Localities: Hammervatnet: 08.10.1989
| Reporter: | Levanger videregående skole |
| Site: | Hammervatnet () |
| Date: | 1989-10-08 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Bosmina longispina |
| Number: | 2 |
| Original: | Ja |
| Species: | Daphnia galeata |
| Number: | 1 |
| Original: | Ja |
| Species: | Heterocope appendiculata |
| Number: | 1 |
| Original: | Ja |
| Species: | Kellicottia longispina |
| Number: | 2 |
| Original: | Ja |
| Species: | Sida crystallina |
| Number: | 1 |
| Original: | Ja |