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Seaweed farming or kelp farming is the practice of cultivating and harvesting seaweed. In its simplest form farmers gather from natural beds, while at the other extreme farmers fully control the crop's life cycle .
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 ...
Kelp forests are underwater areas with a high density of kelp, ... [105] [106] Humboldt State University began cultivating bull kelp in its research farm in 2021.
Sep. 7—Three kelp farms operating off Long Island harvested more than 200,000 pounds of seaweed in 2022, which is about one-quarter of nearly 1 million pounds produced last year by some 40 ...
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Send Kelp! is a Canadian documentary film, directed by Blake McWilliam and released in 2024. [1] The film centres on Frances Ward, a woman who decided to deal with her fears about the world's environmental future by launching a kelp farm on Vancouver Island to contribute to replenishing the Pacific Ocean ecosystem.
This "kelp highway hypothesis" suggested that highly productive kelp forests supported rich and diverse marine food webs in nearshore waters, including many types of fish, shellfish, birds, marine mammals, and seaweeds that were similar from Japan to California, Erlandson and his colleagues also argued that coastal kelp forests reduced wave ...
Additionally, exploitation of kelp resources for potash production left little kelp behind for local fertilizer and coastal land became more desirable than inland regions. [18] [21] The Scottish seaweed industry went through multiple boom and bust cycles, employing 10,000 families and producing 3,000 tonnes of ash per year during its peak.