Radionuclides content in tissues and organs of pumpkinseed Lepomis gibbosus (Linnaeus, 1758) from the Zaporizhzhia (Dnipro) reservoir

• Autorzy: Marenkov O.M. , Nasterenko O.S.
• Języki publikacji: EN

Abstrakty

EN

The article presents the results of studies on the content of artificial (¹³⁷Cs, ⁹⁰Sr) and natural radionuclides (²²⁶Ra, ²³²Th, ⁴⁰K) in tissues and organs of various individuals of pumpkinseed Lepomis gibbosus (Linnaeus, 1758) from the Zaporizhzhia (Dnipro) reservoir. It has been revealed that in the bones of sexually mature pumpkinseed females, the content of radionuclides ¹³⁷Cs and⁹⁰Sr is 24.7% and 28.6% less, respectively, than in the bones of males. Summing up the materials of radioecological studies of 2017–2018, the following sequence of tissues and organs of the pumpkinseed by the ability to accumulate radionuclides was obtained: bone> muscle> scales> gills. Research results can be useful for further study on the fish radiation load in the basins of the Dnipro River and during monitoring radioecological research. It was determined that the content of radionuclides in the pumpkinseed muscles did not exceed the permissible levels of radionuclide content for fish as a food product (permissible levels of radionuclide content for ¹³⁷Cs – 150 Bq/kg, ⁹⁰Sr – 35 Bq/kg).

Słowa kluczowe

EN

Dniepr Reservoir; fish; pumpkinseed [zool.]; Lepomis gibbosus; osseous tissue; radionuclide; artificial radionuclide; natural radionuclide; radioecology; 90 strontium

• Wydawca: -
• Czasopismo: International Letters of Natural Sciences
• Rocznik: 2020
• Tom: 79
• Opis fizyczny: p.16-22,fig.,ref.

Twórcy

autor

Marenkov O.M.

• Scientific Research Laboratory of Hydrobiology, Ichthyology and Radiobiology, Scientific Research Institute of Biolog, Oles Honchar Dnipro National University, Dnipro, Ukraine

autor

Nasterenko O.S.

• Scientific Research Laboratory of Hydrobiology, Ichthyology and Radiobiology, Scientific Research Institute of Biolog, Oles Honchar Dnipro National University, Dnipro, Ukraine

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Identyfikatory

DOI

10.18052/www.scipress.com/ILNS.79.16