Localities: Koltjønna: 28.05.1991
| Reporter: | Fosen videregående skole |
| Site: | Koltjønna () |
| Date: | 1991-05-28 |
| Activity: | VANDA: Dyreplankton |
Observation
| Species: | Asplanchna priodonta |
| Number: | 2 |
| Original: | Ja |
| Species: | Cyclops scutifer |
| Number: | 2 |
| Original: | Ja |
| Species: | Daphnia longispina |
| Number: | 3 |
| Original: | Ja |
| Species: | Keratella cochlearis |
| Number: | 3 |
| Original: | Ja |
| Species: | Keratella hiemalis |
| Number: | 2 |
| Original: | Ja |