Story perspectives
Ocean Warming Threatens Essential Phytoplankton, Study Warns
9/8/2025
49 8
1 of 1
Story summary
- Research shows Prochlorococcus, essential marine phytoplankton, may decline significantly due to rising ocean temperatures.
- A study in Nature Microbiology predicts a potential 50% population reduction in tropical oceans over 75 years.
- Prochlorococcus is vital for global photosynthesis, contributing about 20% of Earth's oxygen.
- Lead author François Ribalet warns that population declines threaten ecological balance and biodiversity.
- The study reveals heat-tolerant strains may not survive extreme temperatures, compounded by plastic pollution.
