Table 3 Parameter estimates for the geographical clines shown in Fig. 4. The results for Structure and NewHybrids on the panel of microsatellites are taken as the reference. Significant differences with the 2log-likelihood unit support limits falling outside the range observed for the reference clines are shown in boldface type
Model | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Character, unit | Type | Centre | Width | δ L | δ R | τ L | τ R | p min | p max |
Microsatellite reference clines | |||||||||
Structure, Q | fixN | −1.0 (−1.0–0.7) | 30.3 (21.5–44.4) | 0.016 | 0.983 | ||||
NewHybrids, posterior probability | |||||||||
- B. spinosus side of transect | fixL | −1.0 (−1.0–−0.2) | 0.6 (0.0–1.3) | 0.000 | 0.007 | 0.000 | 0.990 | ||
- B. bufo side of transect | typR | 10.8 (8.4–20.0) | 12.2 (6.0–29.9) | 1.729 | 0.048 | 0 | 1 | ||
Thresholds–min, max | −1.0, 20.0 | 0.0, 44.4 | |||||||
Tested clines | |||||||||
PCA on microsatellites, loading first axis | fixN | 4.6 (−1.0−15.7) | 104.9 (64.4–179.7) | −1.301 | 1.156 | ||||
mtDNA, haplotype frequency | typN | −1.0 (−1.0–2.4) | 43.5 (31.0–64.0) | 0 | 1 | ||||
Parotoids, classification probability | fixN | 65.5 (27.3–122.8) | 255.1 (107.7–> 400) | 0.142 | 0.769 | ||||
Metatarsal tubercle, idem | fixN | 96.6 (54.2–145.3) | 298.7 (164.4–> 400) | 0.060 | 0.865 | ||||
BDNF, allele frequency | fixR | 3.8 (−0.9–18.6) | 58.9 (46.9–115.8) | 0.505 | 0.274 | 0.023 | 1.000 | ||
POMC, idem | optN | 22.3 (9.2–41.5) | 90.7 (52.6–176.7) | 0.187 | 0.951 | ||||
RAG1, idem | typB | 4.0 (−0.7–9.1) | 35.7 (23.4–56.2) | 2.811 | 20.704 | 0.360 | 0.042 | 0 | 1 |
RPL3, idem | fixR | −0.9 (−1.0–3.9) | 26.8 (23.0–49.1) | 1.064 | 0.507 | 0.050 | 1.000 | ||