| Impact ID | 7200 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Ulva prolifera mats that formed on intertidal sandflats in Scotland were found to significantly decrease the macrofaunal diversity. These negative impacts were particularly on species that use planktonic larval recruitment. |
| Reference | 17562 |
| Cost | |
| Location | Firth of Forth, Scotland |