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delta C-13 and fatty acid composition of mesopelagic fishes in the South China Sea and their influence factors
Wang, Fuqiang1; Wu, Ying1; Cui, Ying1; Chen, Zuozhi2; Li, Zhongyi3; Zhang, Jun2; Zheng, Shan4
2019-08-08
Source PublicationCHEMISTRY AND ECOLOGY
ISSN0275-7540
Pages17
Corresponding AuthorWu, Ying(wuying@sklec.ecnu.edu.cn)
AbstractStudy of the ecology of mesopelagic fishes is central for assessing the active biological pump in the ocean, especially in the mesopelagic layers. The use of delta C-13 and fatty acid analysis can help to analysis the ecology of mesopelagic fishes. Here, we analysed the fatty acid composition of mesopelagic fishes from the continental northern slope of the South China Sea (NSSCS) and compared with nearshore SCS fishes and mesopelagic fishes collected from the Southern Ocean. The mesopelagic fishes had unusually high lipids, which resulted in Delta delta C-13 values exceeding 1 parts per thousand, more than the enrichment factor in the food web. The mesopelagic fishes had higher C18:1n-9/C18:1n-7 and C20:1n-9/ C18:1n-7 ratios compared with other fishes in the SCS, which confirmed that plankton were their main dietary source. The mesopelagic fishes from SCS and Southern Ocean had different ratios of C20:5n-3/C22:6n-3 (EPA/DHA), suggesting geographical locations and diet sources had obvious influence on their fatty acid composition. The SCS mesopelagic fishes had higher C20:4n-6/C22:6n-3 (ARA/DHA) and C20:4n-6/C20:5n-3 (ARA/EPA) ratios than mesopelagic fishes in the Southern Ocean, indicating the influence of physical factors on fatty acid composition. Thus, future studies of the fatty acids in mesopelagic fishes should consider both dietary sources and physical environments.
KeywordMesopelagic fishes lipids delta C-13 fatty acids temperature South China Sea
DOI10.1080/02757540.2019.1651844
Indexed BySCI
Language英语
Funding ProjectNational Key Program for Basic Research[2014CB441502]
WOS Research AreaBiochemistry & Molecular Biology ; Environmental Sciences & Ecology
WOS SubjectBiochemistry & Molecular Biology ; Ecology ; Environmental Sciences
WOS IDWOS:000480927800001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162337
Collection胶州湾海洋生态系统国家野外研究站
Corresponding AuthorWu, Ying
Affiliation1.East China Normal Univ, State Key Lab Estuarine & Coastal Res, 500 Dongchuan Rd, Shanghai 200062, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou, Guangdong, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao, Shandong, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Jiao Zhou Bay Marine Ecosyst Res Stn, Qingdao, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Fuqiang,Wu, Ying,Cui, Ying,et al. delta C-13 and fatty acid composition of mesopelagic fishes in the South China Sea and their influence factors[J]. CHEMISTRY AND ECOLOGY,2019:17.
APA Wang, Fuqiang.,Wu, Ying.,Cui, Ying.,Chen, Zuozhi.,Li, Zhongyi.,...&Zheng, Shan.(2019).delta C-13 and fatty acid composition of mesopelagic fishes in the South China Sea and their influence factors.CHEMISTRY AND ECOLOGY,17.
MLA Wang, Fuqiang,et al."delta C-13 and fatty acid composition of mesopelagic fishes in the South China Sea and their influence factors".CHEMISTRY AND ECOLOGY (2019):17.
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