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Table 2
Characteristics of various compartments of forest fuel materials.
| Activity concentration of 137Cs, kBq kg−1 | Biomass density⁎, kg m−2 | Contamination density, kBq m−2 | |
|---|---|---|---|
| Radioactive contamination density of territory 2960 kBq m−2 | |||
| Forest litter | 154.9 ± 13.2 | 2.6 ± 0.4 | 402.7 ± 32.1 |
| Fallen branches | 16.9 ± 0.2 | 0.08 ± 0.01 | 1.4 ± 0.2 |
| Bark + needles + cones | 32.1 ± 1.2 | 0.24 ± 0.02 | 7.7 ± 0.8 |
| Total | 3.0 ± 0.4 | 411.8 ± 33.1 | |
| Radioactive contamination density of territory 560 kBq m−2 | |||
| Forest litter | 61.7 ± 5.2 | 2.5 ± 0.3 | 154.2 ± 19.1 |
| Fallen branches | 1.32 ± 0.08 | 0.034 ± 0.005 | 0.044 ± 0.005 |
| Bark + needles + cones | 7.2 ± 0.4 | 0.13 ± 0.02 | 0.97 ± 0.09 |
| Total | 2.7 ± 0.3 | 155.3 ± 19.2 | |
| Radioactive contamination density of territory 962 kBq m−2 | |||
| Forest litter | 85.5 ± 10.1 | 2.4 ± 0.1 | 205.2 ± 25.4 |
| Fallen branches | 3.07 ± 0.19 | 0.044 ± 0.006 | 0.13 ± 0.02 |
| Bark + needles + cones | 10.8 ± 0.6 | 0.15 ± 0.01 | 1.62 ± 0.13 |
| Total | 2.6 ± 0.1 | 206.9 ± 25.5 | |
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