Blue Carbon
91 000
Current ranges of total valuation estimates of blue carbon sinks per hectare
Mangroves
Figure 21: Although coastal ecosystems are already among the most valuable on the planet, the current estimates of the economic value for some of the oceans blue carbon sinks are surprisingly low. How should human perception of these important ecosystems change as we learn of the vast benefits of main- taining healthy coasts and oceans?
15 000
Seagrass
Coral reef
10 000
5 000
Deep sea
Salt marshes
Coastal plankton
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- Sources: Martinez et al. 2007; Gunawardean and Rowan, 2005; Spurgeon, 2004; Costanza, 1997. - - - - - - -
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