Localities: Hammervatnet: 11.06.1997
| Reporter: | Levanger videregående skole |
| Site: | Hammervatnet () |
| Date: | 1997-06-11 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Bosmina longispina |
| Number: | 4 |
| Species: | Eucyclops serrulatus |
| Number: | 1 |
| Species: | Heterocope sp. |
| Number: | 1 |
| Species: | Trichocerca |
| Number: | 1 |