Table 4. Correlation of determination (R2) using the linear Pearson correlation measure between all variables used in this study.
| Variables | Bathy | Comp | Asp | BPI | Slo | Maxc | Rug | Mos | HSIR | HSIG | HSIB | Hom | Ent | Cor | ARmean | ARslo | ARsk | ARkur |
| Bathy | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Comp | 0.00 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Asp | 0.06 | 0.02 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| BPI | 0.00 | 0.03 | 0.00 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Slop | 0.00 | 0.43 | 0.00 | 0.03 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Maxc | 0.00 | 0.18 | 0.00 | 0.08 | 0.34 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rug | 0.00 | 0.13 | 0.00 | 0.01 | 0.38 | 0.20 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Mos | 0.33 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 1 | - | - | - | - | - | - | - | - | - | - |
| HSIR | 0.24 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.18 | 1 | - | - | - | - | - | - | - | - | - |
| HSIG | 0.26 | 0.04 | 0.03 | 0.00 | 0.01 | 0.00 | 0.00 | 0.32 | 0.35 | 1 | - | - | - | - | - | - | - | - |
| HSIB | 0.06 | 0.05 | 0.02 | 0.01 | 0.02 | 0.01 | 0.00 | 0.10 | 0.08 | 0.08 | 1 | - | - | - | - | - | - | - |
| Hom | 0.10 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.07 | 0.00 | 0.28 | 1 | - | - | - | - | - | - |
| Ent | 0.11 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | 0.04 | 0.00 | 0.23 | 0.98 | 1 | - | - | - | - | - |
| Cor | 0.05 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.09 | 0.12 | 0.05 | 0.07 | 0.00 | 0.00 | 1 | - | - | - | - |
| ARmean | 0.38 | 0.07 | 0.05 | 0.00 | 0.02 | 0.01 | 0.00 | 0.53 | 0.33 | 0.47 | 0.03 | 0.11 | 0.13 | 0.11 | 1 | - | - | - |
| ARslo | 0.26 | 0.11 | 0.05 | 0.01 | 0.04 | 0.01 | 0.00 | 0.24 | 0.22 | 0.36 | 0.02 | 0.02 | 0.02 | 0.04 | 0.75 | 1 | - | - |
| ARsk | 0.22 | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.14 | 0.11 | 0.00 | 0.01 | 0.01 | 0.03 | 0.19 | 0.06 | 1 | - |
| ARkur | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.03 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.72 | 1 |
Highlighted values indicate high correlation (R2>0.5). Bathy = Bathymetry, Comp = Complexity, Asp = Aspect, BPI = Bathymetric Position Index, Slo = Bathymetry slope, Maxc = Maximum curvature, Rug = Rugosity, Mos = Backscatter mosaic, HSIR = Red layer of Hue Saturation and Intensity (HSI), HSIG = Green layer of HSI, HSIB = Blue layer of HSI, Hom = GLCM Homogeneity, Ent = GLCM Entropy, Cor = GLCM Correlation, ARmean = Mean of angular response, ARslo = Slope of angular response, ARsk = Skewness of angular response and ARkur = Kurtosis of angular response.