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Antarctic futures: an assessment of climate-driven changes in ecosystem structure, function, and service provisioning in the Southern Ocean

Rogers, AD, Frinault, BAV, Barnes, DKA, Bindoff, NL ORCID: 0000-0001-5662-9519, Downie, R, Ducklow, HW, Friedlaender, AS, Hart, T, Hill, SL, Hofmann, EE, Linse, K, McMahon, CR, Murphy, EJ, Pakhomov, EA, Reygondeau, G, Staniland, IJ, Wolf-Gladrow, DA and Wright, RM 2019 , 'Antarctic futures: an assessment of climate-driven changes in ecosystem structure, function, and service provisioning in the Southern Ocean' , Annual Review of Marine Science, vol. 12 , pp. 87-120 , doi: 10.1146/annurev-marine-010419-011028.

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Abstract

In this article, we analyze the impacts of climate change on Antarctic marine ecosystems. Observations demonstrate large-scale changes in the physical variables and circulation of the Southern Ocean driven by warming, stratospheric ozone depletion, and a positive Southern Annular Mode. Alterations in the physical environment are driving change through all levels of Antarctic marine food webs, which differ regionally. The distributions of key species, such as Antarctic krill, are also changing. Differential responses among predators reflect differences in species ecology. The impacts of climate change on Antarctic biodiversity will likely vary for different communities and depend on species range. Coastal communities and those of sub-Antarctic islands, especially range-restricted endemic communities, will likely suffer the greatest negative consequences of climate change. Simultaneously, ecosystem services in the Southern Ocean will likely increase. Such decoupling of ecosystem services and endemic species will require consideration in the management of human activities such as fishing in Antarctic marine ecosystems.

Item Type: Article
Authors/Creators:Rogers, AD and Frinault, BAV and Barnes, DKA and Bindoff, NL and Downie, R and Ducklow, HW and Friedlaender, AS and Hart, T and Hill, SL and Hofmann, EE and Linse, K and McMahon, CR and Murphy, EJ and Pakhomov, EA and Reygondeau, G and Staniland, IJ and Wolf-Gladrow, DA and Wright, RM
Keywords: climate change, Southern Ocean, biodiversity, impacts
Journal or Publication Title: Annual Review of Marine Science
Publisher: Annual Reviews
ISSN: 1941-0611
DOI / ID Number: 10.1146/annurev-marine-010419-011028
Copyright Information:

Crown Copyright 2020

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