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Contact: Andy Fell
University of California - Davis

Seabirds, Plankton and Climate Change

Caption: Seabirds like this Antarctic prion are the top predators of the Southern Ocean, feeding on krill that themselves feed on phytoplankton. New research shows that a chemical signal released by plankton, dimethyl sulfide or DMS, attracts seabirds that eat krill. DMS also plays a role in regulating the planet's temperature by influencing cloud formation.

Credit: Copyright Kevin Shafer, 2007.

Usage Restrictions: May be used with acknowledgement of the copyright owner.

Related news release: Plankton make scents for seabirds and a cooler planet

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