| Impact ID | 6638 |
| Impact Type | Water Quality Benefit |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Sparganium erectum fine sediment retention may contribute to bank stability and water clarity; however, it can also affect the discharge of a river and lead to flooding. |
| Reference | 32357 |
| Cost | |
| Location | Moto-Arakawa River, Japan |