Table 3. Estimation of the phylogenetic signal (Blomberg’s K) in the diversification of the ecological niche in the genus Testudo.

	Blomberg’s K
Temperature warmest quarter	0.365 ± 0.001
Temperature coldest quarter	0.475 ± 0.002
Temperature wettest quarter	0.352 ± 0.001
Temperature driest quarter	0.360 ± 0.002
Annual precipitation	0.437 ± 0.002
Precipitation seasonality	0.263 ± 0.001
Precipitation warmest quarter	0.467 ± 0.002

Notes.

The mean value and the standard error after 10,000 resamplings of the possible values of the niche for each species are shown.