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学科主题: 地理学::自然地理学
题名: Mercury Concentrations in the Fish Community from Indrawati River, Nepal
作者: Pandey, A (Pandey, Aastha)1; Sharma, CM (Sharma, Chhatra Mani)1, 2, 3; Kang, S (Kang, Shichang)4, 5; Zhang, QG (Zhang, Qianggong)5, 6; Tripathee, L (Tripathee, Lekhendra)3, 4; Guo, JM (Guo, Junming)4; Li, XF (Li, Xiaofei)4; Sun, SW (Sun, Shiwei)4; Paudyal, R (Paudyal, Rukumesh)3, 4; Acharya, P (Acharya, Prakash)7; Sillanpaa, M (Sillanpaa, Mika)2
通讯作者: Sharma, CM
关键词: FRESH-WATER ; LAKE PHEWA ; BIOACCUMULATION ; ACCUMULATION ; EXPOSURE
刊名: BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
发表日期: 2017
DOI: 10.1007/s00128-017-2161-z
卷: 99, 期:4, 页:500-505
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Environmental Sciences; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology; Toxicology
英文摘要: This study quantified concentrations of mercury (Hg) and its trophic transfer along the fish community in the Indrawati River, Nepal. Stable isotope ratios of nitrogen (delta N-15) and carbon (delta C-13), complemented by stomach contents data were used to assess the food web structure and trophic transfer of Hg in 54 fishes; 43 Shizothorax richardsonii and 11 Barilius spp. [B. bendelisis (1), B. vagra (3) and B. barila (7)]. Sixty-one muscle samples (including six replicates) were used for the analysis of total mercury (THg) and stable isotopes. Mean THg concentrations in B. spp. and the more common species S. richardsonii was observed to be 218.23 (ng/g, ww) and 90.82 (ng/g, ww), respectively. THg versus total length in both S. richardsonii and B. spp. showed a decreasing tendency with an increase in age. Regression of logTHg versus delta N-15 among the fish species showed a significant positive correlation only in S. richardsonii indicating biomagnification along the trophic level in this species.
语种: 英语
WOS记录号: WOS:000411900300014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7980
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Kathmandu Univ, Sch Sci, Dept Environm Sci & Engn, POB 6250, Kathmandu, Nepal.
2.Lappeenranta Univ Technol, Lab Green Chem, Mikkeli, Finland.
3.Himalayan Environm Res Inst, Kathmandu, Nepal.
4.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China.
5.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
6.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 10085, Peoples R China.
7.Hedmark Univ Appl Sci, Fac Appl Ecol & Agr Sci, Elverum, Norway.

Recommended Citation:
Pandey, A ,Sharma, CM ,Kang, S ,et al. Mercury Concentrations in the Fish Community from Indrawati River, Nepal[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2017,99(4):500-505.
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