Site: Ørsjøen
| Species | Scientific name | 1993 | 1994 | 1995 |
|---|---|---|---|---|
| Anabaena sp. | 1 | |||
| Asplanchna sp. | 1 | |||
| Coenagrion sp. hastulatum gr. | 1 | |||
| Crucigeniella sp. | 1 | |||
| Cyclotella sp. | 1 | |||
| Pea clam | Pisidium sp. | 1 | 1 | |
| Eudiaptomus sp. | 1 | |||
| Gerridae indet. | 1 | |||
| Libelluloidea indet. | 1 | |||
| Limnephilus sp. | 1 | 1 | 1 | |
| Merismopedia cf. glauca | 1 | |||
| Oocystis sp. | 1 | |||
| Potamophylax sp. | 1 | |||
| Siv | Juncus sp. | 1 | ||
| Torvmoser | Sphagnum sp. | 1 | ||
| Vier | Salix sp. | 1 | ||
| Anabaena flos-aquae | 1 | |||
| Anabaena lemmermannii | 1 | |||
| Bitrichia chodatii | 1 | |||
| Bilberry | Vaccinium myrtillus | 1 | ||
| Bosmina longirostris | 1 | |||
| Buttsnutefrosk | Rana temporaria | 1 | ||
| Closterium kuetzingii | 1 | |||
| Cyclops scutifer | 1 | |||
| Cyrnus flavidus | 1 | |||
| Daphnia longiremis | 1 | |||
| Daphnia longispina | 1 | |||
| Flaskestarr | Carex rostrata | 1 | ||
| Gelékreps | Holopedium gibberum | 1 | ||
| Yellow Water-lily | Nuphar lutea | 1 | ||
| Heterocope appendiculata | 1 | |||
| Holocentropus dubius | 1 | |||
| Leptophlebia marginata | 1 | |||
| Leptophlebia vespertina | 1 | |||
| Limnephilus rhombicus | 1 | |||
| Liten vannløper | Gerris lacustris | 1 | 1 | |
| Nordskivesnegl | Gyraulus acronicus | 1 | ||
| Phryganea bipunctata | 1 | |||
| Somatochlora metallica | 1 | 1 | ||
| Tabellaria flocculosa | 1 | 1 | ||
| Tjernaks | Potamogeton natans | 1 | ||
| Vanlig damsnegl | Lymnaea peregra | 1 | ||
| Ørekyt | Phoxinus phoxinus | 1 | ||
| Lungesnegler | Pulmonata indet. | 1 |
Sustain.no is provided by the Norwegian Centre for Science Education