| Impact ID | 8315 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | New Zealand mudsnail (Potamopyrgus antipodarum) also appeared to play a large role in nitrogen cycling through extensive ammonium excretion. |
| Reference | 24671 |
| Cost | |
| Location | Polecat Creek, Wyoming, USA |