| Impact ID | 9223 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Hydrilla verticillata was able to reach greater depths with increased water clarity. It was able to grow at lower depths than native Egeria najas, mostly likely allowing it to escape wave disturbance |
| Reference | 42764 |
| Cost | |
| Location | Itaipu Reservoir, Paraná River, Brazil |