| Impact ID | 7205 |
| Impact Type | Commerce |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In Spanish waters, Ulva prolifera is one of the species responsible for fouling intertidal oyster culture systems, although this problem can be partly controlled by snail grazing. |
| Reference | 17563 |
| Cost | |
| Location | |