Mixed responses of tropical Pacific fisheries and aquaculture to climate change
Date
2013
Authors
Bell, J.
Ganachaud, A.
Gehrke, P.
Griffiths, S.
Hobday, A.
Hoegh-Guldberg, O.
Johnson, J.
Le Borgne, R.
Lehodey, P.
Lough, J.
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Journal article
Citation
Nature Climate Change, 2013; 3(6):591-599
Statement of Responsibility
J.D. Bell, A. Ganachaud, P.C. Gehrke, S.P. Griffiths, A.J. Hobday, O. Hoegh-Guldberg, J.E. Johnson, R. Le Borgne, P. Lehodey, J.M. Lough, R.J. Matear, T.D. Pickering, M.S. Pratchett, A.S. Gupta, I. Senina and M. Waycott
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Abstract
Pacific Island countries have an extraordinary dependence on fisheries and aquaculture. Maintaining the benefits from the sector is a difficult task, now made more complex by climate change. Here we report how changes to the atmosphere-ocean are likely to affect the food webs, habitats and stocks underpinning fisheries and aquaculture across the region. We found winners and losers - tuna are expected to be more abundant in the east and freshwater aquaculture and fisheries are likely to be more productive. Conversely, coral reef fisheries could decrease by 20% by 2050 and coastal aquaculture may be less efficient. We demonstrate how the economic and social implications can be addressed within the sector - tuna and freshwater aquaculture can help support growing populations as coral reefs, coastal fisheries and mariculture decline. © 2013 Macmillan Publishers Limited. All rights reserved.
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© 2013 Macmillan Publishers Limited. All rights reserved.