Nuclear Physics and Atomic Energy

ядерна ф≥зика та енергетика
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
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

  Open access peer reviewed journal

 Home page   About 
Nucl. Phys. At. Energy 2019, volume 20, issue 1, pages 51-59.
Section: Radiobiology and Radioecology.
Received: 16.01.2019; Accepted: 17.04.2019; Published online: 26.06.2019.
PDF Full text (ru)

137Cs and 40K in the needles and branches of scotch pine (Pinus sylvestris L.) on the territory of Chornobyl Exclusion Zone

N. E. Zarubina*

Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kyiv, Ukraine

*Corresponding author. E-mail address:

Abstract: Changes of the 137Cs and 40K content during a year in the plants of forest ecosystems were investigated on the territory of the "Paryshev" sampling area (the Chornobyl NPP exclusion zone). One- and two-year-old needles and branches of P. sylvestris were used as objects of study. Samples were se-lected at intervals of 1 time every two weeks during 2014 and 2015. As a result of the research, it was found that the magnitude of the specific activity of 137Cs and 40K in the needles and branches of P. sylvestris is not constant, but leaped during the year. It has been suggested that fluctuations in the concentrations of activity of these radionuclides in the studied organs of P. sylvestris are associated with their circulation in the chain "soil - fungus-symbiotroph - plant". The correlation coefficients R within 0.5 - 0.68 indicate the existence of direct and moderate relationship between fluctuations in the concentration of 40K and 137Cs activity in the needles and branches of P. sylvestris throughout the year. Probably, the mechanisms of absorption and escape of these radionuclides in P. sylvestris are similar. The content of 40K in the researched organs is higher than the content of 137Cs. It can be connected to the ability of the mycorrhiza to hold radiocaesium (to be a barrier) and to the selective accumulation of potassium by the plant.

Keywords: 137Cs, 40K, circulation, P. sylvestris, Chornobyl NPP exclusion zone.


1. V.M. Shestopalov, V.V. Hudzenko, I.P. Onyshchenko. Study of the ratio of Chornobyl and natural radionuclides in the geological environment. In: Scientific-Practical Conf. "Science. Chernobyl-96". Book of abstracts (Kyiv, 1997) p. 32. (Ukr)

2. S. Yoshida, Y. Muramatsu. Use of stable elements for predicting radionuclide transport. In: Contaminated Forests. Recent Developments in Risk Identification and Future Perspectives. Ed. by Igor Linkov and William R. Schell. (Nethherlands: Kluwer Academic Publishers, 1999) p. 41.

3. C. Ronneau et al. Radiocaesium and potassium behaviour in forest trees. J. Environ. Radioact. 14 (1991) 259.

4. A.V. Bogachev. Migration of caesium-137 and potassium in the "soil - plant" system. In: Facts, Patterns, Hypotheses (Moscow, 1997) p. 7 (Rus)

5. D. Marčiulioniene, B. Lukšiene, O. Jefanova. Accumulation and translocation peculiarities of 137Cs and 40K in the soil plant system. J. Environ. Radioact. 150 (2015) 86.

6. P.F. Bondar, N.A. Loschilov, N.L. Svidenyuk. Accumulation of radionuclides and stable elements in crop yields. In: Radiobiological Congress (Kyiv, Sept. 20 - 25, 1993). Abstracts. Part I. (Pushchino, 1993) p. 131. (Rus)

7. N.G. Mitchell, P.J. Coughtrey, J.A. Kirton. Effects of calcium, potassium, rubidium and various fertilizers on radiocaesium transfers in field and experimental conditions. In: Transfer of Radionuclides in Natural and Semi-Natural Environment. Eds. G. Desmet et al. (London Ц New-York: Elsevier Applied Science, 1990) p. 387.

8. D. Jackson, A.F. Nisbet. The effect of fertilizer treatment, soil, pH and grazing on the transfer of radiocaesium to upland fell vegetation. In: Transfer of Radionuclides in Natural and Semi-Natural Environment. Eds. G. Desmet et al. (London Ц New-York: Elsevier Applied Science, 1990) p. 395.

9. P.A. Cawse. Influence of organic and inorganic fertilizer on soil to plant transfer of radioactive caesium and K-40 to ryegrass in W. Cambria (post-Chernobyl). In: Transfer of Radionuclides in Natural and Semi-Natural Environment. Eds. G. Desmet et al. (London Ц New-York: Elsevier Applied Science, 1990) p. 411.

10. K. Rosen, M. Vinichuk. Potassium fertilization and 137Cs transfer from soil to grass and barley in Sweden after the Chernobyl fallout. J. Environ. Radioact. 130 (2014) 22.

11. M. Greger. Uptake of nuclides by plants. Technical Report TR-04-14 (2004) 71 p.

12. V. Gyuricza, H.D. de Boulois, S. Declerck. Effect of potassium and phosphorus on the transport of radio caesium by arbuscular mycorrhizal fungi. J. Environ. Radioact. 101 (2010) 482.

