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Cold-water corals in a cold seep area on the northern continental slopes of the South China sea and their isotopic characteristics
Xu, Antao1,2; Chen, Zhong1; Qu, Yuangao3; Tian, Yuhang1,2; Shu, Chan2,4; Zheng, Xufeng1; Li, Gang1; Yan, Wen1,2; Zhao, Meixia1
2019-10-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume152Pages:10
Abstract

Cold-water corals (CWCs) were found to occur in association with authigenic carbonates in a cold seep area on the northern continental slopes of the South China Sea (SCS). The taxa identified were: Balanophyllia (Balanophyllia) sp., Balanophyllia (Eupstutunia) sp., Lochmaeotrochus sp., Enallopsammia sp., Crispatotrochus sp.1 and Crispatotrochus sp.2. The delta C-1(3) (-7.36%o to -1.15%o, V-PDB) and Sr-87/Sr-86 ratios (0.709126-0.709184) indicated that CWC aragonite skeletons had been precipitated from seawater without the involvement of seeping fluids. The presence and growth of CWCs on the slopes of the submarine seamounts in the south-western (SW) Dongsha area could be directly linked with the hard substrates provided by exhumed hydrocarbon-imprinted authigenic carbonates and fed by the food particles enhanced by high-velocity internal tides and near-bottom currents. A multi-step process for CWC colonization was proposed that encompassed cold-seepage processes as a driver for hard-substrate generation of CWC, as well as the subsequent settlement and maintenance of CWC larvae under the persistent influence of bottom currents.

KeywordCold-water corals Authigenic carbonates Stable isotopes Cold seep Internal tides South China sea
DOI10.1016/j.dsr.2019.05.003
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China ; Hundred Talent Program C
Language英语
Funding ProjectNational Natural Science Foundation of China[41976065] ; National Natural Science Foundation of China[41676056] ; National Natural Science Foundation of China[41376057] ; National Natural Science Foundation of China[41676031] ; Hundred Talent Program C[Y810011BRC]
WOS KeywordROCKALL TROUGH MARGIN ; LOPHELIA-PERTUSA ; AUTHIGENIC CARBONATES ; NE ATLANTIC ; INTERNAL TIDES ; PORCUPINE SEABIGHT ; MOUND DEVELOPMENT ; LATE PLEISTOCENE ; OXYGEN CONTROL ; FLUID SOURCES
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000497251500004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/7351
Collection深海科学研究部_地外海洋系统研究室
Corresponding AuthorChen, Zhong
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Ocean & Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
4.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Xu, Antao,Chen, Zhong,Qu, Yuangao,et al. Cold-water corals in a cold seep area on the northern continental slopes of the South China sea and their isotopic characteristics[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2019,152:10.
APA Xu, Antao.,Chen, Zhong.,Qu, Yuangao.,Tian, Yuhang.,Shu, Chan.,...&Zhao, Meixia.(2019).Cold-water corals in a cold seep area on the northern continental slopes of the South China sea and their isotopic characteristics.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,152,10.
MLA Xu, Antao,et al."Cold-water corals in a cold seep area on the northern continental slopes of the South China sea and their isotopic characteristics".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 152(2019):10.
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