| Impact ID | 9001 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Found that the presence of Rhamnus frangula (glossy buckthorn) in wetlands in Ontario reduced species richness and that when removed, the density of native plants increased. |
| Reference | 25484 |
| Cost | |
| Location | Ontario, Canada |