Gross aquatic (almost all marine) primary productivity

Range 170 to 200 PgC/year
Organism Biosphere
Reference John A. Raven, Contributions of anoxygenic and oxygenic phototrophy and chemolithotrophy to carbon and oxygen fluxes in aquatic environments, Aquatic microbial ecology, Vol. 56: 177–192, 2009 doi: 10.3354/ame01315 p.177 right column
Primary Source del Giorgio PA, Williams PJleB (2005) The global significance of respiration in aquatic ecosystems: from single cells to the biosphere. In: del Giorgio PA, Williams PJleB (eds) Respiration in aquatic systems. Oxford University Press, Oxford, p 267–303
Method Estimates based on respiration rates, assuming that organic carbon inputs into rivers each year are equal to marine sedimentation of organic carbon.
Entered by Uri M
ID 106014