Sargassum seaweed, Vibrio bacteria and plastic debris are interacting in the ocean to create a perfect “pathogen storm” that researchers say could seriously impact both marine life and public health
When you see the seaweed close up, you'll notice leafy appendages, branches, and round, berry-like structures. According to the , these gas-filled “berries," called pneumatocysts, are filled mostly with oxygen.
The large floating blobs of Sargassum can provide food, refuge, and breeding grounds for an array of animals such as fishes, sea turtles, marine birds, crabs, shrimp, and more, NOAA says. Some animals, like the Sargassum fish , live their whole lives only in this habitat. Since 2011, the free-living populations of brown macroalga have rapidly expanded in the Sargasso Sea and other parts of the open ocean such as the Great Atlantic Sargassum Belt. This has resulted in frequent and unprecedented seaweed accumulation events on beaches.
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