KnE Engineering

ISSN: 2518-6841

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Morphometric Measurements of Scots Pine Needles from Radioactively Contaminated Area

Published date:Feb 21 2018

Journal Title: KnE Engineering

Issue title: XIII International Youth Scientific and Practical Conference "FUTURE OF ATOMIC ENERGY - AtomFuture 2017"

Pages:8-13

DOI: 10.18502/keg.v3i3.1601

Authors:
Abstract:

The morphometric indices of needles were investigated in chronically irradiated Scots pine (Pinus sylvestris L.) populations from territories that were heavily contaminated by radionuclides as a result of the Chernobyl Nuclear Power Plant accident. The variability in needle weight and length, as well as the fluctuating asymmetry indices were studied in seven contaminated and two reference populations of Scots pine in 2011, 2013, 2014 and 2016. The weight of needles in the contaminated populations was significantly higher than in the reference population; however, the dependence of this index on the level of radiation exposure was not revealed in the studied range of doses. The length of needles differed significantly from the references populations. The effect changed from decreasing to increasing in various years of observation; however, in 2016 this index decreased with the dose rate of β-radiation. The index of fluctuating asymmetry in needle length was significantly higher than at the reference sites during three years and correlated to the estimated annual absorbed dose in 2011 and 2013. No relationship was revealed between the asymmetry in weight of paired needles and radiation exposure.

References:

[1] S. Geras’kin, A. Oudalova, N. Dikareva, S. Spiridonov, T. Hinton, E. Chernonog, J. Garnier-Laplace, “Effects of radioactive contamination on Scots pines in the remote period after the Chernobyl accident”, Ecotoxicology, vol. 20, pp. 1195–1208, 2011.


[2] ICRP (International Commission on Radiological Protection), 2007. The 2007 Recommendations of the International Commission on Radiological Protection. ICRP Publication 103. Ann ICRP 37.


[3] M.V. Kozlov, P. Niemela, J. Junttila, “Needle fluctuating asymmetry is a sensitive indicator of pollution impact on Scots pine (Pinus sylvestris)”, Ecological Indicators, vol. 1, pp. 271–277, 2002.


[4] G.M. Kozubov, and A.I. Taskaev, 2002. Radiobiology investigations of conifers in the region of the Chernobyl disaster (1986-2001). Moscow, Russian: PPC ”Design. Information. Cartography”.


[5] L.A. Lutova, T.A. Ezhova, I.E. Dodueva, and M.A. Osipova, 2010. Genetics of the Plant Ontogenesis. St. Petersburg, Russian: Publ. House N-L.


[6] A.P. Møller, and J.P. Swaddle, 1997. Asymmetry, Developmental Stability and Evolution. Oxford, UK: Oxford University Press.


[7] A. P. Møller, “Developmental instability of plants and radiation from Chernobyl”, Oikos, vol. 81, No. 3, pp. 444–448, 1998.


[8] A.R. Palmer, C. Strobeck, “Fluctuating asymmetry: measurement, analysis, patterns”, Annual Review of Ecology and Systematics, vol. 17, pp. 391–421, 1986.


[9] S.I. Spiridonov, S.V. Fesenko, S.A. Geras’kin, V.M. Solomatin, Ye.I. Karpenko, “The dose estimation of woody plants in the long-term after the Chernobyl accident”, Radiation Biology. Radioecology, vol. 48, No. 4, pp. 432–438, 2008. (in Russian).

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