Table 5. The three most important (AUC reduction >0.01) variables in each model and the reduction in AUC values when they are permuted in the test set.
| FC | NL | HS | BB | |
|---|---|---|---|---|
| Response | Variable (AUC reduction x 10-2) | |||
| G. barretti | Depth (6.2) | Depth (5.5) | Slope (9.5) | |
| Min. Sal. (4.6) | Min. Sal. (4.0) | Min. Sum. Chl-a (3.3) | ||
| Max. Fall Chl-a (3.1) | ||||
| G. phlegraei | Min. Sal. (6.7) | Depth (5.7) | Depth (11.7) | |
| Min. Cur. (3.9) | Min. Sal. (4.6) | Min. Sal. (6.7) | ||
| Max. Cur. (2.9) | Max. Temp. (3.0) | |||
| Geodia spp. | Min. Sal. (4.6) | Depth (8.6) | Min. Sal. (10.2) | |
| Depth (3.1) | Min. Sal. (3.9) | Depth (8.6) | ||
| Max. Cur. (2.8) | Max. Temp. (3.2) | |||
| Sponge grounds | Max. Cur. (6.9) | Min. Sal. (9.6) | Min. Sal. (10.0) | Max. Temp. (7.9) |
| Depth (4.0) | Min. Cur. (5.7) | Depth (4.1) | Min. Fall Chl-a (2.7) | |
| Min. Sal. (2.6) | Depth (5.3) | Max. Temp. (2.1) | Depth (1.8) | |
Note: Abbreviations used for salinity (Sal.), chlorophyll-a (Chl-a), current (Cur.) and temperature (Temp.). All values except Chl-a refer to the seafloor.