| Impact ID | 4567 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Dense meadows of Starry Stonewort are capable of complete collapse in shallow areas when surface water temperatures reach = 86°F (30°C) - this may create seasonal 'dead zones' |
| Reference | 36861 |
| Cost | |
| Location | Great Lakes |