Table 4. Factor loadings from principle components analysis (PCA) greater than 0.7 for reach-habitat variables and proportion of variation explained by each principal component
Stream-habitat
variable |
First
principal component |
Second
principal component |
Third
principal component |
| Reach structural index | –0.895 |
||
| RCE maximum | –.770 |
||
| Median bank height/width ratio | 0.943 |
||
| Median high-bank width | –0.917 |
||
| Median bank height | –.785 |
||
| Median wetted channel width | –.741 |
||
| Proportion of variation explained | .240 |
.283 |
.218 |
| Proportion of total variation explained | .741 |
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