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

-

-

-

-

-

-

-

-

-

-

- -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

- -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

- -

-

-

-

-

-

-

- - -

-

- - - -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

- -

- -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

- -

-

0

-

-

-

-

- -

-

-

-

-

-

-

-

-

-

-

-

-

- Ecosystem service value per hectare US dollars - - - - - -

-

-

-

-

-

- -

-

-

-

- -

- -

-

- -

-

-

-

-

-

-

-

- -

-

-

-

-

-

-

- - -

- Ranges of different values found in literature - - - - -

-

-

-

-

-

-

-

-

-

-

-

-

-

- Sources: Martinez et al. 2007; Gunawardean and Rowan, 2005; Spurgeon, 2004; Costanza, 1997. - - - - - - -

-

-

-

-

-

-

-

-

-

-

- -

-

-

-

-

- - -

-

-

-

-

-

-

-

52

Made with