Risk maps for Antarctic krill under projected Southern Ocean acidification

S. Kawaguchi (), A. Ishida, R. King, B. Raymond, N. Waller, A. Constable, S. Nicol, M. Wakita and A. Ishimatsu
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S. Kawaguchi: Australian Antarctic Division
A. Ishida: Tokoha University
R. King: Australian Antarctic Division
B. Raymond: Australian Antarctic Division
N. Waller: Australian Antarctic Division
A. Constable: Australian Antarctic Division
S. Nicol: Institute for Antarctic and Marine Studies, University of Tasmania
M. Wakita: Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology
A. Ishimatsu: Institute for East China Sea Research, Nagasaki University

Nature Climate Change, 2013, vol. 3, issue 9, 843-847

Abstract: Little is known about the sensitivity of Antarctic krill, a key part of the food chain, to ocean acidification. A circumpolar risk map of krill hatching success is presented for projected ocean acidification levels. Important krill recruitment habitats are likely to become high-risk this century, with the possibility of collapse of the krill population by 2300 without mitigation of CO2 emissions.

Date: 2013
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DOI: 10.1038/nclimate1937

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