Figure 2 (IMAGE) Science China Press Caption The &delta;13Cz, &delta;13Ch and &Delta;h?z 13C values are expressed as the mean±SD in the samples from coral reefs in Sanya, the Xisha Islands and the Nansha Islands. (a) The average &delta;13Cz values; (b) the average &delta;13Ch values; (c) the average &Delta;h?z 13C values in Sanya, the Xisha Islands and Nansha Islands coral reefs. The a and b indicate post-hoc multiple comparisons the coral isotope values among sampling sites. Credit @Science China Press Usage Restrictions Use with credits 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.