Table 2 Frequency of hybrid (H1) haplotype detection before FDNPP accident and after (2014–2018) partitioned by initial evacuation zones (<20 km), Difficult-to-Return to zones (20–40 km), and non-evacuated areas (>40 km).
Distance from NPP (km) | Number of samples | H1 (%) | Year (number hybrids detected) | |||||
|---|---|---|---|---|---|---|---|---|
2006–2011 (before accident) | 2014 | 2015 | 2016 | 2017 | 2018 | |||
<20 | 207 | 13 (6.2%) | 0 | 0 | 15 (1) | 52 (5) | 17 (0) | 123 (7) |
20–40 | 29 | 2 (6.9%) | 0 | 0 | 1 (0) | 14 (2) | 0 | 14 (2) |
40 < | 102 | 1 (0.1%) | 46 (0) | 9 (0) | 14 (0) | 18 (0) | 4 (0) | 11 (1) |
All | 338 | 18 (5.3%) | 46 (0) | 9 (0) | 30 (1) | 84 (7) | 21 (0) | 148 (10) |
