| Impact ID | 7560 |
| Impact Type | Other |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Nitellopsis obtusa increases in the Netherlands have been associated with increases in populations of red-crested pochards (Netta rufina), which feed preferentially on this species, possibly because it is a good source of calcium and sulfur. |
| Reference | 17619 |
| Great Lakes Region | No |
| Cost | |
| Location | Netherlands |
