| Impact ID | 9340 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Lake Waneta, New York, the presence of Myriophyllum spicatum reduced the presence of native species. |
| Reference | 42843 |
| Great Lakes Region | No |
| Cost | |
| Location | Lake Waneta, NY |