Table 1.

Relations between endemism and environmental variables.

		Regression modela	df.b	t-value	p-value	Slope ± SE	Intercept ± SE
Endemic richness	Mean elevation [m a.s.l.]	qP	193	9.99	<0.001	1.37e-3 ± 0.14e-3	0.61 ± 0.23
Endemicity score	Elevational amplitude [m]	qP	185	10.24	<0.001	6.37e-4 ± 0.62e-4	−5.76e-2 ± 0.18e-2
Endemicity score	Topographic complexity	qP	185	8.28	<0.001	21.18 ± 2.56	−20.36 ± 2.65
Endemic richness	Elevational amplitude [m]	qP	185	12.14	<0.001	7.52e-4 ± 0.62e-4	−0.83 ± 0.18
Endemic richness	Topographic complexity	qP	185	9.17	<0.001	24.01 ± 2.62	−22.09 ± 2.71
Percentage of endemism	Elevation [m a.s.l.]	li	41	9.43	<0.001	0.16e-1 ± 0.02e-1	21.68 ± 4.30

^aqP, generalized linear model with quasi-Poisson distribution and logarithmic link function; li, linear model.

^bDegrees of freedom.