The unsustainability of the Omega-3 supply from seafood in the Mediterranean under global change

IF 6 1区经济学 Q1 AGRICULTURAL ECONOMICS & POLICY

Food Policy Pub Date : 2025-10-01 DOI:10.1016/j.foodpol.2025.102972

Josep Lloret , Mar Vila-Belmonte , Angel Izquierdo , Joan San , Sebastian Biton-Porsmoguer

引用次数: 0

Abstract

This study, for the first time, examines the evolution of Omega-3 supply landed by local fisheries over time in the Mediterranean Sea, while considering trade-offs between species with varying temperature preferences. The province of Girona (northwestern Mediterranean, Spain) is used as our case study. Our results show that, between 2000 and 2023, there was a strong declining trend in the Omega-3 supplied by temperate and cold-water species (which have been negatively affected by overexploitation and climate change), and that this has not been compensated by the increase in the Omega-3 supplied by warm-water species (which have benefited from climate change). Considering the poor status of the Mediterranean stocks and the negative impacts of sea warming on Omega-3 production, our study provides empirical evidence that the self-sufficiency of Omega-3 supplied by seafood for future generations is far from assured.

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在全球气候变化的影响下，地中海海产品中Omega-3的供应不可持续

这项研究首次考察了地中海当地渔业的Omega-3供应随时间的演变，同时考虑了不同温度偏好的物种之间的权衡。赫罗纳省（西班牙地中海西北部）作为我们的案例研究。研究结果表明，在2000年至2023年间，温带和冷水物种（受到过度开发和气候变化的负面影响）提供的Omega-3呈强烈下降趋势，而温暖水域物种（受益于气候变化）提供的Omega-3并没有增加。考虑到地中海种群状况不佳以及海洋变暖对Omega-3生产的负面影响，我们的研究提供了经验证据，表明海鲜为后代提供的Omega-3自给自足远未得到保证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food Policy 管理科学-农业经济与政策

CiteScore

11.40

自引率

4.60%

发文量

128

审稿时长

62 days

期刊介绍： Food Policy is a multidisciplinary journal publishing original research and novel evidence on issues in the formulation, implementation, and evaluation of policies for the food sector in developing, transition, and advanced economies. Our main focus is on the economic and social aspect of food policy, and we prioritize empirical studies informing international food policy debates. Provided that articles make a clear and explicit contribution to food policy debates of international interest, we consider papers from any of the social sciences. Papers from other disciplines (e.g., law) will be considered only if they provide a key policy contribution, and are written in a style which is accessible to a social science readership.