| Impact ID | 7561 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Pleurosira laevis has been recorded to dominate phytoplankton assemblages in other locations in the United States. However, these occurrences were in stream ecosystems and it is unclear if Pleurosira laevis is capable of out-competing native species in Lake Michigan. |
| Reference | 17631 |
| Cost | |
| Location | Colorado River, Arizona, USA |