English: This diagram is an alternative to that shown here, and should be compared with it. Its significance is that here nitrate is nitrified in both the photic and aphotic zones rather than only produced at depth. This suggests that the ratio between new and regenerated production (the so-called f-ratio) does not straightforwardly allow one to infer the flux of organic nitrogen from the photic zone to the aphotic zone.
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This diagram is an alternative to [[Image:F_ratio_diagram.gif|this diagram]], and should be compared with it. Its significance is that here nitrate is nitrified in both the photic and aphotic zones rather than only produced at depth. This suggests that
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