Journal of Ecology and Environment

Table. 2. Table 2

Biological soil crust species richness and species diversity by Shannon and Simpson's indices in alluvial fan site (by height class)

Site	Height					p-value	Test F
	770 meters	766 meters	762 meters	759 meters	752 meters
	Species richness index	0.707 ± 3.500^a	0.00 ± 3.000^a	2.000 ± 1.440^a	2.000 ± 0.000^a			2.00 ± 0.000^a	0.233	2.000
Shannon diversity index	0.188 ± 5.710^a	0.007± 6.280^a	3.640 ± 3.109^a	2.770 ± 1.092^a	3.16 ± 0.193^a	0.195	2.281
Simpson diversity index	0.005 ± 0.017^a	0.00007 ± 0.009^a,b	0.008 ± 0.000^a,b	0.007 ± 0.000^a,b	0.006 ± 0.001^b	0.044	5.583

Values are presented as mean ± standard deviation.

Within given parameters, different superscripts indicate a significant among sites, respectively, at p < 0.05.