Here an article and with a video about the sargassum sea that is in the Atlantic, which is responsible for the seeweed showing up on many Caribbean beaches lately:
Significant Sargassum
By Melissa Gaskill / Alert Diver/
http://www.alertdiver.com/?articleNo=1108
“The Sargassum Sea, a 1.5 million-square-mile circle of ocean filled vast rafts of free-floating algae, occupies the North Atlantic subtropical Gyre, a large system of rotating currents within the Atlantic. The Sargassum Sea is bounded by the Gulf Stream, the North Atlantic current, the Canary current, and
the North Atlantic Equatoria Current, and it has inspired ancient poets, mariners’ tales, 20th-century science fiction, and even music videos. “Sailing ships were afraid of being trapped in it, said Larry McKinney, executor director of the Harte Research institute for Gulf of Mexico Studies at Texas A&M University - Corpus Christi “I’ve been sargassum mats so thick - the size of 10 football fields. I could almost imagine that happening.”
Far from being hazardous, sargassum plays a significant role in the marine ecosystem, providing a variety of habitats that include resting, feeding and breeding area for families. The young types of our sea turtles— loggerhead, hawksbill, kemp’s ridley and green— hide from predators in the mats and
eat both the algae and creatures that live in it. (They and other creatues also eat plastic bits that collect
In the mats, some with deadly consequences
The week before, the grooming machine was collecting it.
