. 2018 Sep 7;13(9):e0202073. doi: 10.1371/journal.pone.0202073

Table 3. Number of surveyed plots and floristic traits for (a) superclusters and (b-d) clusters within the three superclusters.

	Plot #s	Species Richness (S)	β-Diversity	MEAN TRAITS/PLOT
	Plot #s	Species Richness (S)	β-Diversity	Species Richness (S)	α-diversity (H)	Evenness (E)	IPs #
(a) SUPERCLUSTERS
MEDITERRANEAN	46	377	18.1	18.7^b	1.78	0.61	246.4^a
SAVANNA	90	618	26.3	21.6^a	1.91	0.63	226.0^a
DESERT	215	1014	49.8	18.9^b	1.86	0.65	150.5^b
F_(2,365)	-	-	-	3.42	0.93	1.85	19.10
P	-	-	-	0.03	0.39	0.15	<0.001
CLUSTERS
(b)MEDITERRANEAN
M-1	32	214	4.5	16.1^b	1.65^b	0.59	191.2
M-2	14	199	3.7	25.0^a	2.07^a	0.65	372.5
F_(1–44)	-	-	-	22.8	7.54	1.86	16.35
P	-	-	-	<0.001	0.009	0.17	<0.001
(c) SAVANNA
S-1	11	194	6.3	27.5^a	2.20	0.67	233.2
S-2	61	421	19.1	22.4^a	1.92	0.63	231.0
S-3	10	73	5.5	12.2^b	1.58	0.68	197.9
S-4	8	75	3.1	19.3^ab	1.86	0.62	213.1
F_(3–86)	-	-	-	6.25	2.05	0.77	0.25
P	-	-	-	0.001	0.113	0.511	0.856
(d) DESERT
D-1	105	527	28.8	18.6^b	1.94^ab	0.68^c	105.1^c
D-2	54	374	20.0	18.8^b	1.79^b	0.61^b	198.2^b
D-3	35	192	13.5	14.2^c	1.59^c	0.62^ab	143.2^c
D-4	10	119	5.3	20.0^b	1.86^ab	0.63^ab	224.0^b
D-5	11	157	3.4	36.5^a	2.36^a	0.66^abc	305.8^a
F_(4,210)	-	-	-	19.22	5.83	3.11	16.41
P	-	-	-	<0.001	<0.001	0.016	<0.001

For floristic traits and number of vegetated IPs, statistical significance was tested with one-way ANOVAs and the Bonferroni post-hoc test. Different superscript letters represent significant statistical differences.