Table 2. Distributions of the two treefrog species within the four rice-paddy complexes.
|
H. suweonensis |
||||
|---|---|---|---|---|
| absence | presence | sum | ||
| H. japonica | Complex 1 (Likelihood ratio = 13.52, df = 1, P < 0.001) | |||
| absence | 37 (32.7) | 24 (28.3) | 61 | |
| presence | 0 (4.3) | 8 (3.7) | 8 | |
| sum | 37 | 32 | 69 | |
| Complex 2 (Likelihood ratio = 21.25, df = 1, P < 0.001) | ||||
| absence | 121 (114.6) | 59 (65.4) | 180 | |
| presence | 0 (6.4) | 10 (3.6) | 10 | |
| sum | 121 | 69 | 190 | |
| Complex 4 (Likelihood ratio = 8.63, df = 1, P = 0.003) | ||||
| absence | 20 (15.1) | 26 (30.9) | 46 | |
| presence | 2 (6.9) | 19 (14.1) | 21 | |
| sum | 22 | 45 | 67 | |
| Complex 5 (Likelihood ratio = 117.28, df = 1, P < 0.001) | ||||
| absence | 140 (115.3) | 89 (113.7) | 229 | |
| presence | 3 (27.7) | 52 (27.3) | 55 | |
| sum | 143 | 141 | 284 | |
The numbers in cells are the number of rice paddies with treefrogs in a rice-paddy complex, and the numbers in parentheses are the expected values.