Table 1 Total, internal and external dose rates estimated in adult Hyla japonica males during the breeding season (20 June – 9 July 2012). Ambient dose rates are also indicated.

From: Carotenoid distribution in wild Japanese tree frogs (Hyla japonica) exposed to ionizing radiation in Fukushima

Sites

Total dose rate (µGy/h)

Internal dose rate (µGy/h)

External dose rate (µGy/h)

Ambient dose rate (µGy/h*)

S1

0.42 ± 0.22 (0.18–1.10)

0.30 ± 0.22 (0.06–0.98)

0.12 ± 0.02 (0.09–0.19)

0.61 ± 0.04

S2

0.45 ± 0.19 (0.17–0.85)

0.31 ± 0.20 (0.04–0.73)

0.14 ± 0.03 (0.12–0.20)

0.52 ± 0.09

S3

0.49 ± 0.34 (0.19–1.43)

0.33 ± 0.34 (0.03–1.27)

0.16 ± 0.02 (0.14–0.22)

0.15 ± 0.04

S4

1.13 ± 0.44 (0.59–2.13)

1.01 ± 0.44 (0.47–1.98)

0.12 ± 0.01 (0.12–0.15)

1.76 ± 0.38

S5

6.68 ± 3.87 (2.56–11.07)

6.19 ± 3.87 (2.06–10.58)

0.50 ± 0.00 (0.49–0.50)

6.49 ± 1.51

S6

10.89 ± 4.81 (4.50–22.55)

10.02 ± 4.81 (3.64–21.68)

0.87 ± 0.02 (0.85–0.93)

6.81 ± 1.52

S7

20.82 ± 7.35 (9.96–34.20)

19.22 ± 7.33 (8.38–32.62)

1.60 ± 0.04 (1.57–1.71)

7.91 ± 1.41

  1. Mean ± SD. Range is shown in parentheses.
  2. *Under the hypotheses of radiation coming mainly from gamma emitters, we  assumed that 1µSv/h = 1µGy/h.
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