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Redfield's evolving legacy

The ratio of nitrogen to phosphorus in organic matter is close to that in seawater, a relationship maintained through a set of biological feedbacks. The rapid delivery of nutrients from human activities may test the efficacy of these processes.

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Figure 1: The relationship between nitrate and phosphate in the ocean.
Figure 2: Feedbacks governing the marine N cycle.


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Correspondence to Nicolas Gruber.

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Gruber, N., Deutsch, C. Redfield's evolving legacy. Nature Geosci 7, 853–855 (2014).

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