The beach of Basse Benaie in Sainte-Marie-de-Ré invaded by algae.

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Dominique Chevillon

Red as far as the eye can see for more than a kilometer.

This is what Dominique Chevillon fell on this Saturday, when he arrived at the beach of Basse Benaie in Sainte-Marie-de-Ré, in Charente-Maritime.

This beach on the Ile de Ré was no longer yellow with sand but rather red with algae.

A sea leash (accumulation by the sea of ​​natural debris) two meters high, 200 meters wide and one kilometer long appeared.

“This is a rare phenomenon, explains the member of the Ré Nature Environnement association to

20 Minutes.

It can be explained by several factors.

The abnormal winds coming from the south to southwest of the last few days, the strong swell of the last week and finally these macro-algae Solier strings (a bright red or purple algae, in the form of tufts of 15 to 20 cm in length) which are developing more and more ”.

A beach on the Ile de Ré covered by seaweed.

- Dominique Chevillon

A beach on the Ile de Ré covered by seaweed.

- Dominique Chevillon

Since then, these algae have returned to the open sea and the Basse Benaie beach is once again quite yellow!

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Planet

Why the coastline sometimes turns purple and smells like rotten eggs

  • Environment

  • Poitou-Charentes

  • Algae

  • Planet

  • Beach

  • Nature

  • Sand

  • Island of Re