US EditionA monster seaweed bloom is taking over the Atlantic
5 Articles
5 Articles
A brown stain visible in the Atlantic Ocean, between Africa and America, has been presented on social networks and in various international media as a recent and potentially devastating phenomenon. However, scientific evidence shows that it is a pelagic sargazo, a real and growing environmental problem, but not new, and whose visual representation in some publications is not accurate.Since 2011, researchers have documented the so-called Great At…
A brown line that at first sight looks like a stain, crosses the Atlantic Ocean from Africa to the Caribbean. But it is not about oil or a spot accident. What satellites have captured for more than a decade is the growing trail of millions of tons of sargazo, a brown macroalgae that, when multiplied without control, forms what scientists already call the Great Belt of Sargazo of the Atlantic. It is not something new although it has increased its…
A monster seaweed bloom is taking over the Atlantic
Sargassum has escaped the Sargasso Sea and exploded across the Atlantic, forming the massive Great Atlantic Sargassum Belt. Fueled by nutrient runoff, Amazon outflows, and climate events, these blooms now reshape ecosystems, economies, and coastlines on a staggering scale.
From space, the Atlantic Ocean shows an image that does not go unnoticed. An extensive and dense brown mass forms a sort of corridor that connects the West African coast with the Gulf of Mexico. It is the so-called Great Belt of Sargazo, a natural phenomenon composed of a floating macroalga that serves as a refuge for fish and other marine organisms. Satellite images have allowed its growth to continue, which over the years has become increasing…
For more than a decade, satellite images have shown an extensive brown strip that crosses the tropical Atlantic, from West Africa to the Caribbean and the Gulf of Mexico. It is not a matter of pollution, but of sargazo, a floating macroalgae that is grouped in unprecedented volumes.This structure, known as the Great Belt of Sargazo of the Atlantic, can extend for thousands of kilometers and is visible even from space.In 2025, its biomass was est…
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