Comparing the two Greek archipelagos plant species diversity and endemism patterns highlight the importance of isolation and precipitation as biodiversity drivers

Table 2 Spearman rank correlation coefficients among biogeographic factors of islands in the two archipelagos

		Island area	Maximum elevation (E)	Distance to inhabited island (Dis)	Distance to mainland (Dm)	Latitude (Lat)	Longitude (Lon)	Index of human impact (HI)
Maximum elevation (E)	Ion	0.915**
	Ae	0.838**
Dis	Ion	-0.561**	-0.615**
	Ae	0.483**	0.362**
Dm	Ion	ns	ns	ns
	Ae	ns	ns	-0.192**
Lat	Ion	ns	ns	-0.454*	ns
	Ae	ns	ns	0.156*	-0.610**
Lon	Ion	-0.460**	ns	0.689**	ns	-0.462**
	Ae	ns	ns	-0.277**	-0.216**	-0.435**
HI	Ion	0.837**	0.655**	-0.518**	ns	ns	-0.682**
	Ae	0.716**	0.692**	0.310**	-0.198**	ns	ns
Geo	Ion	0.765**	0.747**	-0.677**	ns	ns	-0.640**	ns
	Ae	0.498**	0.471**	0.339**	ns	ns	-0.232**	-0.479**

ISSN: 2241-5793