SCSIO OpenIR  > 中科院边缘海地质重点实验室
Trace metal anomalies in bleached Porites coral at Meiji Reef, tropical South China Sea
Li, S; Yu, KF; Zhao, JX; Feng, YX; Chen, TR; lishu@scsio.ac.cn
2017
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号35期号:1页码:115-121
摘要Coral bleaching has generally been recognized as the main reason for tropical coral reef degradation, but there are few long-term records of coral bleaching events. In this study, trace metals including chromium (Cr), copper (Cu), molybdenum (Mo), manganese (Mn), lead (Pb), tin (Sn), titanium (Ti), vanadium (V), and yttrium (Y), were analyzed in two Porites corals collected from Meiji Reef in the tropical South China Sea (SCS) to assess differences in trace metal concentrations in bleached compared with unbleached coral growth bands. Ti, V, Cr, and Mo generally showed irregular fluctuations in both corals. Bleached layers contained high concentrations of Mn, Cu, Sn, and Pb. Unbleached layers showed moderately high concentrations of Mn and Cu only. The different distribution of trace metals in Porites may be attributable to different selectivity on the basis of vital utility or toxicity. Ti, V, Cr, and Mo are discriminated against by both coral polyps and zooxanthellae, but Mn, Cu, Sn, and Pb are accumulated by zooxanthellae and only Mn and Cu are accumulated by polyps as essential elements. The marked increase in Cu, Mn, Pb, and Sn are associated with bleaching processes, including mucus secretion, tissue retraction, and zooxanthellae expulsion and occlusion. Variation in these trace elements within the coral skeleton can be used as potential tracers of short-lived bleaching events.
部门归属[Li Shu; Yu Kefu; Chen Tianran] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Zhao Jianxin; Feng Yuexing] Univ Queensland, Sch Earth Sci, Radiogen Isotope Lab, Brisbane, Qld 4072, Australia
关键词Trace Metals Porites Zooxanthellae Coral Bleaching Meiji Reef South China Sea
资助项目MSG
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16472
专题中科院边缘海地质重点实验室
通讯作者lishu@scsio.ac.cn
推荐引用方式
GB/T 7714
Li, S,Yu, KF,Zhao, JX,et al. Trace metal anomalies in bleached Porites coral at Meiji Reef, tropical South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(1):115-121.
APA Li, S,Yu, KF,Zhao, JX,Feng, YX,Chen, TR,&lishu@scsio.ac.cn.(2017).Trace metal anomalies in bleached Porites coral at Meiji Reef, tropical South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(1),115-121.
MLA Li, S,et al."Trace metal anomalies in bleached Porites coral at Meiji Reef, tropical South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.1(2017):115-121.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。