| Impact ID | 8023 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Dense mats of common frogbit (Hydrocharis morsus-ranae) can inhibit the movement of waterfowl or larger fish, which could alter predator/prey cycles as the waterfowl and fish move to other locations to find food. |
| Reference | 42435 |
| Cost | |
| Location | |