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学科主题: Oceanography
题名: Biomarker records of phytoplankton productivity and community structure changes during the last 14000 years in the mud area southwest off Cheju Island, East China Sea
作者: [Yuan Zineng ; Xing Lei ; Li Li ; Zhang Hailong ; Zhao Meixun] Ocean Univ China, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266100, Peoples R China ; [Yuan Zineng ; Xing Lei ; Li Li ; Zhang Hailong ; Zhao Meixun] Ocean Univ China, Inst Marine Organ Geochem, Qingdao 266100, Peoples R China ; [Xiang Rong] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
通讯作者: maxzhao@ouc.edu.cn
关键词: biomarker ; East China Sea ; productivity ; community structure ; TMBR ; BIT
刊名: JOURNAL OF OCEAN UNIVERSITY OF CHINA
发表日期: 2013
卷: 12, 期:4, 页:611-618
部门归属: 海洋地质
资助者: This study was supported by the National Basic Research Program of China (973 Program 2010CB428901) and the National Natural Science Foundation of China (Grant Nos. 41020164005, 41221004), and the '111' Project.
摘要: The ecological environment in the East China Sea (ECS) and the Yellow Sea (YS) has changed significantly due to sea-level rising and the Kuroshio incursion since the last deglaciation. In this study, biomarker records of core F10B from the mud area southwest off Cheju Island (MSWCI) were generated to evaluate phytoplankton productivity and community structure changes in response to environmental evolution during the last 14 kyr. The contents of diatom, dinoflagellate and haptophyte biomarkers (brassicasterol, dinosterol and C-37 alkenones) display similar trends, with increasing phytoplankton productivity during the last 14 kyr due to the increased influences of the Kuroshio, and especially due to the eddy-induced upwelling during the late Holocene. On the other hand, the contents of terrestrial biomarkers (C-28 +C-30 +C-32 n-alkanols) and terrestrial organic matter (TOM) proxies (TMBR' and BIT) all reveal decreasing TOM input into the area around the sampling site for the 14 kyr, mostly due to sea-level rising. Phytoplankton biomarker ratios reveal a shift from a haptophyte-dominated community at 6.2-2.5 kyr BP to a diatom-dominated community at 2.5-1.45 kyr BP, likely caused by a stronger cold eddy circulation system at 2.5-1.45 kyr BP in the MSWCI.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000326193700011
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11103
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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[Yuan Zineng; Xing Lei; Li Li; Zhang Hailong; Zhao Meixun] Ocean Univ China, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266100, Peoples R China; [Yuan Zineng; Xing Lei; Li Li; Zhang Hailong; Zhao Meixun] Ocean Univ China, Inst Marine Organ Geochem, Qingdao 266100, Peoples R China; [Xiang Rong] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China.Biomarker records of phytoplankton productivity and community structure changes during the last 14000 years in the mud area southwest off Cheju Island, East China Sea,JOURNAL OF OCEAN UNIVERSITY OF CHINA,2013,12(4):611-618
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