Table 3. Results for the regression model of coral bleaching as a function of different explanatory variables.
| Variables | Coefficients | Average Marginal Effect |
|---|---|---|
| Observed DHW | 0.201*** | 3.31*** |
| (0.014) | (0.16) | |
| Maximum PAR Anomaly | 0.0268*** | -0.0274 |
| (0.0054) | (0.059) | |
| Distance from Shore | -0.0363*** | -0.72*** |
| (0.0137) | (0.27) | |
| Population | 0.0311*** | 0.618*** |
| (0.0059) | (0.12) | |
| Wind | 0.0132 | 0.263 |
| (0.0085) | (0.17) | |
| Depth | 0.0734*** | 0.375*** |
| (0.011) | (0.085) | |
| Depth×Observed DHW | -0.00336** | |
| (0.0010) | ||
| Depth×Maximum PAR Anomaly | -0.00246*** | |
| (0.00049) | ||
| Bermuda | 0.114 | -19.8*** |
| (0.137) | (1.7) | |
| Bahamian | 1.05*** | 2.8** |
| (0.245) | (1.4) | |
| Eastern Caribbean | 0.0185 | 0.86 |
| (0.156) | (0.64) | |
| Greater Antilles | 0.325* | 1.6** |
| (0.188) | (0.77) | |
| Southern Caribbean | 1.16*** | -3.8** |
| (0.148) | (1.9) | |
| Southwestern Caribbean | 0.605*** | -0.69 |
| (0.148) | (0.63) | |
| Floridian | 0.476** | -2.2** |
| (0.176) | (0.89) | |
| Constant | -2.421*** (0.198) |
|
| Log-likelihood | -1299 | |
| Cross-validated MSE | 607.0 | |
| Cross-validated RMSE | 24.6 | |
| Cross-validated R2 | 0.29 | |
| Number of Observations | 2,945 |
Estimated coefficients and average marginal effects using a fractional logit model, where coral bleaching is explained as a function of environmental stressors. Robust standard errors are shown in parentheses (*** p<0.01, ** p<0.05, * p<0.1).