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Global economic costs of invasions related to aquaculture: Addressing knowledge gaps and underestimated expenses

文献类型： 外文期刊

作者： Jiang, Xiaoming 1 ; Zheng, Peng 1 ; Soto, Ismael 2 ; Oficialdegui, Francisco J. 2 ; Gu, Dangen 3 ; Haubrock, Phillip J. 2 ; Sun, Zhiwei 1 ; Wang, Jun 1 ; Ren, Lei 1 ; Ji, Lei 7 ;

作者机构： 1.Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg China, Xian 710048, Peoples R China

2.Univ South Bohemia Ceske Budejovice, Fac Fisheries & Protect Waters, South Bohemian Res Ctr Aquaculture & Biodiver, Zatisi 728-2, Vodnany 389 25, Czech Republic

3.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Minist Agr & Rural Affairs, Key Lab Prevent & Control Aquat Invas Alien Specie, Guangzhou, Peoples R China

4.Gulf Univ Sci & Technol, Ctr Appl Math & Bioinformat CAMB, Hawally, Kuwait

5.Bournemouth Univ, Fac Sci & Technol, Dept Life & Environm Sci, Poole, Dorset, England

6.Donana Biol Stn CSIC, Dept Conservat Biol & Global Change, Seville 41092, Spain

7.Huaibei Normal Univ, Anhui Prov Key Lab Pollutant Sensit Mat & Environ, Huaibei 235000, Peoples R China

关键词： Biological invasion; Economic impacts; Introduction pathway; Invasive species; Global assessment

期刊名称：AQUACULTURE （ 影响因子：3.9； 五年影响因子：4.4 ）

ISSN： 0044-8486

年卷期： 2026 年 611 卷

页码：

收录情况： SCI

摘要： Aquaculture has become one of the fastest-growing sectors globally, partly due to the production of non-native aquatic species. This practice has facilitated the introduction of aquaculture-related species, both farmed species and other unintentionally introduced organisms via aquaculture pathway, beyond their native ranges. Some of these species have caused extensively ecological and economic consequences. In this study, we provide a comprehensive assessment of globally reported economic costs of non-native species specifically associated with aquaculture for final harvest for consumption, using the InvaCost database (v.4.1). We estimate that between 1970 and 2020, the total global reported economic costs of 34 aquaculture-related non-native species reached at least US $15.2 billion, with amphibians (US$ 6.0 billion, 39.8 %), fishes (US$ 5.0 billion, 33.2 %), and mollusks (US$ 3.9 billion, 25.5 %) as the most costly groups. Reported costs were disproportionately distributed across continents, with Europe bearing the highest reported losses (US$ 11.2 billion), followed by Asia (US $3.7 billion), while costs in South America, Oceania, North America, and Africa were all below US$ 0.15 billion. Our findings indicate a notable gap in reported economic losses, particularly in low and middle-income countries (e.g. China, Brazil) where aquaculture plays a crucial role, likely leading to underestimation of the actual costs. Authorities-stakeholders (US$ 6.3 billion) and fisheries (US$ 5.1 billion) were the major impacted sectors. A vast majority of reported costs were associated with direct damages (US$ 8.7 billion) and management (US$ 6.4 billion). Thus, our results highlight the need for addressing these challenges through improved data collection and sustainable management practices in aquaculture to mitigate the ecological and economic impacts of non-native species escaping from facilities.

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