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. 2019 Oct 10;9:14563. doi: 10.1038/s41598-019-50953-z

Table 1.

The number of presence cells and their prevalence (presence cells divided by the total cells used) at each extent and grain size.

Total extent Total extent 1 (50 km2) Total extent 2 (500 km2) Total extent 3 (Mountain ranges, mean 18,264 km2 Total extent 4 (Geographic range, 109,585 km2)
Grain size (m) Mean presence cells (SD) Mean Prevalence (SD) Mean presence cells (SD) Mean Prevalence (SD) Mean presence cells (SD) Mean Prevalence (SD) Mean presence cells (SD) Mean Prevalence (SD)
30 30.5 (11.3) 5.5E-04 (2.0E-03) 154.4 (77.8) 2.5E-04 (1.2E-04) 1137.6 (845.1) 3.3E-05 (2.4E-05) 4707 (129.0) 9.3E-06 (2.5E-07)
60 25.4 (6.1) 1.8E-03 (4.0E-04) 153.7 (77.3) 9.7E-04 (4.9E-04) 1130.9 (837.9) 1.3E-04 (9.6E-05) 4679 (128.1) 3.7E-05 (1.0E-06)
120 24.8 (5.9) 7.1E-03 (1.7E-03) 151.1 (75.8) 3.9E-03 (2.0E-03) 1113.1 (822.9) 5.1E-04 (3.8E-04) 4613.8 (126.2) 1.5E-04 (4.0E-06)
240 22.9 (5.7) 0.03 (6.5E-03) 144.3 (71.6) 0.01 (7.3E-03) 1065.7 (776.5) 2.0E-03 (1.4E-03) 4423.3 (109.7) 5.6E-04 (1.4E-05)
480 19.8 (5.1) 0.09 (0.02) 127.9 (60.5) 0.05 (0.02) 952.1 (676.0) 7.0E-03 (5.0E-03) 3975.3 (85.0) 2.0E-03 (4.3E-05)
960 14.5 (4.0) 0.26 (0.07) 98.7 (43.9) 0.16 (0.07) 753.3 (509.8) 0.02 (0.01) 3159.3 (57.9) 6.4E-03 (1.2E-04)
1920 8.1 (2.9) 0.67 (0.24) 62.3 (23.8) 0.40 (0.15) 516.7 (323.1) 0.06 (0.04) 2172 (29.1) 0.02 (2.4E-04)