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Seaweed is an extractive crop that has little need for fertilisers or water, meaning that seaweed farms typically have a smaller environmental footprint than other agriculture or fed aquaculture. [ 14 ] [ 15 ] [ 16 ] Many of the impacts of seaweed farms, both positive and negative, remain understudied and uncertain.
Seaweed farming might also be used to capture and store carbon, helping offset damaging greenhouse emissions. There is an emerging, potentially lucrative global market for such operations.
Marine Permaculture is a form of mariculture that reflects the principles of permaculture by recreating seaweed forest habitat and other ecosystems in nearshore and offshore ocean environments. Doing so enables a sustainable long-term harvest of seaweeds and seafood , while regenerating life in the ocean.
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 ...
Mar. 7—HOOD CANAL, Wash. — On a gray February afternoon, Joth Davis motors his skiff along the northern edge of Hood Canal, a glacier-carved fjord in Puget Sound. A grid of black buoys marks ...
Seaweed aquaculture shows potential to act as a CO 2 sink through the uptake of carbon during photosynthesis, transformation of inorganic carbon into biomass, and ultimately the fixation of carbon which can later be exported and buried. [5] [31] [50] Duarte et al. (2017) outline a potential strategy for a seaweed farming blue carbon initiative ...
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Dulse is one of many edible algae. Algaculture may become an important part of a healthy and sustainable food system [10]. Several species of algae are raised for food. While algae have qualities of a sustainable food source, "producing highly digestible proteins, lipids, and carbohydrates, and are rich in essential fatty acids, vitamins, and minerals" and e.g. having a high protein ...