13. M. Vinichuk et al. Correlations between potassium, rubidium and caesium (133Cs and 137Cs) in sporocarps of Suillus variegatus in a Swedish boreal forest. J. Environ. Radioact. 102 (2011) 386.

14. S.S. Ismail. Distribution of Na, K, Rb, Cs, and 137Cs in some Austrian higher fungi. Biol. Trace Elem. Res. 43-45 (1994) 707.

15. S. Yoshida, Y. Muramatsu. Concentration of alkali and alkaline earth elements in mushrooms and plants collected in a Japanese pine forest, and their relationship with 137Cs. J. Environ. Radioact. 41(2) (1998) 183.

16. M. Vinichuk et al. Accumulation of potassium, rubidium and caesium (133Cs and 137Cs) in various fractions of soil and fungi in a Swedish forest. Sci. Total Environ. 408 (2010) 2543.

17. M.M. Vinichuk, K.J. Johanson. Accumulation of 137Cs by fungal mycelium in forest ecosystems of Ukraine. J. Environ. Radioact. 64 (2003) 27.

18. A. Baeza et al. Radiocaesium and natural gamma emitters in mushrooms collected in Spain. Sci. Total Environ. 318 (2004) 59.

19. N.Ye. Zarubina, O.L. Zarubin. Seasonal variation in the content of 137Cs in different objects of forest ecosystems in Chernobyl exclusion zone. Yaderna Fizyka ta Energetyka (Nucl. Phys. At. Energy) 19(1) (2018) 48. (Rus)

20. P.S. Pogrebnyak. Fundamentals of Forest Typology (Kyiv: Publishing House of the Academy of Sciences of the Ukrainian SSR, 1955) 456 p. (Rus)

21. The project of the organization and development of forestry of the State Specialized Enterprise "PIVNICHNA PUSHCHA" (Irpin: Ukranian State Forest Project Administration, 2017) p. 119 (Ukr)

22. N.P. Anuchin. Forest Taxation (Moscow: Lesnaya Promyshlennost', 1982) 552 p. (Rus)

23. Trial forest management areas. Method of laying: SOU 02.02-37-476: 2006. [Effective from 2007-01-05] (Kyiv: Ministry of Agrarian Policy of Ukraine, 2006) 32 p. (Ukr)

24. Eu.P. Odum. Fundamentals of Ecology (Philadelphia - London - Toronto, 1971) 532 p. Google books

25. E. Libbert. Plant Physiology (Moscow: Mir, 1976) 580 p. (Rus)

26. P-J. White, M.R. Broadley. Mechanisms of caesium uptake by plants. New Phytol. 147 (2000) 241.

27. P.D. Kramer, T.T. Kozlovsky. Physiology of Woody Plants (Moscow: Lesnaya Promyshlennost', 1983) 464 p. (Rus)

28. J. Dighton, G.M. Terry. Uptake and immobilization of caesium in UK grassland and forest soils by fungi, following the Chernobyl accident. In: Fungi and Environmental Change. Eds. J.C. Frankland, N. Magan, G.M. Gadd (Cambridge: Cambridge University Press, 1996) p. 184.

29. O. Guillitte, A. Fraiture, J. Lambinon. In: Transfer of Radionuclides in Natural and Semi-Natural Environment. Eds. G. Desmet et al. (London Ц New-York: Elsevier Applied Science, 1990) p. 468.

30. S. Yoshida, Y. Muramatsu, M. Ogawa. Radiocaesium concentrations in mushrooms collected in Japan. J. Environ. Radioact. 22 (1994) 141.

31. Y. Muramatsu, S. Yoshida, M. Sumjya. Concentration of radiocaesium and potassium in basidiomycetes collected in Japan. Sci. Total Environ. 105 (1991) 29.

32. V.N. Fedorov. Accumulation of radionuclides by fungi in areas of radioactive contamination. In: Radioactive Contamination of the Vegetation of Belarus. Eds. V.I. Parfenov, B.I. Yakushev (Minsk: Navuka i tekhnika, 1995) p. 190. (Rus)

33. V.V. Trukhonovets, V.I. Fomina, A.N. Perevolotsky. The content of Cs-137 in the fruit bodies of some wood-destroying fungi. In: Abstracts of the Int. Sci. Conf. "Fundamental and Applied Aspects of Radiobiology: Biological Effects of Low Doses and Radioactive Pollution of the Environment" (Minsk, 1998) p. 247. (Rus)

34. Forest. Person. Chernobyl. Forest Ecosystems after the Accident at the Chernobyl Nuclear Power Plant: State, Forecast, Population Response, Ways of Rehabilitation. Ed. V.A. Ipatiev (Gomel: Forestry Institute of the National Academy of Sciences of Belarus, 1999) 452 p. (Rus)

35. K. Johanson et al. Activity Concentrations of 137Cs in Moose and Their Forage Plants in Mid-Sweden. J. Environ. Radioact. 22 (1994) 251.