Fraction of total primary productivity on earth that is from anoxygenic photosynthesis

Value 0.05 %
Organism Biosphere
Reference John A. Raven Functional evolution of photochemical energy transformations in oxygen-producing organisms, Functional Plant Biology, 2009, 36, 505–515 p.505 left column bottom paragraph
Primary Source Raven JA (2009) Contributions of anoxygenic and oxygenic phototrophy and chemolithotrophy to carbon and oxygen fluxes in aquatic environments. Aquatic Microbial Ecology, in press.
Comments Anoxygenic photosynthesis only accounts for ~0.1% of aquatic primary productivity, BNID 105039, and 0.05% of total primary productivity, on Earth today (Raven 2009).
Entered by Uri M
ID 105040