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. 2022 Jul 11;10:e13702. doi: 10.7717/peerj.13702

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