| Impact ID | 4647 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Trapa natans grows densely, and outcompetes and replaces native vegetation in the summer months in Meduvršje Reservoir of Serbia. |
| Reference | 36952 |
| Cost | |
| Location | Meduvršje Reservoir, Serbia |