Changes to Flux of Other Climate Reactive Gases from the Ocean

As well as their important role in calcification, coccolithophores are also major producers of dimethyl sulphide (DMS) which may have a role in climate regulation via the production of cloud condensation nuclei [78]. A reduction in the occurrence of coccolithophore blooms that occur in large areas of the global oceans, often as large as 105 km2, could lead to a reduced flux of DMS from the oceans to the atmosphere and hence to further increases in global temperatures via cloud changes [78,79]. As the oceans, and organisms within them, are a major source of other atmosphere changing gases [80,81] changes to the biology could also alter their production and cycling.

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