Scientists on Sanibel Island, Florida (IMAGE) Louisiana State University Caption Scientists Robert Twilley, Edward Castaneda and Andre Rovai collect mangrove soil core samples on Sanibel Island, Florida for their global blue carbon study published in Nature Climate Change. Credit Andre Rovai, LSU. Usage Restrictions None License Licensed content 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.