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

Table 1 Minimum values of A, E, Dm and Dis for both Archipelagos

	All islands		Islands with Greek endemics		Islands with Regional endemics		Islands with single-island endemics		Islands with threatened species
	Ae	Ion	Ae	Ion	Ae	Ion	Ae	Ion	Ae	Ion
Number of islands	210	31	144	10	65	8	18	4	116	20
A (ha)	0.04	1.3	0.09	118	0.125	426	462	3000	0.10	1.3
E (m)	2	12	3	22	6	421	27	230	4	12
Di (km)	0.03	1	0.04	1	0.04	1	5.4	1	0.040	1
Dm (km)	0.108	0.5	0.108	0.5	0.108	0.5	0.108	0.5	0.108	0.5
Total species richness	1	33	4	203	16	203	275	419	5	33

Ae = Aegean, Ion = Ionian.
A = Island area, E = Maximum elevation, Dis = Distance from other inhabited islands for islands and islets, Dm = Distance from the mainland.

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