Localities: Korssjøen: 09.09.1996
| Reporter: | Holmestrand videregående skole |
| Site: | Korssjøen () |
| Date: | 1996-09-09 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Physa fontinalis |
| Number: | 2 |
| Species: | Ephemera vulgata |
| Number: | 19 |
| Species: | Gerris lacustris |
| Number: | 89 |
| Species: | Gammarus lacustris |
| Number: | 45 |
| Species: | Gyraulus acronicus |
| Number: | 2 |
| Species: | Sphaerium corneum |
| Number: | 3 |
| Species: | Lymnaea peregra |
| Number: | 5 |
| Species: | Nepa cinerea |
| Number: | 3 |
| Species: | Caenis horaria |
| Number: | 1 |
| Species: | Cloeon dipterum |
| Number: | 17 |
| Species: | Corixidae indet. |
| Number: | 1 |
| Species: | Gerridae indet. |
| Number: | 12 |
| Species: | Leptophlebia sp. |
| Number: | 1 |
| Species: | Phryganea bipunctata |
| Number: | 1 |
| Species: | Subsigara cf. distincta |
| Number: | 1 |