| Impact ID | 4573 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | starry stonewort may lead to increased cyanobacterial growth, and more potentially toxic blooms, likely caused by anoxic release of sediment-bound P under dense aggregations |
| Reference | 36862 |
| Cost | |
| Location | Lake Simcoe |