open image in gallery Algal blooms consume oxygen from underwater plants and block out sunlight. When the algae eventually dies, the oxygen in the water is consumed, making it impossible for ...

In the Phlegraean Fields, an Italian volcanic region, a microscopic algae called Cyanidioschyzon merolae thrives ... reservoirs of dissolved inorganic carbon (CO₂, HCO₃⁻) and oxygen (O₂) in different ...

Algae (or harmful algal) bloom – an uncontrolled growth of algae caused by too many nutrients, which leaves the water with dangerously low levels of oxygen. This can cause animals such as fish and ...