Localities: Trytetjønnet: 08.09.1989
| Reporter: | Numedal videregående skole |
| Site: | Trytetjønnet () |
| Date: | 1989-09-08 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Acantholeberis curvirostris |
| Number: | 2 |
| Original: | Ja |
| Species: | Acroperus harpae |
| Number: | 1 |
| Original: | Ja |
| Species: | Alona affinis |
| Number: | 2 |
| Original: | Ja |
| Species: | Alonopsis elongata |
| Number: | 2 |
| Original: | Ja |
| Species: | Polyphemus pediculus |
| Number: | 1 |
| Original: | Ja |