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. 2014:2014:306103.
doi: 10.1155/2014/306103. Epub 2014 Mar 16.

Accumulation of heavy metals in crayfish and fish from selected Czech reservoirs

Iryna Kuklina  1 , Antonín Kouba  1 , Miloš Buřič  1 , Ivona Horká  2 , Zdeněk Duriš  2 , Pavel Kozák  1
Affiliations

Accumulation of heavy metals in crayfish and fish from selected Czech reservoirs

Iryna Kuklina et al. Biomed Res Int. 2014.

Abstract

To evaluate the accumulation of aluminium, cadmium, chromium, copper, lead, mercury, nickel, and zinc in crayfish and fish organ tissues, specimens from three drinking water reservoirs (Boskovice, Landštejn, and Nová Říše) and one contaminated site (Darkovské moře) in the Czech Republic were examined. Crayfish hepatopancreas was confirmed to be the primary accumulating site for the majority of metals (Cu > Zn > Ni > Cd > Cr), while Hg and Cr were concentrated in abdominal muscle, and Al and Pb were concentrated in gill. Metals found in Nová Říše specimens included Cu > Zn > Ni and those found in Boskovice included Zn > Hg > Cr. Cd concentrations were observed only in Landštejn specimens, while contaminated Darkovské moře specimens showed the highest levels of accumulation (Cu > Al > Zn > Pb). The majority of evaluated metals were found in higher concentrations in crayfish: Cu > Al > Zn > Ni > Cr > Cd > Pb, with Hg being the only metal accumulating higher in fish. Due to accumulation similarities of Al in crayfish and fish gill, differences of Hg in muscle, and features noted for the remaining metals in examined tissues, biomonitoring should incorporate both crayfish and fish to produce more relevant water quality surveys.

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Figures

Figure 1
Figure 1
Concentration of metals (zinc, cadmium, lead, copper, nickel, chromium, mercury) in crayfish organ tissues (n = 10, for each tissue): hepatopancreas, abdominal muscle, gill. Averages of combined locality data are presented. An ordinate is presented in logarithmic scale.
Figure 2
Figure 2
Concentration of metals (zinc, cadmium, lead, copper, nickel, chromium, mercury) in crayfish (n = 10, for each site) from selected localities (Boskovice, Landštejn, Nová Říše, Darkovské moře). Averages of combined data, abdominal muscle, hepatopancreas, and gill are presented. An ordinate is presented in logarithmic scale.
Figure 3
Figure 3
Concentration of metals (zinc, cadmium, lead, copper, mercury, and aluminium) in crayfish tissue (abdominal muscle, hepatopancreas, gill) and fish muscle from selected water storage reservoirs: Boskovice (B, crayfish n = 10, fish n = 6), Landštejn (L, crayfish n = 10, fish n = 5), Nová Říše (N, crayfish n = 10, fish n = 5). An ordinate is presented in logarithmic scale.
Figure 4
Figure 4
Concentration of selected metals (zinc, cadmium, lead, copper, mercury) in crayfish (n = 30) abdominal muscle and fish (n = 16) muscle throughout water reservoirs (means of combined data Boskovice, Landštejn, Nová Říše). An ordinate is presented in logarithmic scale.
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