Friday, December 17, 2010

Pollution of water and its purification cleaned up using seaweed

Charles Yarish is, by his own definition, a seaweed enthusiast. Over his 35-year career, the Stamford professor of ecology and evolutionary biology has followed his marine algae instincts around the world, studying seaweeds’ relationships, their physiology, and their interactions with the world around them.

Yarish’s most recent endeavor will use seaweeds to clean up pollution from human sources, as well as waste from fish and even people. This approach, dubbed extractive aquaculture or bioextraction, promises to use the physiological properties of seaweeds and other organisms to clean up excess nutrients in polluted areas, making them healthier, more productive, and more economically viable.

“Nutrient-enriched systems can contribute to harmful algal blooms, which deplete oxygen in the water,” says Yarish. “Shellfish and seaweeds can provide good ecosystem services by extracting organic and inorganic nutrients from seawater.” Read more...

This blog is written by Martin Little The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers.
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