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Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication
Chen, MH; Zhang, LL; Xiang, R; Lu, J; mhchen@scsio.ac.cn
2008
发表期刊JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES
ISSN1002-0705
卷号19期号:3页码:217-229
摘要Quantitative analysis of radiolarian preservation in surface sediments from different regional environments of the South China Sea (SCS) is discussed in this article for illustrating their relationship. The results show that species diversity and abundance of radiolarian in the surface sediment increase with water depth, indicating no obvious dissolution of radiolarian shell in the deep SCS. Upwelling activity and volcanic eruption are both in favor of radiolarian propagation, and cause the settlement enrichment of radiolarian shell. Whereas, an abnormal reduced radiolarian fauna in deeper slope sediment may result from the remain of turbid flow that brings sediments from shallow area, such as shelf and upper slope. Radiolarian species are mainly composed of tropic-subtropic types, and include some cold or polar species, which indicates that a mistake in paleoceanographic analysis should arise from the monospecific index. However, synthesis radiolarian indexes in sediments may well respond to the ecologic and depositional environments in the SCS.
部门归属[Chen Muhong; Zhang Lanlan; Zhang Lili; Xiang Rong; Lu Jun] Chinese Acad Sci, Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
关键词Radiolarian Preservation Sedimentary Distribution Surface Sediment South China Sea
学科领域Geology ; Geosciences, Multidisciplinary
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000257294800004
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4538
专题中科院边缘海地质重点实验室
通讯作者mhchen@scsio.ac.cn
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Chen, MH,Zhang, LL,Xiang, R,et al. Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication[J]. JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES,2008,19(3):217-229.
APA Chen, MH,Zhang, LL,Xiang, R,Lu, J,&mhchen@scsio.ac.cn.(2008).Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication.JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES,19(3),217-229.
MLA Chen, MH,et al."Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication".JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES 19.3(2008):217-229.
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