| Impact ID | 8000 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The displacement of native vegetation by Glyceria maxima (reed manna grass) often leads to an altered macroinvertebrate community, which can impact the entire food web of the ecosystem. |
| Reference | 25469 |
| Cost | |
| Location | Brazos River, Texas |