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Caesium-137 in the muscles of game animals in 2015-2022 – levels and time trend


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Fig. 1.

Number of muscle samples tested in particular years
Number of muscle samples tested in particular years

Fig. 2.

Scheme of the analysis HPGe – high-purity germanium radiation detection
Scheme of the analysis HPGe – high-purity germanium radiation detection

Fig. 3.

Average concentrations of caesium-137 in wild boar, roe deer and red deer muscle samples and time trends covering the period from 2015 to 2022
Average concentrations of caesium-137 in wild boar, roe deer and red deer muscle samples and time trends covering the period from 2015 to 2022

Fig. 4.

A – The distribution of radioactive fallout in Poland (Isajenko et al. (17)); B – The highest recorded concentrations of caesium-137 in the muscles of game animals in 2015–2022
A – The distribution of radioactive fallout in Poland (Isajenko et al. (17)); B – The highest recorded concentrations of caesium-137 in the muscles of game animals in 2015–2022

Caesium-137 in the muscle tissue of the studied animals

Parameter Matrix
Boar muscle (Sus scrofa) Roe deer muscle (Capreolus capreolus) Red deer muscle (Cervus elaphus)
Number of samples (n) 508 145 205
Minimum concentration (Bq/kg) 0.130 0.310 0.280
Maximum concentration (Bq/kg) 4,195 111.5 86.67
Average concentration (Bq/kg) 42.84 9.909 5.265
Standard deviation 251.4 16.11 9.952
Median 2.370 3.680 2.570
n > MDA 321 96 127
n < MDA 187 49 78

Concentration ratios (CR) in the muscle tissue of the studied animals and effective equivalent doses of caesium-137 from their consumption

AM (Bq/kg) CR
Year Soil at depth up to 10 cm Boar muscle (Sus scrofa) Roe deer muscle (Capreolus capreolus) Red deer muscle (Cervus elaphus)
2016 13.16 4.365 1.068 0.571
2019 12.50 3.425 0.450 0.545
2020 15.20 1.059 0.301 0.456
Effective equivalent dose (μSv)
2015 0.655 0.148 0.914
2016 0.744 0.183 0.097
2017 0.707 0.119 0.085
2018 0.379 0.126 0.213
2019 0.556 0.073 0.088
2020 0.209 0.060 0.090
2021 1.040 0.063 0.028
2022 0.712 0.075 0.023

Average and ranges of caesium-137 concentrations in wild boar, roe deer and red deer muscle in individual years

Year Wild boar muscle Roe deer muscle Red deer muscle
n Average (Bq/kg) Range n Average (Bq/kg) Range n Average (Bq/kg) Range
Median (Bq/kg) Median (Bq/kg) Median (Bq/kg)
2015 58 50.396.620 0.340–591.7 26 11.415.545 0.590–111.5 32 70.333.676 0.630–46.71
2016 66 57.262.715 0.400–1,089 24 14.067.085 0.500–110.5 29 7.5193.400 0.570–37.61
2017 75 54.442.330 0.500–2,851 21 9.1722.590 0.600–48.60 23 6.5593.940 0.680–53.78
2018 61 29.192.170 0.130–693.0 17 9.6715.840 1.150–73 84 14 16.368.985 0.340–86.67
2019 61 42.823.040 0.230–806.8 15 5.6121.870 0.320–49.98 24 6.7884.967 0.280–31.39
2020 65 16.092.160 0.320–203.6 8 4.5832.310 0.620–14.40 22 6.9302.480 0.500–38.58
2021 62 80.051.750 0.500–4,195 16 4.8473.490 0.310–31.30 33 2.1492.000 0.360–6.798
2022 60 54.802.165 0.500–988.3 18 5.7323.070 0.500–31.30 28 1.7742.000 0.490–6.000
eISSN:
2450-8608
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine