| Impact ID | 7199 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In recent years, large blooms (over 1 million tons) of Ulva prolifera have lead to declines in seagrass beds due to shading, disruption of feeding by wading birds, and an overall loss of algal biodiversity. |
| Reference | 42155 |
| Cost | |
| Location | |