Localities: Arkavatnet: 28.08.1989
| Reporter: | Vardafjell videregående skole |
| Site: | Arkavatnet () |
| Date: | 1989-08-28 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Eudiaptomus gracilis |
| Number: | 1 |
| Original: | Ja |
| Species: | Bosmina longispina |
| Number: | 2 |
| Original: | Ja |