| Impact ID | 8773 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Dense populations of Najas minor (brittle waternymph) have increased sedimentation rates and clogged waterways in Massachusetts. |
| Reference | 35281 |
| Great Lakes Region | No |
| Cost | |
| Location | |