiency, supply and sales limitations, and implications for social, cultural, and governance structures. Our analysis reveals that the sustainability outcomes of regionalization are complex and context-dependent. It is influenced by the specific characteristics of existing supply chains and the regional contexts in which they operate. While regionalization may offer advantages in certain contexts, it does not guarantee improved sustainability. Thus, it is crucial to critically assess the assumption that regionalization inherently leads to improved sustainability outcomes. Proactive evaluation of these dynamics is essential to develop strategies that maximize benefits while addressing potential trade-offs.

Document Type:	Article
Programme Area:	PA1
Research affiliation:	Science Management > Office for Knowledge Exchange
Refereed:	Yes
Open Access Journal?:	No
DOI:	https://doi.org/10.1111/raq.70071
ISSN:	1753-5123
Date Deposited:	06 Aug 2025 11:07
Last Modified:	06 Aug 2025 11:07
URI:	http://cris.leibniz-zmt.de/id/eprint/5694

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