Table 2 Number of assigned Lampsilis siliquoidea and L. radiata individuals to each category (purebred vs. admixed) by STRUCTURE under different criteria: K values and thresholds (a), and number of admixed individuals from part (a) assigned to a hybrid category by NEWHYBRID using threshold = 0.5 for hybrids and threshold 0.5(0.8) for purebreds (b).
(a) | (b) | |||||
|---|---|---|---|---|---|---|
Structure | Newhybrid | |||||
Cluster-Threshold | L. radiata | L. siliquoidea | admixed | L. radiata | L. siliquoidea | Hybrid category |
K = 2 − 0.8 | 238 | 441 | 103 | 0 | 66 (23) | 34 |
K = 2 − 0.9 | 216 | 407 | 159 | 0 | 99 (49) | 58 |
K = 3 − 0.8 | 196 | 487 | 99 | 0 | 29 (4) | 67 |
K = 3 − 0.9 | 167 | 455 | 160 | 0 | 56 (18) | 99 |
