Blue Carbon

Total annual blue carbon sink burial rates

Estuaries

100

Salt marshes

80

60

Shelf

Seagrasses

40

Mangroves

Deep sea

20

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0

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- Teragrams of carbon per year - -

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- Maximum burial rate - - -

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- Average burial rate

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Figure 19a–b: The capacity of ocean’s blue carbon sinks.

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- - Sources: Cebrian and Duarte, 1996; Duarte et al. , 2005. - - - -

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