Geographic and tissue-specific variations of the trace elements and trophic niches of three offshore cetaceans in Chinese waters

doi:10.1016/j.jhazmat.2023.133380

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 分析测试中心

	Geographic and tissue-specific variations of the trace elements and trophic niches of three offshore cetaceans in Chinese waters
	Zhai, Yuhuan 3,4,5; Li, Pingjing 3; Zhang, Qinglin 3; Zhang, Peijun ; Li, Songhai 1,2,5
刊名	JOURNAL OF HAZARDOUS MATERIALS
	2024-03-05
卷号	465 页码:11
关键词	Trace elements Tissue distribution Trophic niche Offshore cetaceans Chinese waters
ISSN号	0304-3894
DOI	10.1016/j.jhazmat.2023.133380
英文摘要	Systematical investigation on trace elements' (TEs) distribution and trophic niches of cetaceans are essential to understand marine mammal ecology and environmental toxicology. Here, the concentrations of 10 TEs and isotopic values in six tissues of stranded Stenella attenuata (SA) and Kogia breviceps (KB) from the northern South China Sea (SCS) and Peponocephala electra (PE) from the East China Sea (ECS) were investigated. The TEs levels of the studied cetaceans were characterized by geo- and tissue-specific distributions. For SA and KB, most TEs levels were in the normal ranges, with low toxicological risk. For PE, several toxic TEs accumulated above the thresholds up to 892.80 mu g/g of Hg and 335.24 mu g/g of Cd, indicating that land-based anthropogenic pollution may be an ongoing threat to top predators in the ECS. The liver, spleen, and kidney are the main organs that accumulate toxic TEs, and there are strong positive, such as Se-Hg, correlations in several tissues. In particular, for PE with severe Hg and Cd exposure, tissue-specific distribution and correlations were more obvious. The results of stable carbon and nitrogen isotopes showed partly overlapped trophic niches of the three cetaceans, with similar calculated trophic levels in a narrow range of 4.29-4.43.
资助项目	National Natural Science Foundation of China[42225604] ; Hainan Provincial Natural Science Foundation[422RC745] ; Hainan Provincial Natural Science Foundation[221RC1086] ; Deepsea Infrastructure and Support Platform Improvement Program of DSTIC[DSTIC-SSPT-2022005] ; Deepsea Infrastructure and Support Platform Improvement Program of DSTIC[DSTIC-SSPT-2022008] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2020363]
WOS关键词	STABLE-ISOTOPES ; HEXAVALENT CHROMIUM ; RIVER DELTA ; NITROGEN ; MERCURY ; CARBON ; SEA ; METALLOTHIONEINS ; POLLUTION ; CADMIUM
WOS研究方向	Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:001166179000001
资助机构	National Natural Science Foundation of China ; Hainan Provincial Natural Science Foundation ; Deepsea Infrastructure and Support Platform Improvement Program of DSTIC ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/10896]
专题	深海科学研究部_分析测试中心
通讯作者	Li, Pingjing; Li, Songhai
作者单位	1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China 2.Chinese Acad Sci, Innovat Res Ctr Aquat Mammals, Inst Hydrobiol, Wuhan 430072, Peoples R China 3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Analyt Instrumentat Ctr, Sanya 572000, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya 572000, Peoples R China
推荐引用方式 GB/T 7714	Zhai, Yuhuan,Li, Pingjing,Zhang, Qinglin,et al. Geographic and tissue-specific variations of the trace elements and trophic niches of three offshore cetaceans in Chinese waters[J]. JOURNAL OF HAZARDOUS MATERIALS,2024,465:11.
APA	Zhai, Yuhuan,Li, Pingjing,Zhang, Qinglin,Zhang, Peijun,&Li, Songhai.(2024).Geographic and tissue-specific variations of the trace elements and trophic niches of three offshore cetaceans in Chinese waters.JOURNAL OF HAZARDOUS MATERIALS,465,11.
MLA	Zhai, Yuhuan,et al."Geographic and tissue-specific variations of the trace elements and trophic niches of three offshore cetaceans in Chinese waters".JOURNAL OF HAZARDOUS MATERIALS 465(2024):11.