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Concentrations of Heavy Metals in Muscle with Relation to the Growth of Two Marine Fish Species

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【作者】 Le Quang DungNguyen Viet LinhNguyen Xuan ThanhNguyen Duc CuVu Van TuTakaomi Arai

【Author】 Le Quang Dung;Nguyen Viet Linh;Nguyen Xuan Thanh;Nguyen Duc Cu;Vu Van Tu;Takaomi Arai;Institute of Marine Environment and Resources,Vietnam Academic of Science and Technology;Institute of Oceanography and Environment,Universiti Malaysia Terengganu;Institute of Environmental Technology,Vietnam Academic of Science and Technology;

【机构】 Institute of Marine Environment and Resources,Vietnam Academic of Science and TechnologyInstitute of Oceanography and Environment,Universiti Malaysia TerengganuInstitute of Environmental Technology,Vietnam Academic of Science and Technology

【摘要】 Heavy metal concentrations in muscle and their relation to thegrowth of two marine fish species,including tonguefish( Cynoglossus arel) and mullet( Mugil cephalus),were studied. The samples were collected in Bach Dang estuary andconcentrations of heavy metals( As,Cd,Co,Mn,Cu,Zn,Pb,and V) in muscle of the fisheswere determined. The result showed that the accumulated trend of heavy metal is different between fish species. The concentration of As,Zn,Mn,V,Cu,Pb,Co and Cd in tonguefish were 73. 7 ± 30. 6,22. 82 ± 4.87,3. 44 ± 2. 13,1. 61 ± 0. 15,0. 71 ± 0. 13,0. 45 ± 0. 24,0. 03 ± 0. 02 and 0. 02 ± 0. 02 mg·g-1,respectively. Meanwhile the concentration of Zn,As,V,Mn,Cu,Pb,Co and Cd in mullet were 83. 41 ±19. 68,9. 78 ± 1. 92,1. 36 ± 0. 54,1. 29 ± 0. 51,0. 65 ± 0. 12,0. 42 ± 0. 20,0. 06 ± 0. 03 and0. 03 ± 0. 01mg·g-1,respectively. Comparison of metal levels among thesespecies indicated that the concentrations of As and Mn in tonguefish were significantly higher than those in mullet,whereas Zn levels in mullet were found to be higher than that in tonguefish. There is no significant differences of Cd,Co,Cu,Pb and V levels in muscle between two species. Significant inversed relationshipsbetween concentration levels of metals and lengths of tonguefish were found for Mn,Cu and Zn,butnot for As,Cd,Pb,and V. There were no significant relationships between the heavy metal concentrations and the length of mullet. In general,decreasesof the heavy metal concentrations corresponded to the increases of fish body lengths,particularly for As,Co,Cu,Mn and V and the exception for Cd. Terefore reduced risks were associated with consuming biggermullet fish,and increased risks of As and Cd were associated with consuming bigger tonguefish in Bach Dang river mouth.

【基金】 supported by Vietnam Academic of Science and Technology,No.VAST.DT.06/12-13;by the Asian CORE Program of JSPS
【所属期刊栏目】 专论 (2015年03期)
  • 【分类号】X171.5;X174
  • 【下载频次】36
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