Table 1. All environmental predictors used in the models.
| Variable | Avicennia germinans | Conocarpus erectus | Laguncularia racemosa | Rhizophora mangle | ||||
|---|---|---|---|---|---|---|---|---|
| PC | PI | PC | PI | PC | PI | PC | PI | |
| Annual mean temperature | 0.3 | 0 | 1 | 0.3 | 0.4 | 0 | 0.9 | 0.7 |
| Mean diurnal range | 0.2 | 1.2 | 0.2 | 0.3 | 0.4 | 2.9 | 0.2 | 0.9 |
| Isothermality | 2.3 | 1 | 0.1 | 0.3 | 0 | 0 | 0.3 | 0.4 |
| Temperature seasonality | 0.8 | 0.1 | 0.4 | 0 | 0 | 0 | 0 | 0.1 |
| Maximum temperature of warmest month | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 |
| Minimum temperature of coldest month | 3.7 | 12.9 | 7.9 | 13.9 | 5 | 2 | 4 | 8.3 |
| Annual temperature range | 1 | 1.2 | 0.5 | 0.1 | 0.7 | 0.2 | 0.9 | 0.3 |
| Mean temperature of warmest quarter | 2 | 4.3 | 0 | 0 | 0.3 | 1.8 | 0.4 | 2 |
| Mean temperature of coldest quarter | 1.7 | 1.6 | 3.6 | 0.2 | 1.4 | 0.9 | 0.6 | 0 |
| Annual precipitation | 1.1 | 4.9 | 0 | 0 | 0.5 | 8 | 0.3 | 0.6 |
| Precipitation of wettest month | 0.4 | 0.9 | 0 | 0 | 0 | 0 | 0.7 | 1.8 |
| Precipitation of driest month | 12.5 | 4.7 | 0.1 | 1.3 | 14.9 | 0 | 0.1 | 0.7 |
| Precipitation seasonality | 1 | 0.9 | 0 | 0.5 | 0.3 | 2.3 | 1.4 | 6.8 |
| Precipitation of wettest quarter | 0.5 | 2.1 | 0.2 | 4.2 | 0.5 | 1 | 0 | 0 |
| Precipitation of driest quarter | 12.7 | 3.8 | 15.3 | 3.6 | 0 | 0 | 13.3 | 3.1 |
| Depth to bedrock | … | … | 5 | 4.8 | 4.8 | 5.8 | 6.3 | 6.3 |
| Bulk density | … | … | 0.2 | 0 | 1.6 | 2.7 | 0.7 | 2.2 |
| Cation-exchange capacity | … | … | 0.1 | 0 | 0 | 0.6 | 0.2 | 0.5 |
| Clay content | … | … | 2 | 3.2 | 0.1 | 1.6 | 1.1 | 2.6 |
| Coarse fragments | … | … | 1.4 | 6.6 | 1.3 | 2.2 | 0.7 | 1.1 |
| Soil organic carbon | … | … | 12.6 | 2.6 | 9.1 | 6.8 | 16.6 | 14.8 |
| pH index | … | … | 0.3 | 4.7 | 0.6 | 3.3 | 0.8 | 3.3 |
| Silt content | … | … | 0 | 0.1 | 0 | 0.6 | 0.1 | 0.6 |
| Sand content | … | … | 0.9 | 0 | 0 | 0 | 0.3 | 0.3 |
| Distance to coast | 43.4 | 44.9 | 42.9 | 45.4 | 44.3 | 24.8 | 43.5 | 37.1 |
| Digital terrain model | 12 | 10.9 | 0.7 | 0.5 | 8.5 | 6.2 | 6.5 | 4.8 |
| Maximum NDVI value | 0.3 | 0.4 | … | … | … | … | … | … |
| Mean NDVI value | 1.6 | 2.5 | … | … | … | … | … | … |
| Minimum NDVI value | 1.6 | 1.2 | … | … | … | … | … | … |
| NDVI range | 0.1 | 0.1 | … | … | … | … | … | … |
| NDVI standard deviation | 0.6 | 0.2 | … | … | … | … | … | … |
Percentage contribution (PC) and permutation importance (PI) of environmental variables used to model the potential distribution of Mexican mangroves. Variables without data (…) were not used in the final model of that species.