WebFeb 5, 2010 · Iron scarcity limits ~1/3 of the ocean's primary production (Moore et al., 2013), altering the biogeochemical cycles of macroelements (Whitfield, 2001; Sunda, 2010), and ultimately the ... WebJan 11, 2016 · Introduction. Globally, soil organic matter (SOM) contained greater than three-fold more carbon (C) than the atmosphere and terrestrial vegetation [].The biogeochemical cycles of organic C and iron (Fe) were strongly interlinked [2,3].Lalonde et al. [] suggested that approximately 21.5% of the organic carbon in soil or sediment was directly bound to …

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