| Impact ID | 7174 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | If Ulva flexuosa was to replace Oedogonium and Cladophora, which support many diatoms, food webs depending on such epiphytes could be negatively affected. |
| Reference | 17219 |
| Cost | |
| Location | Michigan, USA |