The use of sterols combined with isotope analyses as a tool to identify the origin of organic matter in the East China Sea

doi:10.1016/j.ecolind.2017.07.012

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋生态与环境科学重点实验室

	The use of sterols combined with isotope analyses as a tool to identify the origin of organic matter in the East China Sea
	Duan, Li-Qin 1,2; Song, Jin-Ming1,2 ; Yuan, Hua-Mao 1,2; Li, Xue-Gang 1,2; Li, Ning 1,2; Peng, Quan-Cai 1,3
刊名	ECOLOGICAL INDICATORS
	2017-12-01
卷号	83 页码:144-157
关键词	Sterol Isotopic Composition Organic Matter Sediment The East China Sea
DOI	10.1016/j.ecolind.2017.07.012
文献子类	Article
英文摘要	To evaluate the sources and budgets of sedimentary organic matter in the East China Sea (ECS), bulk organic matter properties (total organic carbon (TOC), C/N ratio, carbon and nitrogen isotopic composition (delta C-13 and delta N-15)) and sterols in surface sediments were analyzed. The distributions of bulk organic matter properties and sterols showed a strong regionality with higher contents in the southern inner shelf as well as the offshore upwelling area. It was consistent with the increasing mud and chlorophyll a (Chl a) contents southwards. These distribution patterns were attributed to the terrestrial inputs by shelf circulations and phytoplankton contribution. Both of bulk organic matter properties and sterols indicated a mixture of terrestrial and marine derived organic matter inputs with marine source as a dominant input. Budgets suggested that organic carbon (OC) and sterol influxes from terrestrial source were 5.15 x 10(6) and 3.32 x 10(3) t/yr, with the Changjiang River input as the primary contributor; and while their influxes from marine source were 26.3 x 10(6) and 2.19 x 10(3) t/yr, respectively. The burial fluxes of OC and sterol were 3.99 x 10(6) t C/yr and 0.21 x 10(3) t/yr, with the inner shelf as main accumulation area. Although there was a huge amount of OC influx from terrestrial and marine sources, but only 24.6% and 10% of them could be preserved in sediments. Consequently, the combined effect of riverine input, marine primary productivity and deposition decided the organic matter behaviors in the ECS.
语种	英语
WOS记录号	WOS:000417551800015
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.qdio.ac.cn/handle/337002/154312]
专题	海洋研究所_海洋生态与环境科学重点实验室
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Marine Ecol & Environm Sci Lab, Qingdao 266237, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Analyt Ctr, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Duan, Li-Qin,Song, Jin-Ming,Yuan, Hua-Mao,et al. The use of sterols combined with isotope analyses as a tool to identify the origin of organic matter in the East China Sea[J]. ECOLOGICAL INDICATORS,2017,83:144-157.
APA	Duan, Li-Qin,Song, Jin-Ming,Yuan, Hua-Mao,Li, Xue-Gang,Li, Ning,&Peng, Quan-Cai.(2017).The use of sterols combined with isotope analyses as a tool to identify the origin of organic matter in the East China Sea.ECOLOGICAL INDICATORS,83,144-157.
MLA	Duan, Li-Qin,et al."The use of sterols combined with isotope analyses as a tool to identify the origin of organic matter in the East China Sea".ECOLOGICAL INDICATORS 83(2017):144-157.