| Impact ID | 7217 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | There have been reports of blooms of Thalassiosira bramaputrae and outcompete other species in Tokyo Bay, but these high densities have never been recorded in the Great Lakes basin. |
| Reference | 10424 |
| Cost | |
| Location | |