| Impact ID | 4542 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Systems with Eichhornia azurea in São Paulo, Brazil had higher macroinvertebrate and fish richness than those without the species. |
| Reference | 35835 |
| Great Lakes Region | No |
| Cost | |
| Location | Brazil |