Aldabra raised atoll shoreline illustration (IMAGE) University of Zurich Caption Aldabra's raised atoll shoreline: From 1960 to 2011, 24% of the shoreline changed at a rate of 25 cm/ yr, the lagoon shoreline changed at 32 cm/yr and the ocean shoreline changed at 15 cm/yr. Credit Annabelle Constance, Seychelles Islands Foundation Usage Restrictions none License Original 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.