| Impact ID | 9733 |
| Impact Type | Food Web |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Streams harshly impacted by mats of Didymosphenia geminata have seen invertebrate populations decrease, macrophyte elimination, and absence of fish. |
| Reference | 30506 |
| Great Lakes Region | No |
| Cost | |
| Location | |
