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Mercury Concentrations in the Fish Community from Indrawati River, Nepal
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; Sharma, CM
Source PublicationBULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
2017
Volume99Issue:4Pages:500-505
DOI10.1007/s00128-017-2161-z
AbstractThis 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.
Subject Area自然地理学
WOS IDWOS:000411900300014
Language英语
Indexed BySCI
KeywordFresh-water Lake Phewa Bioaccumulation Accumulation Exposure
WOS Research AreaEnvironmental Sciences & Ecology; Toxicology
WOS SubjectEnvironmental Sciences; Toxicology
Cooperation Status国际
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Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7980
Collection图书馆
Corresponding AuthorSharma, CM
Affiliation1.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
GB/T 7714
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.
APA Pandey, A .,Sharma, CM .,Kang, S .,Zhang, QG .,Tripathee, L .,...&Sharma, CM.(2017).Mercury Concentrations in the Fish Community from Indrawati River, Nepal.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,99(4),500-505.
MLA Pandey, A ,et al."Mercury Concentrations in the Fish Community from Indrawati River, Nepal".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 99.4(2017):500-505.
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