Table 2.
Summary of the backward DFA.
| DFA parameters | Result |
|---|---|
| Function 1 | |
| Eigenvalue | 25.1 |
| Wilks' lambda | 0.015 |
| Canonical correlation | 0.98 |
| Function 2 | |
| Eigen value | 1.5 |
| Wilks' lambda | 0.39 |
| Canonical correlation | 0.78 |
| Sediment source samples classified correctly (%) | |
| Recreational road | 100.0 |
| Hillslope surface soils | 100.0 |
| Channel banks | 100.0 |
| Total | 100.0 |
| Sampling sites of sediment sources assigned by DFA | |
| Recreational road | 15.0 |
| Hillslope surface soils | 6.0 |
| Channel banks | 6.0 |
| Squared Mahalanobis distance | |
| Recreational road × Hillslope surface soils | 52.8 |
| Recreational road × Channel banks | 126.7 |
| Hillslope surface soils × Channel banks | 29.7 |
| Squared Mahalanobis F-value | |
| Recreational road × Hillslope surface soils | 49.5* |
| Recreational road × Channel banks | 118.8* |
| Hillslope surface soils × Channel banks | 19.5* |
*
Significant at 0.01 level.