| Impact ID | 9339 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Lake George, New York, the increase in coverage of Myriophyllum spicatum from 30% to 95% coverage resulted in significant decline of native plant species density. |
| Reference | 42843 |
| Cost | |
| Location | Lake George, NY |