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Human use of seaweed is known from the Neolithic period. [4] Cultivation of gim (laver) in Korea is reported in books from the 15th century. [71] [72] Seaweed farming began in Japan as early as 1670 in Tokyo Bay. [73] In autumn of each year, farmers would throw bamboo branches into shallow, muddy water, where the spores of the seaweed would ...
The IPCC (2019) says marine organisms are being affected globally by ocean warming with direct impacts on human communities, fisheries, and food production. [67] It is likely there will be a 15% decrease in the number of marine animals and a decrease of 21% to 24% in fisheries catches by the end of the 21st century because of climate change. [68]
An alternative offset would be to cultivate kelp forests. Kelp can grow at 2 feet per day, 30 times faster than terrestrial plants. Planting kelp across 10% of the oceans (4.5 x the area of Australia) could provide the same offset. Additionally, the kelp would support a fish harvest of 2 megatons per year and reduce ocean acidification. Large ...
Ascophyllum nodosum is harvested for use in alginates, fertilisers, and the manufacture of seaweed meal for animal and human consumption. Due to the high level of vitamins and minerals that bioaccumulate in A. nodosum, it has been used in Greenland as a dietary supplement. [6] It was also been used for certain herbal teas, particularly kelp teas.
Kelp forests are underwater areas with a high density of kelp, which covers a large part of the world's coastlines.Smaller areas of anchored kelp are called kelp beds.They are recognized as one of the most productive and dynamic ecosystems on Earth.
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The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
Investigators said they also had “serious concerns” about “credible reports of sexual assault and other sexual misconduct" by Worcester Police Department officers, gender bias that ...