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A marine nitrogen cycle fix?

Some of our suppositions about the marine nitrogen cycle may be wrong. An innovative analysis of nutrients at the ocean's surface reveals a feedback mechanism that might hold the whole cycle in balance.

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Figure 1: Coupling between marine nitrogen fixation and denitrification zones.


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Capone, D., Knapp, A. A marine nitrogen cycle fix?. Nature 445, 159–160 (2007).

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