| Impact ID | 7050 |
| Impact Type | Habitat Alteration |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Hydrilla verticillata forms a dense mat of vegetation at the water surface and limits light penetration degrading or
eliminating all layers below. This species causes severe alterations of plant community composition, community structure, and ecosystem
processes in water bodies in California. |
| Reference | 42106 |
| Great Lakes Region | No |
| Cost | |
| Location | California |
