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学科主题: Geology; Geosciences, Multidisciplinary
题名: Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication
作者: Chen, MH ; Zhang, LL ; Zhang, LL ; Xiang, R ; Lu, J
通讯作者: mhchen@scsio.ac.cn
关键词: radiolarian ; preservation ; sedimentary distribution ; surface sediment ; South China Sea
刊名: JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES
发表日期: 2008
卷: 19, 期:3, 页:217-229
收录类别: sci
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
项目归属: 海洋地质
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.
原文出处: 查看原文
WOS记录号: WOS:000257294800004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4538
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Chen, MH; Zhang, LL; Zhang, LL; Xiang, R; Lu, J.Preservation of radiolarian diversity and abundance in surface sediments of the South China Sea and its environmental implication,JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES,2008,19(3):217-229
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