Accumulation Variations of selected heavy metals in Barbus xanthopterus in Karoon and Dez Rivers of Khuzestan, Iran
M. Mohammadi * 1 , A. Askary Sary , M. Khodadadi
1- , M40.Mohammadi@gmail.com
Abstract: (13071 Views)
The
concentration s of Cd, Pb, Ni and Hg were
determined in gill, liver and muscle of Barbus xanthopterus in down streams of Karoon and Dez River s
during summer 2009. Heavy metal concentration s
varied significantly, depending on the types of the tissue in fish species. The
levels of heavy metals such as Cd, Pb, Ni and Hg in the Barbus xanthopteru s
of Karoon River were higher than in Barbus xanthopterus of Dez River (P<0.05). In Karoon and Dez Rivers, the concentrations of
Cd, Pb and Ni were in the sequence gill>liver>muscle .
The concentration of Hg in Karoon River was in the
sequence liver> gill> muscle but,
in Dez River, it was in the sequence liver> muscle > gill. Among
heavy metals (Cd, Pb, Ni and Hg), the accumulation of Pb was more
than other heavy metals in fish (P<0.05). In both rivers, the accumulation of
heavy metals in muscle of fish was higher than the world health organization
(WHO) standard.
Keywords: Heavy metal , Barbus xanthopterus , Karoon , Dez , Khuzestan , Iran
Full-Text [PDF 607 kb]
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Type of Study: Orginal research papers |
Subject:
Toxicology ePublished: 2012/04/15
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