| Impact ID | 7203 |
| Impact Type | Environmental Water Quality |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In China, massive blooms (Ulva prolifera) covered large extents of the sea bottom (13,000-30,000 km2) and decoupled biogeochemical cycles between the sediments and the water column. These chemical changes exposed native flora and fauna to oxygen deficiency and anoxia. |
| Reference | 42155 |
| Cost | |
| Location | |