[q-bio.OT] Phytoplankton play a central role in marine ecosystems and the global carbon cycle, with different groups contributing differently to ocean biogeochemical processes.
![Global maps of predicted pigment concentrations (left column) and pigment-to-chlorophyll-a ratios (right column) for May 2010 generated using the Random Forest model. Panels (a–f) show fucoxanthin, peridinin and zeaxanthin.-- [q-bio.OT]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/beyond.png?resize=1200%2C717&ssl=1)
[q-bio.OT] Phytoplankton play a central role in marine ecosystems and the global carbon cycle, with different groups contributing differently to ocean biogeochemical processes.