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The Food and Agriculture Organization (FAO) reported that world production in 2019 was over 35 million tonnes. North America produced some 23,000 tonnes of wet seaweed. Alaska, Maine, France, and Norway each more than doubled their seaweed production since 2018. As of 2019, seaweed represented 30% of marine aquaculture. [6]
The Food and Agriculture Organization (FAO) reported that world production in 2019 was over 35 million tonnes. North America produced some 23,000 tonnes of wet seaweed. Alaska, Maine, France, and Norway each more than doubled their seaweed production since 2018. As of 2019, seaweed represented 30% of marine aquaculture. [26]
Seaweed that becomes adrift can wash up on beaches. Kelp is a large brown seaweed that forms large underwater forests covering about 25% of the world coastlines. [65] They are among the most productive and dynamic ecosystems on Earth. [66] Some Sargassum seaweeds are planktonic (free-floating) and form floating drifts.
Beyond food production, seaweed offers a host of other environmental benefits. It has been used to create alternatives to plastic packaging that are biodegradable and compostable, and even edible .
The Food and Agriculture Organization (FAO) reported that world production in 2019 was over 35 million tonnes. North America produced some 23,000 tonnes of wet seaweed. Alaska, Maine, France, and Norway each more than doubled their seaweed production since 2018. As of 2019, seaweed represented 30% of marine aquaculture. [64]
The production of algae through aquaculture grew from 707.0 thousand tonnes in 2000 to around 1,500 thousand tonnes annually in the years since then. [20]: 27 In 2012, the Philippines 1.75 million tons of farmed seaweed produced made the country the world's third-largest producer. [4] Carrageenan makes up 94% of seaweed exports.
Edible seaweed, or sea vegetables, are seaweeds that can be eaten and used for culinary purposes. [1] They typically contain high amounts of fiber. [2][3] They may belong to one of several groups of multicellular algae: the red algae, green algae, and brown algae. [2] Seaweeds are also harvested or cultivated for the extraction of ...
Kelp forests occur worldwide throughout temperate and polar coastal oceans. [1] In 2007, kelp forests were also discovered in tropical waters near Ecuador. [4] Global distribution of kelp forests. "I can only compare these great aquatic forests ... with the terrestrial ones in the intertropical regions. Yet if in any country a forest was ...