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The elements of marine life

Today, the ratio of carbon to nitrogen and phosphorus in marine organic matter is relatively constant. But this ratio probably varied during the Earth's history as a consequence of changes in the phytoplankton community and ocean oxygen levels.

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Figure 1: Trends in C:N:P ratios through time.

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Correspondence to Noah J. Planavsky.

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Planavsky, N. The elements of marine life. Nature Geosci 7, 855–856 (2014). https://doi.org/10.1038/ngeo2307

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