Table 2. Best fitting model results from five categories of variables presented in columns sorted by descending AICc, with the smallest AICc indicating the best fit.
| Water | LULC | Terrain | Landscape | All | ||
|---|---|---|---|---|---|---|
| AICc (df) | 86.4 (6) | 84.1 (4) | 72.1 (7) | 58.4 (9) | 55.0 (11) | |
| Parameter estimate (SE) | ||||||
| General | Intercept | -2.30 (1.65) | 2.15 (0.94) | -9.28 (3.75) | -19.04 (8.03) | -32.97 (14.72) |
| Accra | 3.28 (2.29) | -2.37 (0.84) | 15.91 (4.60) | 27.19 (9.53) | 44.17 (17.47) | |
| Terrain | Elevation | 0.05 (0.02) | 0.10 (0.04) | 0.12 (0.05) | ||
| Accra×Elevation | -0.05 (0.02) | -0.09 (0.04) | -0.10 (0.05) | |||
| Wetness | -0.35 (0.16) | -0.52 (0.23) | -0.91 (0.41) | |||
| STD(Wetness500m) | 2.36 (1.25) | 3.65 (2.13) | 4.77 (3.75) | |||
| Accra×STD(Wetness500m) | -5.13 (1.71) | -7.00 (2.76) | -8.67 (4.67) | |||
| LULC | I(Urban100m) | 1.72 (0.88) | 5.53 (2.01) | 6.25 (2.47) | ||
| I(Forest1km) | -1.86 (0.90) | -2.06 (1.44) | -3.01 (1.63) | |||
| Water | Log(CA hardness) | 1.38 (0.56) | 4.33 (1.97) | |||
| Accra×Log(CA hardness) | -1.51 (0.70) | -4.41 (2.05) | ||||
| DO | -0.02 (0.01) | |||||
| Log(NO3) | 0.21 (0.14) | |||||