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Mixed responses of tropical Pacific fisheries and aquaculture to climate change

journal contribution
posted on 2023-05-19, 08:47 authored by Bell, JD, Ganachaud, A, Gehrke, PC, Griffiths, SP, Hobday, AJ, Hoegh-Guldberg, O, Johnson, JE, Le Borgne, R, Lehodey, P, Lough, JM, Matear, R, Pickering, TD, Pratchett, MS, Sen Gupta, A, Senina, I, Waycott, M
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.

History

Publication title

Nature Climate Change

Issue

6

Pagination

591-599

ISSN

1758-678X

Department/School

Institute for Marine and Antarctic Studies

Publisher

Nature Publishing Group

Place of publication

United Kingdom

Rights statement

© 2013 Macmillan Publishers Limited

Repository Status

  • Restricted

Socio-economic Objectives

Effects of climate change on the South Pacific (excl. Australia and New Zealand) (excl. social impacts)

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