| Impact ID | 4677 |
| Impact Type | Infrastructure |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In winter when the vegetative growth of Japanese knotweed, Fallopia japonica, has died back the exposed soil is easily washed away increasing soil erosion especially on steep river banks |
| Reference | 37069 |
| Great Lakes Region | No |
| Cost | |
| Location | UK |
