Temporal Changes in Concentrations of Some Trace Elements in Muscle Tissue of Crayfish, Astacus leptodactylus (Eschscholtz, 1823), from Keban Dam Lake

Crayfish (Astacus leptodactylus Eschscholtz, 1823) is the native crayfish species in Turkey. It was exported regularly to Western Europe. In this study, bioaccumulation and temporal trends of some trace elements (arsenic: As, cadmium: Cd, copper: Cu, mercury: Hg, lead: Pb, and zinc: Zn) in edible ab...

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Bibliographic Details
Published in:Bioinorganic Chemistry and Applications 2014-01, Vol.2014 (2014), p.21-24
Main Authors: Ates, Mustafa, Seker, Sebahat, Danabas, Durali, Seyhaneyildiz Can, Safak, Yildirim, Numan, Demir, Veysel, Aksu, Onder, Adiguzel, Ragip
Format: Article
Language:English
Subjects:
Aquaculture
Astacus leptodactylus
Bioaccumulation
Cambaridae
Carcinogens
Chemical properties
Contamination
Crayfish
Crustaceans
Environmental engineering
Enzymes
Fish
Food
Freshwater
Identification and classification
Methods
Micropollutants
Nonferrous metals
Pollutants
Studies
Trace analysis
Water quality
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Summary:Crayfish (Astacus leptodactylus Eschscholtz, 1823) is the native crayfish species in Turkey. It was exported regularly to Western Europe. In this study, bioaccumulation and temporal trends of some trace elements (arsenic: As, cadmium: Cd, copper: Cu, mercury: Hg, lead: Pb, and zinc: Zn) in edible abdomen muscle of crayfish from Keban Dam Lake (Elazığ, Turkey) were investigated for the 2006–2012 period. Sequence of metal concentration levels was Zn > Cu > Hg > Pb > Cd > As in muscle tissues. The highest concentration of Zn (21.69 mg kg−1) was detected in 2006, while the lowest (4.35 mg kg−1) in 2009. In general, it was found that the concentrations of trace elements investigated were lower than the maximum permissible limits of the food regulations of the Ministry of Food, Agriculture, and Livestock (MFAL), the Turkish Food Codex and Commission Regulation (EC). If the crayfish selected for the study are recognized as bioindicators of environmental pollution, then it is possible to conclude that the changes in studied trace elements concentrations in the Keban Dam Lake are being steady.
ISSN:1565-3633
1687-479X
DOI:10.1155/2014/120401