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Expanding ocean food production under climate change
Free, C.M.; Cabral, R.B.; Froehlich, H.E.; Battista, W.; Ojea, E.; O’Reilly, E.; Palardy, J.E.; García Molinos, J.; Siegel, K.J.; Arnason, R.; Juinio-Meñez, M.A.; Fabricius, K.; Turley, C.; Gaines, S.D. (2022). Expanding ocean food production under climate change. Nature (Lond.) 605(7910): 490-496. https://dx.doi.org/10.1038/s41586-022-04674-5
In: Nature: International Weekly Journal of Science. Nature Publishing Group: London. ISSN 0028-0836; e-ISSN 1476-4687, meer
|  |
| Auteurs | | Top |
- Free, C.M.
- Cabral, R.B.
- Froehlich, H.E.
- Battista, W.
- Ojea, E.
|
- O’Reilly, E.
- Palardy, J.E.
- García Molinos, J.
- Siegel, K.J.
- Arnason, R.
|
- Juinio-Meñez, M.A.
- Fabricius, K.
- Turley, C.
- Gaines, S.D.
|
| Abstract |
As the human population and demand for food grow, the ocean will be called on to provide increasing amounts of seafood. Although fisheries reforms and advances in offshore aquaculture (hereafter ‘mariculture’) could increase production, the true future of seafood depends on human responses to climate change. Here we investigated whether coordinated reforms in fisheries and mariculture could increase seafood production per capita under climate change. We find that climate-adaptive fisheries reforms will be necessary but insufficient to maintain global seafood production per capita, even with aggressive reductions in greenhouse-gas emissions. However, the potential for sustainable mariculture to increase seafood per capita is vast and could increase seafood production per capita under all but the most severe emissions scenario. These increases are contingent on fisheries reforms, continued advances in feed technology and the establishment of effective mariculture governance and best practices. Furthermore, dramatically curbing emissions is essential for reducing inequities, increasing reform efficacy and mitigating risks unaccounted for in our analysis. Although climate change will challenge the ocean’s ability to meet growing food demands, the ocean could produce more food than it does currently through swift and ambitious action to reduce emissions, reform capture fisheries and expand sustainable mariculture operations. |
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