Silicon limitation of biogenic silica production in the Equatorial Pacific

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One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part I: model development and silicon and nitrogen cycle (2002, unknown): “Note: all the source and sink terms are counted twice for diatom growth in order to reflect both nitrogen and silicon uptake by diatoms, silicon to nitrogen ratio is 1:1 in diatoms (Brzezinski, 1985), the uptake silicon to nitrogen ratio by diatoms is also 1 (Leynaert et al., 2001).”
Effect of iron deficiency on diatom cell size and silicic acid uptake kinetics (2004, background): “Indeed, in the same areas, silicic acid limitation of diatom production was also pointed out (Franck et al. 2000; Leynaert et al. 2001).”
Pelagic functional group modeling: Progress, challenges and prospects (2006, unknown): “Uptake of Si(OH)4 by diatoms is similar to uptake of dissolved N and P by other phytoplankton groups in that it follows Michaelis–Menten kinetics, with KS values usually between 1 and 5 mM for natural diatom assemblages in a wide range of ocean habitats (Nelson and Treguer, 1992; Leynaert et al., 20”
Co-limitation of diatoms by iron and silicic acid in the equatorial Pacific (2011, methodology): “Direct experimental evidence for the Si limitation of the rate of diatom Si uptake has been obtained in the EEP between 1101W and 1801W longitude (Leynaert et al., 2001; Brzezinski et al., 2008).”