Are radiosensitivity data derived from natural field conditions consistent with data from controlled exposures? A case study of Chernobyl wildlife chronically exposed to low dose rates

Garnier‐Laplace, Jacqueline; Гераськин, С. А.; Della-Vedova, Claire; Beaugelin­-Seiller, K.; Hinton, Thomas G.; Real, Almudena; Oudalova, A.

doi:10.1016/j.jenvrad.2012.01.013

Cited by 176 publications

(104 citation statements)

References 35 publications

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“…The study calculated the effective dose based on the consumption of meat from the cattle in this region. The study reported high activity concentration of 40 K in the studied cattle organs. However, there are some deficiencies of the study design and presentation that raise questions concerning the validity of the findings.…”

Section: Introductionmentioning

confidence: 64%

“…It is our opinion that given the small sample size, the lack of controls, and an incomplete radioecological analysis, the suggestion that mine tailings are the underlying cause of higher activity concentration of 40 K cannot be justified. In Nigeria, cattle graze on harvested fields and on byproducts of farming that are not needed by the peasant farmers for food.…”

Section: Introductionmentioning

confidence: 97%

“…A recent study by Ademola [1] attempted to measure the activity concentrations of 226 Ra, 232 Th, and 40 K in cattle that were believed to have grazed in the fields around the mining region. The study calculated the effective dose based on the consumption of meat from the cattle in this region.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Estimation of Annual Effective Dose Due to Ingestion of Natural Radionuclides in Cattle in Tin Mining Areas of Jos Plateau, Nigeria: Are Large Mammals Really Affected?

Aliyu¹,

Mousseau²,

Garba³

et al. 2015

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We have read with great interest the paper which was published in Natural Science, 2014 issue number 6 titled "Estimation of annual effective dose due to ingestion of natural radionuclides in cattle in tin mining area of Jos Plateau, Nigeria" [1]. The paper motivated us to use state-of-the-art computational technique to investigate the risks of the tin mining activity in Jos-Plateau, Nigeria on large mammals (e.g. cattle). The Tier 2 Erica Tool assessment was used to estimate the total dose rate and risk quotients of these reference terrestrial animals. Our investigation revealed that the expected and conservative risk quotients of large mammals due to internal and external exposure to enhanced level of radioactivity are 0.05 and 0.16, respectively. Since the risk quotients are less than unity, this indicates that there is less than 5% probability that the screen dose rate (10 µGy•h −1 ) is exceeded. The estimated total dose rate to large mammals is 0.52 µGy•h −1 which is not statistically significant. A critical analysis of [1] is presented in the introductory part of this paper.

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Section: Introductionmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 97%

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Estimation of Annual Effective Dose Due to Ingestion of Natural Radionuclides in Cattle in Tin Mining Areas of Jos Plateau, Nigeria: Are Large Mammals Really Affected?

Aliyu¹,

Mousseau²,

Garba³

et al. 2015

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“…The second is 40 lGy h -1 which is often used by governmental and intergovernmental groups as a level of significance for terrestrial animals [IAEA (1992), UNSCEAR (1996), and USDoE (2002)]. However, it is worth noting that recent ecological studies have suggested chronic exposure to radiation levels below 40 lGy h -1 often result in measurable population effects, and there is currently much discussion of these levels given controversial studies of organisms living in Chernobyl (e.g., Møller and Mousseau 2011;Garnier-Laplace et al 2013).…”

Section: Resultsmentioning

confidence: 99%

Radioecological impacts of tin mining

Aliyu

Mousseau

Ramli

et al. 2015

Ambio

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The tin mining activities in the suburbs of Jos, Plateau State, Nigeria, have resulted in technical enhancement of the natural background radiation as well as higher activity concentrations of primordial radionuclides in the topsoil of mining sites and their environs. Several studies have considered the radiological human health risks of the mining activity; however, to our knowledge no documented study has investigated the radiological impacts on biota. Hence, an attempt is made to assess potential hazards using published data from the literature and the ERICA Tool. This paper considers the effects of mining and milling on terrestrial organisms like shrubs, large mammals, small burrowing mammals, birds (duck), arthropods (earth worm), grasses, and herbs. The dose rates and risk quotients to these organisms are computed using conservative values for activity concentrations of natural radionuclides reported in Bitsichi and Bukuru mining areas. The results suggest that grasses, herbs, lichens, bryophytes and shrubs receive total dose rates that are of potential concern. The effects of dose rates to specific indicator species of interest are highlighted and discussed. We conclude that further investigation and proper regulations should be set in place in order to reduce the risk posed by the tin mining activity on biota. This paper also presents a brief overview of the impact of mineral mining on biota based on documented literature for other countries.

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“…Ecologists have long known that perturbations induced by stressors such as harvesting (Fogarty and Murawski, 1998), species introductions (Mack et al, 2000), nutrient addition (Carpenter et al, 1998) or chemical discharges (Fleeger et al, 2003) cannot be entirely grasped from knowledge of the stressor's effects on individual organisms or single-species populations, even when addressed through statistical approaches such as species sensitivity distributions (Forbes and Calow, 2002;Garnier-Laplace et al, 2013;Posthuma et al, 2001). Such effects may act as triggers of perturbation, which propagate through higher levels of biological organization within ecosystems, with ultimate system consequences that may differ radically from those expected based on effects observed at the organism-level.…”

Section: Scientific Limits Of Current Approachesmentioning

confidence: 99%

Using an Ecosystem Approach to complement protection schemes based on organism-level endpoints

Bradshaw

Kapustka²,

Barnthouse³

et al. 2014

Journal of Environmental Radioactivity

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Are radiosensitivity data derived from natural field conditions consistent with data from controlled exposures? A case study of Chernobyl wildlife chronically exposed to low dose rates

Cited by 176 publications

References 35 publications

Estimation of Annual Effective Dose Due to Ingestion of Natural Radionuclides in Cattle in Tin Mining Areas of Jos Plateau, Nigeria: Are Large Mammals Really Affected?

Estimation of Annual Effective Dose Due to Ingestion of Natural Radionuclides in Cattle in Tin Mining Areas of Jos Plateau, Nigeria: Are Large Mammals Really Affected?

Radioecological impacts of tin mining

Using an Ecosystem Approach to complement protection schemes based on organism-level endpoints

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