Site: Elgtjern
| Species | Scientific name | 1989 | 1990 | 1994 |
|---|---|---|---|---|
| Ablabesmyia cf. longistyla | 1 | |||
| Achroonema sp. | 1 | |||
| Anabaena sp. | 1 | 2 | ||
| Arctocorisa sp. | 1 | 1 | ||
| Calothrix sp. | 1 | |||
| Coelosphaerium sp. | 1 | |||
| Coenagrion sp. hastulatum gr. | 1 | |||
| Coenagrionidae indet. | 1 | |||
| Pea clam | Pisidium sp. | 1 | ||
| Gerridae indet. | 1 | |||
| Mallomonas sp. | 1 | |||
| Mallomonas spp. | 1 | 1 | ||
| Merismopedia cf. elegans | 1 | |||
| Merismopedia sp. | 2 | |||
| Microcystis sp. | 2 | |||
| Microcystis spp. | 1 | |||
| Nitzschia sp. | 1 | |||
| Nostoc sp. | 1 | |||
| Oocystis cf. lacustris | 1 | |||
| Oocystis sp. | 2 | |||
| Peridinium sp. | 2 | |||
| Peridinium spp. | 1 | |||
| Scenedesmus sp. | 2 | |||
| Sphaerocystis sp. | 2 | |||
| Staurastrum sp. | 2 | |||
| Staurodesmus sp. | 2 | |||
| Surirella sp. | 1 | |||
| Tjønnaks | Potamogeton sp. | 1 | ||
| Zygnema sp. | 1 | |||
| Aeshna grandis | 1 | |||
| Agabus arcticus | 1 | |||
| Agrypnia pagetana | 1 | 1 | ||
| Alona affinis | 1 | |||
| Ankistrodesmus falcatus | 2 | |||
| Ankistrodesmus gracilis | 1 | |||
| Bitrichia chodatii | 2 | |||
| Bosmina longispina | 1 | |||
| Eurasian Wigeon | Anas penelope | 1 | ||
| Callicorixa producta | 1 | 1 | ||
| Chaoborus obscuripes | 1 | |||
| Cloeon simile | 1 | |||
| Closterium kuetzingii | 2 | |||
| Coenagrion hastulatum | 1 | |||
| Daphnia longispina | 1 | |||
| Demicryptochironomus vulneratus | 1 | |||
| Dixella aestivalis | 1 | |||
| Moose | Alces alces | 1 | ||
| Elvesnelle | Equisetum fluviatile | 1 | ||
| Enallagma cyathigerum | 1 | |||
| Euastrum elegans | 1 | |||
| Flaskestarr | Carex rostrata | 1 | ||
| Fragilaria crotonensis | 2 | |||
| Gerris odontogaster | 1 | |||
| Gomphosphaeria lacustris | 1 | |||
| Gonatozygon brebissonii | 1 | |||
| Gyrinus minutus | 1 | |||
| Holocentropus dubius | 1 | |||
| Holocentropus insignis | 1 | |||
| Hoppekreps | Acanthodiaptomus denticornis | 1 | ||
| Hydroporus obscurus | 1 | |||
| Ilybius aenescens | 1 | |||
| Klubbestarr | Carex buxbaumii | 1 | ||
| Eurasian Teal | Anas crecca | 1 | ||
| Liten vannløper | Gerris lacustris | 1 | 1 | |
| Monoraphidium lacustris | 1 | |||
| Nordlig marflo | Gammarus lacustris | 1 | ||
| Phryganea bipunctata | 1 | 1 | ||
| Phryganea grandis | 1 | |||
| Pogonocladius consobrinus | 1 | |||
| Quadrigula closterioides | 1 | |||
| Retrocorixa semistriata | 1 | |||
| Arctic char | Salvelinus alpinus | 1 | ||
| Roe Deer | Capreolus capreolus | 1 | ||
| Scenedesmus obliquus | 1 | |||
| Sialis lutaria | 1 | |||
| Småsalamander | Triturus vulgaris | 1 | ||
| Somatochlora metallica | 1 | 1 | ||
| Mallard | Anas platyrhynchos | 1 | ||
| Stor vannkalv | Dytiscus marginalis | 1 | ||
| Tabellaria flocculosa | 1 | 2 | ||
| Tjernaks | Potamogeton natans | 1 | ||
| Trådstarr | Carex lasiocarpa | 1 | ||
| Brown trout | Salmo trutta | 1 |
