Site: Fetvatnet
| Species | Scientific name | 1989 | 1990 | 1992 | 1994 |
|---|---|---|---|---|---|
| Chironomus sp. | 2 | ||||
| Pea clam | Pisidium sp. | 2 | |||
| Filinia sp. | 1 | ||||
| Fragilaria sp. | 1 | ||||
| Gerridae indet. | 1 | ||||
| Gås | Anatidae sp. | 1 | |||
| Limnephilus sp. | 1 | ||||
| Macropelopia sp. | 1 | ||||
| Mallomonas sp. | 3 | ||||
| Microspora sp. | 1 | ||||
| Oscillatoria sp. | 2 | ||||
| Peridinium sp. | 1 | ||||
| Psectrocladius psilopterus gr. | 1 | ||||
| Psectrocladius sp. | 1 | ||||
| Stictochironomus sp. | 2 | ||||
| Tjønnaks | Potamogeton sp. | 1 | |||
| Agabus bipustulatus | 1 | ||||
| Agabus sturmii | 1 | 2 | |||
| Asterionella formosa | 1 | ||||
| Bosmina longispina | 1 | ||||
| Botnegras | Lobelia dortmanna | 1 | |||
| Buttsnutefrosk | Rana temporaria | 1 | |||
| Chrysolykos skujai | 1 | ||||
| Closterium limneticus | 1 | ||||
| Dinobryon crenulatum | 4 | ||||
| Dinobryon divergens | 1 | 4 | |||
| Dinobryon sertularia | 2 | ||||
| Elvesnelle | Equisetum fluviatile | 1 | |||
| Flaskestarr | Carex rostrata | 1 | |||
| Gelékreps | Holopedium gibberum | 1 | |||
| Gerris lateralis | 1 | ||||
| Grøftesoleie | Ranunculus flammula | 1 | |||
| Grey Heron | Ardea cinerea | 1 | |||
| Herring Gull | Larus argentatus | 1 | |||
| Haliplus ruficollis | 1 | ||||
| Hesperocorixa sahlbergi | 1 | ||||
| Hesterumpe | Hippuris vulgaris | 1 | |||
| Heterotrissocladius maeaeri | 1 | ||||
| Hydroporus palustris | 1 | 1 | 1 | ||
| Ilybius fuliginosus | 1 | 2 | 1 | ||
| Kellicottia longispina | 1 | ||||
| Hooded Crow | Corvus cornix | 1 | |||
| Laks | Salmo salar | 1 | |||
| Limnephilus stigma | 1 | ||||
| Limnephilus vittatus | 1 | ||||
| Liten vannløper | Gerris lacustris | 1 | |||
| Lumbriculus variegatus | 1 | 1 | |||
| Barn Swallow | Hirundo rustica | 1 | |||
| Megacyclops viridis | 1 | ||||
| Mystacides azurea | 1 | ||||
| Nemoura cinerea | 1 | ||||
| Paratanytarsus penicillatus | 1 | ||||
| Platambus maculatus | 1 | 2 | |||
| Prodiamesa olivacea | 1 | ||||
| Arctic char | Salvelinus alpinus | 1 | |||
| Sergentia coracina | 1 | ||||
| Sergentia longiventris | 1 | ||||
| Siphlonurus lacustris | 1 | ||||
| Stivt brasmegras | Isoëtes lacustris | 1 | |||
| Mallard | Anas platyrhynchos | 1 | |||
| Storfe | Bos taurus | 1 | |||
| Stylodrilus heringianus | 2 | ||||
| Tabellaria flocculosa | 3 | ||||
| Tjerngras | Littorella uniflora | 1 | |||
| Trepigget stingsild | Gasterosteus aculeatus | 1 | |||
| Trådtjernaks | Stuckenia filiformis | 1 | |||
| Tusenblad | Myriophyllum alterniflorum | 1 | |||
| Vanlig damsnegl | Lymnaea peregra | 2 | |||
| Brown trout | Salmo trutta | 1 |
