| Impact ID | 4840 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The mucilaginous cell wall of B. atropurpurea is advantageous when living in the upper littoral zone; however it supports approximately 1000 fewer epiphyte cells/mm2 compared to native organisms like Cladophora This lack of quantity and diversity of algal epiphytes could negatively impact the littoral food web. |
| Reference | 17367 |
| Cost | |
| Location | Lake Michigan |