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The transboundary nature of the world’s exploited marine species
Palacios-Abrantes, J.; Reygondeau, G.; Wabnitz, C.C.C.; Cheung, W.W.L. (2020). The transboundary nature of the world’s exploited marine species. NPG Scientific Reports 10(1): 17668. https://dx.doi.org/10.1038/s41598-020-74644-2
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322
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| Auteurs | | Top |
- Palacios-Abrantes, J.
- Reygondeau, G.
- Wabnitz, C.C.C.
- Cheung, W.W.L.
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| Abstract |
Regulatory boundaries and species distributions often do not align. This is especially the case for marine species crossing multiple Exclusive Economic Zones (EEZs). Such movements represent a challenge for fisheries management, as policies tend to focus at the national level, yet international collaborations are needed to maximize long-term ecological, social and economic benefits of shared marine species. Here, we combined species distributions and the spatial delineation of EEZs at the global level to identify the number of commercially exploited marine species that are shared between neighboring nations. We found that 67% of the species analyzed are transboundary (n = 633). Between 2005 and 2014, fisheries targeting these species within global-EEZs caught on average 48 million tonnes per year, equivalent to an average of USD 77 billion in annual fishing revenue. For select countries, over 90% of their catch and economic benefits were attributable to a few shared resources. Our analysis suggests that catches from transboundary species are declining more than those from non-transboundary species. Our study has direct implications for managing fisheries targeting transboundary species, highlighting the need for strengthened effective and equitable international cooperation. |
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