| Impact ID | 3476 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | N/A |
| Impact Description | Commercial activities of the inhabitants of the Sepik River system in Papua New Guinea were curtailed or halted due to Salvinia molesta impeding waterway traffic. |
| Reference | 28402 |
| Great Lakes Region | No |
| Cost | |
| Location | |