Radionuclide transfer from soil to fruit

Carini, F.

doi:10.1016/s0265-931x(00)00035-7

Cited by 69 publications

(36 citation statements)

References 24 publications

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“…Within this context, the information concerning the TF obtained in this work is important, since there are not many values of TF for guava available in the literature. Carini [7] has reported the TF value for guava as 1.8 ×10 −3 , in other words, one order of magnitude lower than our result.…”

Section: Resultscontrasting

confidence: 85%

“…Usually, the TF for cesium is higher in tropical fruits than in temperate fruits, and the values obtained must be interpreted by taking into account different soil characteristics. This soil factor was found to be of stronger influence on determining TF than the variability among species [7]. In addition, the soil where the guava tree was cultivated presents a peculiar characteristic.…”

Section: Resultsmentioning

confidence: 90%

“…Usually TF is calculated for homogeneously contaminated soil and depends on the chemical-physical properties of the soil: the concentration of chemical elements in the soil solution depends on soil moisture, pH, cation exchange capacity, quantity of organic matter, microbial activity and fertilizer application. Mass flow and diffusion of chemical elements depend on soil structure and porosity [7]. However, the soil profi le where this guava tree was cultivated, as shown in Figure 1, proves that the 137 Cs concentration in the ground of junkyard II is not homogeneous.…”

Section: Resultsmentioning

confidence: 95%

“…TF is expressed as the ratio between the radionuclide concentration in the dried edible part of the plant and that in the oven dried soil and calculated as follows: TF = (Bq.kg −1 dry fruit weight)/(Bq.kg −1 dry soil weight) [7,8]. Usually TF is calculated for homogeneously contaminated soil and depends on the chemical-physical properties of the soil: the concentration of chemical elements in the soil solution depends on soil moisture, pH, cation exchange capacity, quantity of organic matter, microbial activity and fertilizer application.…”

Section: Resultsmentioning

confidence: 99%

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137Cs distribution in guava trees

Mosquera¹,

Veiga²,

Mangia³

et al. 2004

Braz. J. Phys.

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This paper presents results of 137 Cs concentration measured from a guava tree cultivated after the fi rst decontamination work of one of the sites where the worst Brazilian radiological accident occurred. The present work aims to verify how the 137 Cs is transported and distributed along the tropical trees. Bi-dimensional analyses of the radial distribution of 137 Cs in the main trunk are also presented. Neither symmetrical nor homogeneous behaviors of the specifi c activity distribution in the tree rings were observed.

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Section: Resultscontrasting

confidence: 85%

Section: Resultsmentioning

confidence: 90%

Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 99%

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137Cs distribution in guava trees

Mosquera¹,

Veiga²,

Mangia³

et al. 2004

Braz. J. Phys.

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“…The field investigations of 137 Cs accumulation by raspberry fruits yielded similar results, too: 0.015-0.028. For blackcurrant berries collected in the vicinity of Sellafield the average 137 Cs TF was reported to be 0.015 [10], which is also similar to our values. However, the 60 Co TF to the green phytomass of raspberry shrubs in the 30-km zone around the Chernobyl NPP is 0.006-0.007 [9], which is lower than our values.…”

Section: Radionuclides In Berry Shrubssupporting

confidence: 90%

Accumulation of artificial radionuclides by edible wild mushrooms and berries in the forests of the central part of the Krasnoyarskii Krai

Dementyev

Bolsunovsky

2009

Radioprotection

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Abstract.The study addresses accumulation of radionuclides by mushrooms and berry shrubs from the forest soil in the 30-km area around the MCC (the Krasnoyarskii Krai, Russia). The Suillus granulatus and S. luteus mushrooms have been found to be the best bioindicators in this area. The level of 137 Cs concentration in these species can reach 10 kBq/kg dry mass. The 137 Cs transfer factor (TF) by the mushrooms varies 5-fold among the sites that receive radionuclides from different sources. The level of radionuclide activities accumulated by berry shrubs is 2-3 orders of magnitude lower than the activities accumulated by mushrooms. No relationship has been found between the TFs of radionuclides to the shrubs and the pathway via which the radionuclides enter the soil. The contribution of the dose due to intake of mushrooms and berries to the annual effective dose of internal exposure to residents does not exceed 150 Sv/year and 1.4 Sv/year, respectively, estimated from the registered levels of accumulated 137 Cs.

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Bibliographie

2003

Radioaktivität in Lebensmitteln

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Radionuclide transfer from soil to fruit

Cited by 69 publications

References 24 publications

137Cs distribution in guava trees

137Cs distribution in guava trees

Accumulation of artificial radionuclides by edible wild mushrooms and berries in the forests of the central part of the Krasnoyarskii Krai

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