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Seaweed is largely transported from coastal areas to the open and deep ocean, acting as a permanent storage of carbon biomass within marine sediments. [65] Ocean afforestation is a proposal for farming seaweed for carbon removal. [53] [66] After harvesting seaweed is decomposed into biogas (60% methane and 40% carbon dioxide) in an anaerobic ...
Other seaweed may be used as fertilizer, compost for landscaping, or to combat beach erosion through burial in beach dunes. [55] Seaweed is under consideration as a potential source of bioethanol. [56] [57] Seaweed is lifted out of the top of an algae scrubber/cultivator, to be discarded or used as food, fertilizer, or skin care.
SeaGrown is a seaweed farming and processing company based in Scarborough, North Yorkshire, England. It was established in 2018 and in 2019, it was given a grant to be able to grow its own seaweed in a specific area off the coast of Scarborough. It is England's first large-scale, commercial seaweed farm.
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Researchers warn a massive belt of Sargassum seaweed headed towards the state could be infected with the deadly Vibrio bacteria Flesh-eating bacteria found in seaweed on Florida beaches Skip to ...
Harvesting seaweed from marine environments results in the net removal of these elements from these ecosystems in addition to the removal of heavy metals and contaminants. [44] For photosynthesis, seaweeds utilize both inorganic nitrogen, in the forms of nitrate - NO 3 −, ammonium - NH 4 +, and organic nitrogen in the form of urea. [46]
13 million tons of seaweed are bobbing off the coast as this year’s Great Atlantic Sargassum Bloom sets new records. Seaweed mass expands, reaches record tonnage. Messy Florida beaches ...
As of 2019, seaweed represented 30% of marine aquaculture. [66] In 2023, the global seaweed extract market was valued at $16.5 billion, with strong projected growth. [67] Seaweed farming is a carbon negative crop, with a high potential for climate change mitigation.