| Impact ID | 2690 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Shells of individual unionids carry in excess of 10,000 D. polymorpha, and lipid reserves of such unionids are only 50 percent those of unaffected individuals. |
| Reference | 9052 |
| Cost | |
| Location | |