| Impact ID | 4073 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Gizzard Shad body condition and catch per unit effort decreased after the introduction Bighead Carp and Silver Carp, and increased following implementation of contractual harvest as a management and control method, suggesting higher availability of a shared forage resource (zooplankton) |
| Reference | 35727 |
| Great Lakes Region | No |
| Cost | |
| Location | |
