| Impact ID | 2049 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Potamopyrgus antopodarum accounted for the majority of invertebrate density in a Yellowstone system, totaling 65-95% of secondary production. |
| Reference | 24671 |
| Cost | |
| Location | |