| Impact ID | 7538 |
| Impact Type | Other Ecological Benefits |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The appearance and increased abundance of Discostella pseudostelligera, along with other small planktonic diatoms, can be used as a historical indicator of pollution and changing water quality |
| Reference | 42198 |
| Cost | |
| Location | Brazil |