Table 2. Summary of predictive model results.
Model | Factor | p value |
2009 Lower Bay | Temperature | <0.001 |
AIC = 706.524 | DO | <0.001 |
ROC = 0.847 | Temp*Salinity | 0.02 |
Temp*DO | <0.001 | |
Salinity*DO | 0.111 | |
2010 Lower Bay | Temperature | <0.001 |
AIC = 412.876 | Temp*Salinity | <0.001 |
ROC = 0.864 | Temp*DO | 0.001 |
2009 Upper Bay | Temperature | <0.001 |
AIC = 281.561 | DO | 0.884 |
ROC = 0.817 | Temp*Salinity | 0.005 |
2010 Upper Bay | Temperature | <0.001 |
AIC = 1113.765 | Salinity | <0.001 |
ROC = 0.937 | DO | <0.001 |
Temp*Salinity | <0.001 | |
Temp*DO | <0.001 | |
Salinity*DO | 0.005 |
Summary of GLM results for predicting the probability of detecting at least one bull shark as a function of region (upper bay and lower bay) and year (2009 and 2010). Significant values (α<0.005) are indicated in italics.