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It’s an ideal day for a beach get-away. Research suggests that these extra-large blooms of sargassum are due to a combination of excess nutrients, deforestation, and climate change. Please enter your username or email address. The sun shines down on the white powder sand and tourists fill beach chairs along the shore. A thick blanket arrives, wave after... Sargassum invasions have affected more places than the Cayman Islands. Dead bonefish in sargassum. And as the sargassum rots along mangrove shorelines, it kills the mangroves – it covers the roots, preventing gas exchange, and as the sargassum decays hydrogen sulfide gas is released, further stressing and killing mangroves. Some species are part of a community that only occurs with sargassum, others only use the sargassum as juveniles or as feeding stops. Flying fish lay their eggs amid this tangled mass. “We traveled 12 kilometers of coast to the north, from our hotel, and we saw the sargassum tide in the whole area. Since 2011, periodic invasions of sargassum have been a feature of life in the Caribbean. The SEAS Program is an ongoing research effort from Texas A&M Galveston (TAMUG) that specializes in Sargassum seaweed movement and migration patterns, as well as identifying and understanding potential growth factors behind the blooms. This isn’t an area that is contributing nutrients to the Caribbean, and there is no deforestation. In other words, these sargassum blooms are a serious problem for coastal habitats.Lazaro’s account came from the waters within Xcalak National Park on the Caribbean coast of the Yucatán Peninsula of Mexico, a beautiful protected area with a great flats fishery. Photo: Elena M. de la Guardia. The Cayman Compass talked to scientists from Barbados to Florida as they track the sargassum back to the source. Enrique […] In front of our house, about 70 meters from the coastline, we found 22 dead macabies.” (Macabies is the Spanish word for bonefish.) You smell it, before you see it. Between the lack of oxygen and the shade from the floating sargassum, a lot of seagrass dies too. According to the Secretary of the Navy, the state government and the Federation have so far exercised 109 million pesos for containment barriers and Sargassian barges.