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Trace element exposure of whooper swans (Cygnus cygnus) wintering in a marine lagoon (Swan Lake), northern China
Wang, Feng1,2; Xu, Shaochun1,2; Zhou, Yi1,3; Wang, Pengmei1,2; Zhang, Xiaomei1,2
2017-06-30
发表期刊MARINE POLLUTION BULLETIN
卷号119期号:2页码:60-67
文章类型Article
摘要Trace element poisoning remains a great threat to various waterfowl and waterbirds throughout the world. In this study, we determined the trace element exposure of herbivorous whooper swans (Cygnus cygnus) wintering in Swan Lake (Rongcheng), an important swan protection area in northern China. A total of 70 samples including abiotic factors (seawater, sediments), food sources (seagrass, macroalgae), feathers and feces of whooper swans were collected from the marine lagoon during the winters of 2014/2015 and 2015/2016. Concentrations of Cu, Zn, Pb, Cr, Cd, Hg and As were determined to investigate the trace element exposure of whooper swans wintering in the area. Results showed that there was an increasing trend in sediment trace element concentrations, compared with historical data. The trace element concentrations in swan feces most closely resembled those of Zostera marina leaves, especially for Cd and Cr. The Zn and Hg concentrations in the swan feces (49.57 and 0.01 mg/kg, respectively) were lower than the minimum values reported in the literature for other waterfowls, waterbirds and terrestrial birds. However, the concentrations of the other five trace elements fell within the lower and mediate range of values reported for birds across the world. These results suggest that the whooper swans wintering in Swan Lake, Rongcheng are not suffering severe trace element exposure; however, with the increasing input of trace elements to the lagoon, severe adverse impacts may occur in the future, and we therefore suggest that the input of trace elements to this area should be curbed. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Marine Lagoon Trace Elements Exposure Whooper Swans Feces Seagrass Conservation
DOI10.1016/j.marpolbul.2017.03.063
收录类别SCI
语种英语
WOS记录号WOS:000403985200007
引用统计
被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137118
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
第一作者单位海洋生态与环境科学重点实验室
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Wang, Feng,Xu, Shaochun,Zhou, Yi,et al. Trace element exposure of whooper swans (Cygnus cygnus) wintering in a marine lagoon (Swan Lake), northern China[J]. MARINE POLLUTION BULLETIN,2017,119(2):60-67.
APA Wang, Feng,Xu, Shaochun,Zhou, Yi,Wang, Pengmei,&Zhang, Xiaomei.(2017).Trace element exposure of whooper swans (Cygnus cygnus) wintering in a marine lagoon (Swan Lake), northern China.MARINE POLLUTION BULLETIN,119(2),60-67.
MLA Wang, Feng,et al."Trace element exposure of whooper swans (Cygnus cygnus) wintering in a marine lagoon (Swan Lake), northern China".MARINE POLLUTION BULLETIN 119.2(2017):60-67.
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