Table 2. Survival analysis for Bd susceptibility trials of eight species of tropical montane forest frogs subjected to control or experimental treatment.
Population ratios are calculated from relative abundances of populations before and after the epizootic using leaf litter plots (plot) and visual encounter surveys (VES) in 1998–1999 and 2008–2009. Treatments with no mortality are indicated with NA’s for P-value and days to death. Population ratios provided are based on visual encounter surveys except for cryptic species that were assessed using leaf litter plot surveys indicated by L.
| Species | N | P | Duration (days) |
Days to death (mean) | Pop. ratios | ||
|---|---|---|---|---|---|---|---|
| control | treatment | control | treatment | ||||
| Hemiphractidae | |||||||
| G. excubitor | 7 | 5 | NA | 26 | NA | NA | 0.54L |
| G. nebulanastes | 5 | 6 | 0.003 | 51 | NA | 36.2 | 0.07 |
| Hylidae | |||||||
| H. gladiator | 4 | 4 | NA | 47 | NA | NA | 0.51 |
| Strabomantidae | |||||||
| Pr. danae | 5 | 14 | 0.099 | 33 | NA | 27.3 | 0.66L |
| Pr. pharangobates | 5 | 18 | 0.225 | 28 | NA | 20.7 | 0.59L |
| Pr. platydactylus | 4 | 13 | 0.047 | 29 | NA | 16.3 | 0.45 |
| Pr. toftae | 5 | 5 | 0.006 | 32 | NA | 22.5 | 0.51 |
| Ps. usurpator | 5 | 14 | NA | 52 | NA | – | 2.24L |
L Indicates populations surveyed with leaf litter plots.
Significant P-values are in bold.