Articles sur Algal blooms

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Olympic authorities were quick to deny that the green pool posed a risk to divers’ health, but that actually depends on why the water changed colour. Reuters/Antonio Bronic

Going for … green? Why Rio’s swimming pools are changing colour

The possible culprits are: a sudden algae bloom; a change in pool alkalinity; or a chemical reaction in the water. How do these cause a change in the colour of the water?
Detail from a satellite photo of Lake Okeechobee’s algae bloom and the St. Lucie canal into which water was released. Rising water levels from heavy winter rains had water managers worried that water would breach the dike. NASA

Why toxic algae blooms like Florida’s are so dangerous to people and wildlife

Toxic algae blooms like the intense one now fouling Florida’s waterways harm wildlife and people in various ways. They're also on the rise.

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