Localities: Krussætertjern: 15.09.1989
| Reporter: | Halden videregående skole Avdeling Christian August/Avdeling Christian August |
| Site: | Krussætertjern () |
| Date: | 1989-09-15 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Bosmina longispina |
| Number: | 3 |
| Original: | Ja |
| Species: | Polyarthra sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Sida crystallina |
| Number: | 1 |
| Original: | Ja |
| Species: | Thermocyclops oithonoides |
| Number: | 2 |
| Original: | Ja |