Localities: Svartåstjern: 04.09.1991
| Reporter: | Kongsberg videregående skole/Undervisningssted Tinus Olsen |
| Site: | Svartåstjern () |
| Date: | 1991-09-04 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Lumbriculus variegatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Pagastiella orophila |
| Number: | 1 |
| Original: | Ja |
| Species: | Sialis lutaria |
| Number: | 1 |
| Original: | Ja |