| Impact ID | 4822 |
| Impact Type | Recreation |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Since Didymosphenia geminata is spread from site to site unintentionally through contaminated fishing gear, angler activities are impacted by management; fishermen from across the Unites States reported in surveys that they spent time decontaminating fishing gear and that didymo was the invasive species of greatest concern. |
| Reference | 37240 |
| Great Lakes Region | No |
| Cost | |
| Location | United States |