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Marine chemistry

Marine mercury breakdown

The neurotoxin methylmercury accumulates in marine biota and their predators. An analysis of seabird egg shells suggests that sea-ice cover reduces the breakdown of this highly toxic compound in sea water.

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Figure 1: The Arctic marine mercury cycle with (right) and without (left) sea ice.

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Correspondence to Joel D. Blum.

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Blum, J. Marine mercury breakdown. Nature Geosci 4, 139–140 (2011). https://doi.org/10.1038/ngeo1093

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