| Impact ID | 7773 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Spawning coho salmon (Oncorhynchus kisutch) significantly reduced the number and weight of invertebrates over the short term due to disturbance of bottom material. Total abundance and weight were reduced by 66% and 78%, respectively, relative to controls in the December following the autumn 1967 spawning. |
| Reference | 24304 |
| Cost | |
| Location | Platte River, Grand Traverse County, Michigan, USA |