Aude Leynaert

TL;DR: The net inputs of silicic acid (dissolved silica) to the world ocean have been revised to 6.1 � 2.0 teramoles of silicon per year (1 teramole = 1012 moles).

TL;DR: In this article, the global rate of biogenic silica production in the ocean was estimated to be between 200 and 280 × 1012 mol Si yr−1, which is 30-50% lower than several previous estimates, due to new data indicating lower values for both the relative contribution of diatoms to primary productivity and their Si/C ratios.

TL;DR: In this paper, the global rate of biogenic silica production in the ocean was estimated to be between 200 and 280 × 1012 mol Si yr−1, which is 30-50% lower than several previous estimates, due to new data indicating lower values for both the relative contribution of diatoms to primary productivity and their Si/C ratios.

TL;DR: In this article, a review of the Si cycle in the modern ocean starts with the mechanisms that control the uptake of silicic acid (Si(OH)4) by diatoms and the subsequent silicification processes, the regulatory mechanisms of which are uncoupled.

TL;DR: In this paper, the relative contribution of photochemical versus biological processes to Hg transformation mechanisms is compared with major biogeochemical parameters (i.e., hydrological and biological data).