On the long-term behaviour of in the soil–plant system and its transfer from feed to pig

Handl, J.; Kallweit, Erhard; Henning, Miranda H.; Szwec, Lars

doi:10.1016/s0265-931x(99)00066-1

Cited by 14 publications

(12 citation statements)

References 9 publications

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“…34 ) If we define “the residence half time for 110m Ag in soil” as the time required for one-half of an acute 110m Ag deposit to pass through the soil layer of interest, the residence half time resulting from the migration velocity of Ag + within the 5-cm soil top layer would be 33 ± 3 years. 12 ) Therefore, the vertical migration of 110m Ag may be highly dependent on the soil type.…”

Section: Discussionmentioning

confidence: 99%

“… 7 – 9 ) Studies on cattle such as oxen, lambs and sheep revealed that distinct accumulation of 110m Ag was rather restricted to liver with the biological half-life of 35 days in the case of sheep. 6 , 10 – 12 ) In contrast to these studies, contamination of terrestrial wild fauna involving small insects and animals remained very scarce.…”

Section: Introductionmentioning

confidence: 99%

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Discovery of radioactive silver (<sup>110m</sup>Ag) in spiders and other fauna in the terrestrial environment after the meltdown of Fukushima Dai-ichi nuclear power plant

Nakanishi

Mori

Takeda

et al. 2015

Proceedings of the Japan Academy. Ser. B: Physical and Biologic

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Six months after the explosion of TEPCO’s Fukushima Dai-ichi nuclear power plant, radioactive silver (110mAg), was detected in concentrations of 3754 Bq/kg in Nephila clavata (the orb-web spider; Joro-gumo in Japanese) collected at Nimaibashi, Iitate village in Fukushima Prefecture, whereas 110mAg in the soil was 43.1 Bq/kg. A survey of 35 faunal species in the terrestrial environment during the 3.5 years after the accident showed that most of Anthropoda had two orders higher 110mAg in their tissues than soils, although silver is not an essential element for their life. However, tracing of the activity of 110mAg detected in spider Atypus karschi collected regularly at a fixed location showed that it declined much faster than the physical half-life. These results suggest that 110mAg was at once biologically concentrated by faunal species, especially Arthropoda, through food chain. The factors affecting the subsequent rapid decline of 110mAg concentration in faunal species are discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Discovery of radioactive silver (<sup>110m</sup>Ag) in spiders and other fauna in the terrestrial environment after the meltdown of Fukushima Dai-ichi nuclear power plant

Nakanishi

Mori

Takeda

et al. 2015

Proceedings of the Japan Academy. Ser. B: Physical and Biologic

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“…For iodine in meat, the recent review of Thorne (2003) was considered. Silver data published by Handl et al (2000) showed high transfer factors for some organs in pigs and consequently the PDF proposed by Ng (1982) was extended to higher values to take into account the potential consumption of more contaminated organs. For Co and Mn in meat, the PDF proposed by Ng (1982) was considered.…”

Section: Animal Productsmentioning

confidence: 99%

“…Consequently, for these two radionuclides, the PDF obtained for Cs was considered. For Ag, data of Coughtrey et al (1983) and Handl et al (2000) were used to propose a uniform PDF. Biological half-lives data for milk are scarce and consequently, in order to compare values, information was also collected for elements not investigated in this study (Table 12).…”

Section: Animal Productsmentioning

confidence: 99%

A dynamic model for assessing radiological consequences of routine releases in the Loire river: parameterisation and uncertainty/sensitivity analysis

Ciffroy

Siclet

Damois

et al. 2005

Journal of Environmental Radioactivity

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“…The uptake of Ag by higher plants has been studied by for example Handl et al [5] who carried out a long-term investigation on the l l0mAg behavior in the soil-plant system and found that the temporal change of the Ag + uptake into forage was negligible mainly due to the low mobility of silver in the soil. The authors estimated the mean grass/soil concentration factor to be about 1.3_+0.5x10 -2 during a 59-month observation period.…”

Section: Introductionmentioning

confidence: 99%

A study of 110mAg in aquatic and terrestrial ecosystems

Shang

Leung

2003

Radiat Environ Biophys

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Experiments on a simulated terrestrial agricultural ecosystem were carried out using the pot culture approach. The most representative plants in local vegetable gardens were selected to investigate the root uptake of (110m)Ag. The results show that carrot, kale and flowering cabbage have the largest transfer factor values among the vegetables. Flowering cabbage, as the most popular leafy vegetable in Hong Kong and the South China area, can be used as a biomonitor for radioisotope contamination in vegetables. Soil column and adsorption tests were also carried out to study the leaching ability of the silver isotope in soil and (110m)Ag was mainly adsorbed in the top 1 cm of soil regardless of the pH value. Experiments on a simulated aquatic ecosystem for freshwater fish and marine organisms were carried out in glass aquaria. The freshwater fish Cyprinus carpio, the marine fish Cuvier and some local abundant seashore molluscs were selected to investigate the kinetic metabolism of (110m)Ag in the compartmental system. The results show that molluscs absorb (110m)Ag much more than fish. Clibanarius infraspinatus has the largest concentration factor among the marine organisms selected. Fish liver, although representing a minor portion of the total body mass, shows the highest (110m)Ag concentration factor, whereas muscle, although representing a major portion of the total body mass, is characterized by an absence of (110m)Ag.

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On the long-term behaviour of in the soil–plant system and its transfer from feed to pig

Cited by 14 publications

References 9 publications

Discovery of radioactive silver (<sup>110m</sup>Ag) in spiders and other fauna in the terrestrial environment after the meltdown of Fukushima Dai-ichi nuclear power plant

Discovery of radioactive silver (<sup>110m</sup>Ag) in spiders and other fauna in the terrestrial environment after the meltdown of Fukushima Dai-ichi nuclear power plant

A dynamic model for assessing radiological consequences of routine releases in the Loire river: parameterisation and uncertainty/sensitivity analysis

A study of 110mAg in aquatic and terrestrial ecosystems

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