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Other seaweed may be used as fertilizer, compost for landscaping, or to combat beach erosion through burial in beach dunes. [54] Seaweed is under consideration as a potential source of bioethanol. [55] [56] Seaweed is lifted out of the top of an algae scrubber/cultivator, to be discarded or used as food, fertilizer, or skin care.
Eubacteria are important photosynthetizers in both oceanic and terrestrial ecosystems, and while some archaea are phototrophic, none are known to utilise oxygen-evolving photosynthesis. [6] A number of eukaryotes are significant contributors to primary production in the ocean, including green algae , brown algae and red algae , and a diverse ...
Laminaria japonica, the important commercial seaweed, was first introduced into China in the late 1920s from Hokkaido, Japan. Yet mariculture of this alga on a very large commercial scale was realized in China only in the 1950s. Between the 1950s and the 1980s, kelp production in China increased from about 60 to over 250,000 dry weight metric ...
The antioxidants in a common seaweed called Ecklonia cava could combat the development of Parkinson's disease by protecting dopamine-producing neurons, a new study in mice suggests.
Seaweed farming has had widespread socio-economic impacts in Tanzania, has become a very important source of resources for women, and is the third biggest contributor of foreign currency to the country. [28] 90% of the farmers are women, and much of it is used by the skincare and cosmetics industry. [29]
But it's seaweed's ability to offset carbon and its regenerative properties for ocean ecosystems that has researchers everywhere talking. "Roughly 30 million tons of seaweed is grown globall.
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Organisms that live freely at the surface, termed neuston, include keystone organisms like the golden seaweed Sargassum that makes up the Sargasso Sea, floating barnacles, marine snails, nudibranchs, and cnidarians. Many ecologically and economically important fish species live as or rely upon neuston.