Table 3. Number of discharge events and annual volume of ballast water discharged by shipping pathways in Canada and the Great Lakes (modified from Casas-Monroy et al. [27]).
| Pathway | Total Volume of Ballast Water Discharged | Number of discharge events |
|---|---|---|
| Arctic Coastal Domestic | 78,125 | 16 |
| Arctic International Transoceanic | 197,589 | 30 |
| Eastern Coastal Domestic | 5,952,615 | 667 |
| GLSLR International Transoceanic | 2,914,206 | 759 |
| Lakers | 52,418,330 | 5227 |
| Atlantic International Coastal U.S. | 7,665,502 | 343 |
| Atlantic International Exempt | 5,652,994 | 357 |
| Atlantic International Transoceanic | 23,253,391 | 1530 |
| Pacific International Coastal U.S. | 2,324,543 | 415 |
| Pacific International Exempt | 592,089 | 79 |
| Pacific International Transoceanic | 15,110,203 | 1488 |