Table 2.
Environmental predictors of pygmy blue whale (Balaenoptera musculus brevicauda) ARS behaviour in the Great Southern Australian Coastal Upwelling System selected in the top GAMM.
| Variable | Chi-square | p-value | Number of times p < 0.05 |
|---|---|---|---|
| SST* | 155.717 | 0 | 100 |
| SST_SD* | 26.729 | 0 | 100 |
| Depth | 157.219 | 0 | 100 |
| wind speed** | 54.468 | 0 | 99 |
| SSHa* | 54.802 | 0 | 91 |
| SSHA_SD* | 38.616 | 0 | 94 |
| Chlorophyll a*** | 38.616 | < 0.001 | 38 |
Shown is the approximate significance of smooth terms based on Chi-square statistics, and the number of times each variable was significant (p < 0.05) using 100 random subsets of the bsam (hSSSM) posterior distribution. This determines the variable’s resilience to spatial uncertainty.