Nuclear Physics and Atomic Energy

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Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
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Nucl. Phys. At. Energy 2018, volume 19, issue 4, pages 383-391.
Section: Radiobiology and radioecology.
Received: 12.07.2018; Accepted: 11.10.2018; Published online: 14.02.2019.
PDF Full text (ua)
https://doi.org/10.15407/jnpae2018.04.383

137Cs content in European blueberry (Vaccinium Myrtillus L.) in forests of Ukrainian Polissia in different periods after the accident at ChNPP

V. P. Krasnov1,*, O. O. Orlov2, O. V. Zborovska2, O. V. Zhukovsky2, T. V. Kurbet1, Z. M. Shelest1, I. V. Davydova1

1 Zhytomyr State Technological University, Zhytomyr, Ukraine
2 G. M. Vysotskyi Polissia Branch of Ukrainian Research Institute of Forestry and Forest Melioration, Dovzhyk, Zhytomyr region, Ukraine


*Corresponding author. E-mail address: volodkrasnov@gmail.com

Abstract: It has been established that intensive penetration of 137Cs both into the above-ground part of phytomass and blueberry is continuing at present. The transition coefficients of 137Cs (m2×kg-1×10-3) in the above-ground part of European blueberry (17 - 53) are significantly higher than in berries (4 - 8). The decrease of the levels of 137Cs radioactive contamination in above-ground phytomass and European blueberry during the observation period was revealed. 137Cs specific activity in European blueberry decreased by 3.7 - 8.3 times, and the same indicator in the above-ground part of the phytomass decreased by 8.2 - 19.2 times during 1991 - 2016. The upper 0 - 10 cm layer of soil mineral part of moist subrory contains 69.9 % of the radionuclide total activity in soil. The highest value of this indicator was observed in 0 - 2 cm soil layer Ė 28.4 ± 2.0 %. The highest 137Cs specific activity was observed in the decomposed part of the forest litter and the upper 0 - 2 cm layer of the humus-eluvial horizon.

Keywords: radionuclides, European blueberry, berries, above-ground phytomass, soil radiation contamination, specific activity of radionuclides, soddy-podzolic soils.

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