Table 3.
Multinomial logistic regression results using bivalve species composition to predict oceanographic units (OUs)
| Coastline/hemisphere | AIC | % correct | No. of OUs |
| West Atlantic/North | 15259.1078 | 94.61 | 21 |
| West Atlantic/South | 4112.9569 | 85.43 | 10 |
| East Atlantic/North | 10463.5216 | 94.63 | 19 |
| East Atlantic/South | 776.3178 | 97.40 | 7 |
| Indian Ocean | 13617.1064 | 97.69 | 12 |
| West Pacific/North | 17425.0833 | 98.14 | 16 |
| West Pacific/South | 6732.5129 | 97.55 | 10 |
| West Pacific Islands/North | 768.0004 | 100.00 | 4 |
| West Pacific Islands/South | 1392.0002 | 100.00 | 4 |
| East Pacific/North | 7103.7724 | 91.36 | 16 |
| East Pacific/South | 1629.8629 | 96.21 | 9 |
AIC, Akaike information criterion. Percentage (%) correct is the number of 1° grid cells correctly classified into the correct OU. “No. of OUs” is the number of oceanographic units in each region.