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Abstract. The element silicon (Si) is required for the growth of silicified organisms in marine environments, such as di-atoms. These organisms consume vast amounts of Si to-gether with N, P, and C, connecting the biogeochemical cy-cles of these elements. Thus, understanding the Si cycle in the ocean is critical for understanding wider issues ...
26 Αυγ 2019 · Inclusion of sponge spicules and radiolarians increases the global ocean biological sink of silicon by 28%, with 95% of that increase attributed to sponges, according to examination of sediments...
The remains of silicifiers, isolated from marine sediments, are effective archives of marine Si cycling at different depths within the water column, yielding key information about DSi supply and utilization by marine algae.
18 Φεβ 2021 · This review highlights the significant progress that has been made in the past decade toward improving our quantitative and qualitative understanding of the sources, sinks, and internal fluxes of the marine Si cycle.
For nearly 20 years, the marine silica budget compiled by Tréguer et al. (1995), with its exploration of reservoirs, processes, sources, and sinks in the silica cycle, has provided context and information fundamental to study of the silica cycle.
15 Δεκ 2000 · This 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.
The global silicon (Si) cycle is of great interest due to the role that silicate weathering has played in maintaining climatic stability on geological time scales (Siever, 1991; Frings et al., 2016; Conley et al., 2017) and because Si is an important nutrient for many organisms in marine and freshwater ecosystems.
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