| Impact ID | 6819 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Willow species significantly altered hydrology and riparian systems in Australia, where underwater roots modify banks and cover ground in shallow streams eliminating niches for native organisms. |
| Reference | 38245 |
| Cost | |
| Location | Australia |