Table 2. Proportion of the occurrence points from the independent survey data included in the presence areas by using each cutoff threshold and analysis results of species richness maps using each cutoff.

	Proportion of occurrence points included in species range maps for								Analysis of total species richness maps
Cutoff threshold approaches	All species	Common species	Endangered species	Endemic species	Species with ≥ 3 records	Species with ≥ 5 records	Species with ≥ 7 records	Species with ≥ 10 records	Maximum number of species	Area (km2) containing > 100 species	Area (km2) containing > 50 species
Mean	0.20	0.20	0.32	0.20	0.21	0.25	0.27	0.27	118	19	1,962
Median	0.22	0.22	0.35	0.22	0.24	0.27	0.30	0.31	118	19	2,371
1 SD	0.43	0.42	0.44	0.50	0.44	0.50	0.54	0.57	107	2,542	31,927
Max SSS	0.38	0.37	0.59	0.40	0.41	0.46	0.51	0.54	120	19	15,797