Table 1 Tests of niche overlap, niche equivalency and niche similarity between the native niche and the niches of the three main non-native regions of Procyon lotor.
Overlap D | Equivalency PD | Similarity Inv. to Nat. PD | Expansion | Unfilling | |
---|---|---|---|---|---|
Caribbean | 0.01 | 1 | 0.66 | 0.06 | 0.96 |
Europe | 0.08 | <0.01 | 0.32 | 0 | 0.65 |
Japan | 0.16 | <0.01 | 0.18 | 0.17 | 0.74 |