图2 (IMAGE) Science China Press Caption 三亚鹿回头、西沙群岛和南沙群岛珊瑚δ13Cz、δ13Ch和Δh−z 13C (a) 珊瑚δ13Cz平均值; (b) 珊瑚δ13Ch平均值; (c) 珊瑚Δh−z 13C平均值. a和b表示三个礁区珊瑚组织碳同位素值的事后多重比较. δ13Ch值和Δh−z 13C值越负意味着异养摄食强度越高. Credit ©《中国科学》杂志社 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.