Comparative analysis of benzo(a)pyrene accumulative ability in the organs of aquatic organisms living at the coastal zone of Northern and Central Caspian Sea areas of Kazakhstan

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Research Paper 01/11/2015
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Comparative analysis of benzo(a)pyrene accumulative ability in the organs of aquatic organisms living at the coastal zone of Northern and Central Caspian Sea areas of Kazakhstan

Zh. Kenzhin
J. Bio. Env. Sci.7( 5), 19-26, November 2015.
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The aim of the study was the accumulative ability of the oil product benzo(a)pyrene in organs and tissues of fish species widespread in several Northern and Central Caspian Seas areas Abramis sapa P., Sander lucioperca L and Central Neogobius melanostomus P., Rutilus rutilus caspicus Y. This research focuses on these species because they are the main biomarkers of water in the study area and have considerable analytical value for the condition of its environment as it relates to benzo(a)pyrene. This work studies benzo(a)pyrene accumulation level in somatic and reproductive cells and organs of the presented fish species which are widely distributed at several biologically significant sites of the Caspian Sea, using the standard method of high performance gas-liquid chromatography (HPGLC). The presence of the studied chemical element in fish organs also demonstrated its accumulative effect in two different areas. The content of benzo(a)pyrene in the waters of the Northern Caspian Sea and the Ural River and benzo(a)pyrene’s migration capability are also highlighted in this study. One of the main results of the work was the determination of positive correlation between the levels and frequency of accumulation of the presented chemical in tissue organs of the investigated species in two separate sites of Northern and Central areas of the Caspian Sea.


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