| Impact ID | 9258 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Hungarian waters, the presence of Pacifastacus leniusculus resulted in statistically significant declines in relative abundance of Ephemeroptera, Odonata, and Trichoptera. Pacifastacus leniusculu presence also resulted in total macroinvertebrate relative abundance decline. |
| Reference | 40072 |
| Cost | |
| Location | Hungary |