Table 5. Factor loadings from principle components analysis (PCA) greater than 0.7 for land-use variables and proportion of variation explained by each principal component
Land-use
and population variable |
First
principal component |
Second
principal component |
Third
principal component |
| Percent agricultural | 0.929 |
||
| Percent forest | –.914 |
||
| Percent urban | 0.869 |
||
| Population density | .846 |
||
| Percent rangeland | –0.725 |
||
| Percent wetland | .719 |
||
| Proportion of variation explained | .316 |
.258 |
.148 |
| Proportion of total variation explained | .722 |
||