| Impact ID | 7171 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Blooms of Ulva flexuosa in Europe have been associated with the extirpation of species of red algae and epiphytes. |
| Reference | 17513 |
| Cost | |
| Location | K?nigshafen Bay, Wadden Sea |