Toxic Cambrian oceans

Graham Shields-Zhou
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Graham Shields-Zhou: University College London, London WC1E 6BT, UK. g.shields@ucl.ac.uk

Nature, 2011, vol. 469, issue 7328, 42-43

Abstract: Isotopic evidence from carbon and sulphur points to the spread of anoxia and toxic sulphide as the chief culprits in at least one of a series of crises for marine ecosystems during the nascent stages of early animal evolution. See Letter p.80

Date: 2011
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DOI: 10.1038/469042a

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