| Impact ID | 9747 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In South Dakota, decreased macroinvertebrate diversity. Combined percentage of Ephemeroptera, Plecoptera and Trichoptera in areas with D. geminata was lower (41%) than in areas without D. geminata (76%). Diptera abundance was higher at sites with D. geminata than in sites without D. geminata. |
| Reference | 43376 |
| Great Lakes Region | No |
| Cost | |
| Location | Rapid Creek, South Dakota |