Trends from 1980 – 2005
Production from algae cultivation has been increasing regularly, while algal gathering remains stable. Production was 14.8 million tonnes in 2005 from algaculture and 1.3 million tonnes from gathering.
Almost all of this culture is done in Asia.
Aquacultural production of different groups of algae and plants
In 2005, 7.8 million tonnes of brown algae were produced, red algae production amounted to 4.8 million tonnes, green algae came to 13 000 tonnes, and other aquatic plants represented 2.1 million tonnes wet weight.
FAO 2007 (2005 production).