| Impact ID | 2724 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The introduction of blueback herring into Theo Reservoir in Briscoe County, Texas resulted in the
elimination of large-bodied zooplankton; the community shifted from cladoceran to copepod dominance |
| Reference | 812 |
| Cost | |
| Location | |