Effects of the establishment of marine protected areas on the Argentine Patagonian toothfish (Dissostichus eleginoides) fisheries
DOI:
https://doi.org/10.47193/mafis.3632023010906Keywords:
Effort distribution, management, impact, southwestern Atlantic Ocean, resourcesAbstract
At the beginning of the 1990s, the Argentine toothfish fishery gained prominence as a consequence of the rapid expansion of trawler and longliner fleets targeting this species. This fishing area covers the slope and shelf from 60° S to 37° S in the Argentine Exclusive Economic Zone. The main fishing ground is located in the southern area, bordering Namuncurá-Burdwood Bank II (NBBII) and Yaganes (Y) marine protected areas (MPA) established in 2018. In order to determine the impact generated by MPAs on effort distribution, 308 fishing trips carried out between 2010 and 2020, which reported 82% of the total fishing effort of Argentine toothfish declared in that period, were spatially analyzed. The Y-MPA sector categorized as National Marine Reserve and located to the south of Tierra del Fuego reported more than half (58%) of the toothfish catch recorded throughout that period, while the NBBII-MPA located to the east of Tierra del Fuego and south of De los Estados Island represented 17%. The NBBII-MPA sector established as a Strict National Marine Reserve and located to the south of the Burdwood Bank represented 25%. With the establishment of the MPAs, 7.11% of the international requirement has been met. At the moment, effects resulting from the creation of MPAs can only be speculated upon qualitatively, but should be quantified in the near future.
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Gonzalo H. Troccoli, Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo Nº 1, Escollera Norte, B7602HSA - Mar del Plata, Argentina
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Copyright (c) 2023 Patricia A. Martínez, Otto C. Wöhler, Gonzalo H. Troccoli, Emiliano J. Di Marco
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