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. 2021 Jan 11;118(2):e2002554117. doi: 10.1073/pnas.2002554117

Table 2.

Distribution of number of species per abundance-class category in 2014 and 1989

1989
Common > Intermediate 5 to Rare 1 Not Total
200 (%) 200 (%) to 4 (%) trapped (%) trapped
2014
Common 3 (12.5) 0 0 0 3
Intermediate 16 (66.7) 19 (28.8) 2 (3.9) 3 (14.3) 37
Rare 2 (8.3) 24 (36.4) 15 (29.4) 18 (85.7) 41
Not trapped 3 (12.5) 23 (34.8) 34 (66.7) 0
Total trapped 24 66 51

Abundance classes are defined as rare, 1 to 4 individuals per 1,000 trapping days; intermediate, 5 to 200 individuals per 1,000 trapping days; and common, >200 individuals per 1,000 trapping days. Percentages in parentheses quantify the distribution of species column-wise.