Table 1. Evaluation of ecological niche overlap between pairs of species of the genus Testudo.
| Overlap | Lin | Blob | Id | BG | IdB | BGB | ||
|---|---|---|---|---|---|---|---|---|
| T. graeca vs | D | 0.656 | 0.368 | 0.368 | 0.370 | 0.343 | 0.386 | 0.327 |
| T. hermanni | P | 0.079 | 0.396 | 0.009 | 0.009 | 0.008 | 0.099 | |
| Rho | −0.036 | −0.036 | −0.035 | −0.051 | ||||
| T. graeca vs | D | 0.372 | 0.392 | 0.387 | 0.387 | 0.359 | 0.148 | 0.148 |
| T. horsfieldii | P | 0.416 | 0.396 | 0.009 | 0.009 | 0.001 | 0.174 | |
| Rho | −0.430 | −0.448 | −0.448 | −0.476 | ||||
| T. graeca vs | D | 0.226 | 0.251 | 0.251 | 0.245 | 0.243 | 0.361 | 0.361 |
| T. marginata | P | 0.475 | 0.347 | 0.009 | 0.009 | 0.596 | 0.073 | |
| Rho | −0.034 | −0.034 | −0.052 | −0.056 | ||||
| T. hermanni vs | D | 0.231 | No | No | 0.252 | 0.247 | 0.009 | 0.009 |
| T. horsfieldii | P | 0.004 | 0.004 | 0.001 | 0.430 | |||
| Rho | −0.277 | −0.205 | ||||||
| T. hermanni vs | D | 0.341 | 0.440 | 0.440 | 0.438 | 0.442 | 0.197 | 0.197 |
| T. marginata | P | 0.030 | 0.003 | 0.010 | 0.044 | 0.001 | 0.366 | |
| Rho | 0.548 | 0.548 | 0.547 | 0.692 | ||||
| T. horsfieldii vs | D | 0.130 | No | No | 0.241 | 0.235 | 0.145 | 0.155 |
| T. marginata | P | 0.005 | 0.015 | 0.019 | 0.145 | |||
| Rho | 0.005 | 0.005 |
Notes.
- Lin
- linear range–breaking test
- Blob
- blob rangebreaking test
- Id
- identity test
- BG
- background test
- IdB
- identity test (ecospat)
- BGB
- background test (ecospat)
- D
- Schoener’s D
- Rho
- Spearman rank correlation
- No
- no geographic contact