| Impact ID | 4229 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Due to its tendency to consume litter and peat, Phragmites australis-dominated sites contributed to the lower relative marsh surface elevation in man-made tidal alterations |
| Reference | 36124 |
| Cost | |
| Location | New England Region, USA |