| Impact ID | 7474 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Psammonobiotus communis was first detected in the Great Lakes through surveys of beach sand in 2001 and 2002, in which this amoeba was the most abundant psammobiont (obligate sand-dwelling) testate rhizopod collected (> 100 specimens total). However, compared to abundance in marine beaches, the density of Psammonobiotus communis in the Great Lakes has been relatively low. |
| Reference | 16258 |
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| Location | |