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Biogeochemistry

The depths of nitrogen cycling

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Breakdown of dissolved organic nitrogen in the ocean had been thought to be the preserve of microbes at the surface. The discovery that these microbes are not up to the task calls for a reassessment of the biogeochemistry of this nitrogen pool.

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Figure 1: Breaking down dissolved organic nitrogen (DON).

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Correspondence to Maren Voss or Susanna Hietanen.

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Voss, M., Hietanen, S. The depths of nitrogen cycling. Nature 493, 616–618 (2013). https://doi.org/10.1038/493616a

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