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《Marine Geology & Quaternary Geology》 2005-01
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ANNUAL VARIABILITY OF HEAVY METAL CONTENTS IN THE PORITES LUTEA CORAL FROM THE LONGWAN BAY, HAINAN PROVINCE, CHINA

CHENG Ji-man~1,ZHOU Yun-tao~1,LIU Yi~1,LIU Gui-jian~1,PENG Zi-cheng~(1,2),NIE Bao-fu~3,CHEN Te-gu~3(1 University of Science and Technology of China,Hefei 230026,China;2 State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,Chinese Academy of Sciences,Xi’an 710054,China;3 South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China)  
Fe, Cu, Al, Ba, Zn, Mn, Cd, Ni, and Cr contents in the Porites luteacoral from Longwan Bay(19°20′~( )N,110°39′ E), Hainan Province, China were measured with inductively coupled plasma atomic emission spectrometry (ICP-AES). The results indicate that the coral had iron metal content in 1993 1.03 times higher than the average from 1986 to 1997, indicating that the coral suffered from obvious Fe contamination in that year. In addition, Fe contents in 1994 and 1995, Cu content in 1986, Mn content in 1993,and Zn content in 1995 were 0.5~1 time higher than the averages from 1986 to 1997.From this we know that the coral was slightly polluted by those heavy metals in the above-mentioned years.Comparison of the metal contents in the Longwan coral with those in the Dafangji coral from the Dianbai County, Guangdong Province, China, let us know that the metal contents in the former are much lower than those in the latter. Therefore, it can be concluded that the ocean region in the east part of the Hainan Island generally was not contaminated by heavy metals up to now.
【Fund】: 中国科学院知识创新工程重大项目(KZCX2 SW 118;KZCX3 SW 120);; 国家科技部基础研究项目(2001CCB 00100);; 国家自然科学基金项目(40176031);; 黄土与第四纪地质国家重点实验室开放基金项目(SKLLQG 0412;0324)
【CateGory Index】: P736.4
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