"Overall, diatoms are estimated to contribute around 40% of the total primary production in the oceans, and therefore around one fifth of all the photosynthesis on Earth, similar to all terrestrial rainforests combined" - The Evolution of Diatoms and their Biogeochemical Functions
"Overall, diatoms are estimated to contribute around 40% of the total primary production in the oceans, and therefore around one fifth of all the photosynthesis on Earth, similar to all terrestrial rainforests combined" - The Evolution of Diatoms and their Biogeochemical Functions