Genotypic and phenotypic variation in diatom silicification under paleo-oceanographic conditions.

Abstract excerpt

Diatoms have co-evolved with the silicon cycle and are largely responsible for reducing surface concentrations of silicate in the ocean to their present levels. We quantify silicification in marine diatoms at a range of high silicate concentrations representative of environments found over their geological history. The species examined include Stephanopyxis turris, an ancient centric species found throughout the...

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