| Impact ID | 9432 |
| Impact Type | Environmental Water Quality |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Periphyton productivity showed a 4 to 7 fold increase in enclosures where Faxonius rusticus were present, likely due to the indirect effect of reduced macroinvertebrate grazer densities and the direct effect of the reduction of non-photosynthetic portions of the periphyton matrix. |
| Reference | 14621 |
| Cost | |
| Location | Ontonagon River, Michigan |