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.

From: Current and future climatic regions favourable for a globally introduced wild carnivore, the raccoon 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