| Impact ID | 5242 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Rhithropanopeus harrisii dominated the invertebrate community in the invaded waters of several anthropogenically polluted freshwater/oligohaline marinas in Normandy reaching densities of 1077 ind/m2 |
| Reference | 38066 |
| Cost | |
| Location | Normandy, France |