Table 8.
Log intervals | Individual ranges in each log interval | Midpoint values of each individual range | Actual chigger mite species | Theoretical chigger mite species |
---|---|---|---|---|
0 | 0–1 | 1 | 15 | 16.05 |
1 | 2–4 | 3 | 12 | 21.02 |
2 | 5–13 | 9 | 23 | 23.00 |
3 | 14–40 | 27 | 18 | 21.02 |
4 | 41–121 | 81 | 18 | 16.05 |
5 | 122–364 | 243 | 13 | 10.23 |
6 | 365–1093 | 729 | 6 | 5.45 |
7 | 1094–3280 | 2187 | 2 | 2.42 |
Annotation: R0 = 2, S0 = 23 and β = 0.30 (R2 = 0.68) in the theoretical curve fitting for the species abundance distribution of chigger community.