90Sr, 210Po and 210Pb in lichen and reindeer in Norway

Skuterud, Lavrans; Gwynn, Justin P.; Gaare, E.; Steinnes, E.; Hove, Knut

doi:10.1016/j.jenvrad.2005.04.016

Cited by 35 publications

(18 citation statements)

References 27 publications

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“…At this location activity concentrations of 36 Bq kg −1 d.w. in female reindeer muscle and several hundred Bq kg −1 d.w. in liver were determined [7]. The dry mass to fresh mass ratio was on average 0.3.…”

Section: Resultsmentioning

confidence: 99%

“…For mountainous areas dominated by Alpine vegetation, lichen appears to play a key role in the introduction of 210 Pb into the foodchain. Lichens are slow growing perennials that have high interception potentials for aerosols in precipitation, and therefore contain significantly higher 210 Pb concentrations than vascular plants [7]. Animals feeding on lichens, notably reindeer, have been shown to have relatively high muscle and organ 210 Po and 210 Pb activity concentrations [7].…”

Section: Introductionmentioning

confidence: 99%

“…Lichens are slow growing perennials that have high interception potentials for aerosols in precipitation, and therefore contain significantly higher 210 Pb concentrations than vascular plants [7]. Animals feeding on lichens, notably reindeer, have been shown to have relatively high muscle and organ 210 Po and 210 Pb activity concentrations [7]. For animals not feeding on lichen, entry of 210 Pb and 210 Po into the foodchain presumably primarily occurs through the ingestion of vegetation (with relatively low concomitant activity concentrations relative to lichen), dust and soil.…”

Section: Introductionmentioning

confidence: 99%

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Background radiation dose-rates to non-human biota in a high mountain habitat in Norway

et al. 2009

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Abstract. Determination of background radiation dose-rates is important in the process of assessing risks to the environment from exposure to human activities both in terms of deriving the incremental dose-rate and as a point of reference for evaluating the significance of the exposure level. A consideration of the available literature on naturally occurring radionuclides in wild plants and animals quickly illustrates a paucity of data coverage in numerous cases. Most notable is the lack of comprehensive information for the important dose-forming radionuclides such as 210 Po and 210 Pb. In order to collate data concerning these radioisotopes for components of the ecosystem, field work was conducted in a semi-natural, mountainous location in central Norway. Preliminary (since no correction was made for ingrowth from 210 Pb) whole-body activity concentrations of 210 Po in 2 species of small mammal were commensurate with activity concentrations reported for reindeer muscle sampled at proximate locations, falling at a level of some 10s of Bq kg −1 by fresh weight. Statistical analyses of the data showed that bank vole and shrew 210 Po data constitute different populations with different mean ranks. Unweighted dose-rates attributable to the presence of internally distributed 210 Po were calculated to be 0.07 Gy h −1 for Bank vole.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Background radiation dose-rates to non-human biota in a high mountain habitat in Norway

et al. 2009

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“…The mean annual intakes of 210 Po and 210 Pb in the adult diet are about 58 Bq and 30 Bq, causing effective doses of 0.070 and 0.021 mSv y -1 , respectively (UN-SCEAR 2000). High concentrations of 210 Po have been reported in fish and seafood (Parfenov 1974;UNSCEAR 2000) and in the meat of caribou and reindeer (Holtzman 1966;Kauranen and Miettinen 1969;Persson and Holm 2011;Thomas 1994;Thomas et al 2001;Skuterud et al 2005;Solatie et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Natural variation in 210Po and 210Pb activity concentrations in the urine of Finnish population groups

Muikku

Heikkinen

Solatie

et al. 2011

Radiat Environ Biophys

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A study to determine activity concentrations of (210)Pb and (210)Po in the urine of certain Finnish population groups was conducted, to investigate the variation in natural background level of urinary excretion. The study participants were divided into three groups mainly based on their diet. The first group comprised recreational fishermen and the second group represented people consuming more reindeer meat than an average Finn, while people using drinking water with very high activity concentrations of (210)Po were selected for the third group. The fourth group was a control group. The mean urinary excretion of (210)Po in groups 1 and 2 was 73 and 100 mBq d(-1), respectively. These values were higher than the value of the control group (20 mBq d(-1)) and the mean values reported in the literature. The mean daily urinary excretion of (210)Pb in groups 1 and 2, 70 and 52 mBq d(-1), was also slightly higher than that in the control group (32 mBq d(-1)). In contrast, the excretion rates of both (210)Po and (210)Pb for the members of group 3 were one to two orders of magnitude higher than those reported in the literature. This was clearly due to the elevated levels of natural radionuclides in their drinking water. The present study demonstrates the importance of possessing good knowledge of the background levels, in order to allow the determination of the additional exposure due, for example, to the malevolent use of radiation.

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“…For this reason, studies have focused particularly on 210 Po and 210 Pb activity in soil, moss and lichen samples collected around CFPPs [6][7][8][9][10]12]. According to these studies, activity concentrations of 210 Po and 210 Pb were reported to be much higher in the vicinity of CFPPs when compared to control areas due to the emission of flue gases and fly ash from burning coal.…”

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confidence: 99%

Assessment of 210Po and 210Pb in lichen, moss and soil around Çan coal-fired power plant, Turkey

Belivermiş

Kılıç

Çayır

et al. 2015

J Radioanal Nucl Chem

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This paper deals with determination of 210 Po and 210 Pb activity concentrations using epigeic moss (Hypnum cupressiforme), bushy soil (fruticose) lichen (Cladonia rangiformis) and surface soil samples in the area around Ç an coal-fired power plant, northwest Turkey. Mean activity concentrations of 210 Po and 210 Pb were found to be 303.9 and 425.8 Bq kg -1 for moss, 161.6 and 259.1 Bq kg -1 for lichen, and 79.9 and 91.5 Bq kg -1 for soil samples at dry weight, respectively. We propose that distance and altitude of sampling site may be of significant parameters of distribution of both radionuclides.

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90Sr, 210Po and 210Pb in lichen and reindeer in Norway

Cited by 35 publications

References 27 publications

Background radiation dose-rates to non-human biota in a high mountain habitat in Norway

Background radiation dose-rates to non-human biota in a high mountain habitat in Norway

Natural variation in 210Po and 210Pb activity concentrations in the urine of Finnish population groups

Assessment of 210Po and 210Pb in lichen, moss and soil around Çan coal-fired power plant, Turkey

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