| Impact ID | 4623 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Although Trapa natans forms dense beds that create hypoxic conditions in the water column, the beds create a microhabitat that supports high species diversity for insects and fish. |
| Reference | 27617 |
| Cost | |
| Location | Hudson River, New York, USA |