Table 2 Rarefied allelic richness and M-ratios estimated before and after the tsunami event.
From: Ecological and genetic impact of the 2011 Tohoku Earthquake Tsunami on intertidal mud snails
Site | Number of samples used in hierarchical rarefaction analysis | Allelic richness ± SD | M-ratio ± SD | |||
|---|---|---|---|---|---|---|
Years per block | Samples in total | Before | After | Before | After | |
Nagatsuraura* | 2 | 172 | 4.24 ± 0.05 | 3.90 ± 0.08 | 0.70 ± 0.01 | 0.66 ± 0.02 |
Mangokuura* | 2 | 172 | 6.96 ± 0.10 | 6.80 ± 0.11 | 0.76 ± 0.01 | 0.72 ± 0.01 |
Katsugigaura | 2 | 172 | 3.78 ± 0.07 | 4.48 ± 0.22 | 0.65 ± 0.01 | 0.70 ± 0.02 |
Sokanzan | 1 | 86 | 4.26 ± 0.08 | 3.84 ± 0.21 | 0.67 ± 0.01 | 0.64 ± 0.02 |
Torinoumi* | 3 | 258 | 4.08 ± 0.07 | 4.44 ± 0.15 | 0.63 ± 0.01 | 0.65 ± 0.01 |
Matsukawaura | 3 | 258 | 6.52 ± 0.10 | 6.92 ± 0.10 | 0.75 ± 0.01 | 0.74 ± 0.01 |
- The number of samples (populations/individuals) used in hierarchical resampling models is also shown. The asterisks indicate the sites severely affected by the tsunami or subsidence. The rarefied allelic richness and M-ratio did not significantly change after the tsunami at all of the study sites (P > 0.05). Note that the estimated M-ratio values can be inflated because of the presence of an imperfect repeat in some microsatellite loci36 .