How reduced seawater pH and increased carbon dioxide might affect the prominent nitrogen fixer Trichodesmium in phosphorus-limited oceans is poorly understood. This study used phosphate-limited chemostat experiments to show that Trichodesmium may fix less nitrogen for a given amount of phosphorus at low pH. Thus, marine productivity is likely to decline in a future, more acidic ocean.
- Futing Zhang
- Zuozhu Wen
- Dalin Shi