Sea Otters in Kelp (image) University of California - Santa Cruz Share Print E-Mail Caption Sea otters convene in a kelp bed near Kodiak Island, Alaska. A new UC Santa Cruz study shows how an abundance of otters can control sea urchins, helping kelp to thrive and thus absorb greater amounts of CO2 from the atmosphere. Credit Arthur Morris Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.