| Impact ID | 9624 |
| Impact Type | Other Ecological Benefits |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Potential food web effects from Glugea hertwigi include those on lake trout. Juvenile lake trout tend to eat slimy sculpin, while adults consume rainbow smelt. Direct competition for slimy sculpin between juvenile lake trout and rainbow smelt has been observed. Lake trout may therefore be a keystone predator in the relationship between rainbow smelt and slimy sculpin. Mortalities in rainbow smelt by G. hertwigi could decrease competition and stress in juvenile lake trout and could have significant beneficial effects on the Great Lakes food web. |
| Reference | 13844 |
| Cost | |
| Location | Lake Ontario |