Localities: Sognsvann: 23.05.2005
| Reporter: | Oslo By Steinerskole |
| Site: | Sognsvann () |
| Date: | 2005-05-23 |
| Registered: | 2005-05-26 |
| Activity: | Plankton i ferskvatn |
Measurements
| Dyreplankton: Maskevidd: | 50 | micrometer |
Observation
| Species: | Daphnia |
| Comment: | Vanleg |
| Species: | Rotifera |
| Comment: | Vanleg |
| Species: | Bosmina |
| Comment: | Vanleg |
| Species: | Calanoida |
| Comment: | Vanleg |
| Species: | Cyclopoida |
| Comment: | Vanleg |
| Species: | Polyphemus pediculus |
| Comment: | Dominerande |