| Impact ID | 9756 |
| Impact Type | Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The decomposition of mats Didymosphenia geminata depletes dissolved oxygen in the water. Dissolved oxygen in studied rivers remained high at concentrations of 8.1–10.7 mg/l. |
| Reference | 30525 |
| Great Lakes Region | No |
| Cost | |
| Location | Indian Himalayan rivers |