| Brown trout (Salmo trutta) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) |  |
| Brown trout (Salmo trutta) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Brown trout (Salmo trutta) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Brown trout (Salmo trutta) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Lange, slanke steinfluenymfer (Plecoptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Flate døgnfluenymfer (Ephemeroptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Nordlig marflo (Gammarus lacustris) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Muslinger, små (Bivalvia Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Muslinger, store (Bivalvia Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Snegler, høye (Gastropoda Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Igler (Hirudinea indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Fåbørstemark (Oligochaeta indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Stankelbein (Tipulidae indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Fjærmygg (Chironomidae indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Vårfluelarver m/ hus (Trichoptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Fåbørstemark (Oligochaeta indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Fjærmygg (Chironomidae indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Vårfluelarver m/ hus (Trichoptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Lange, slanke steinfluenymfer (Plecoptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Flate døgnfluenymfer (Ephemeroptera Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Nordlig marflo (Gammarus lacustris) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Gråsugge (Asellus aquaticus) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Muslinger, små (Bivalvia Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Muslinger, store (Bivalvia Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Snegler, høye (Gastropoda Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Snegler, flate (Gastropoda Samlegruppe) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Igler (Hirudinea indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Stankelbein (Tipulidae indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Knott (Simulidae indet.) | | 1997-05-28 | 1997-05-28 | Svenåa (Akershus, Norway) | |
| Lange, slanke steinfluenymfer (Plecoptera Samlegruppe) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Leptophlebialignende døgnfluer (Ephemeroptera Samlegruppe) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Nordlig marflo (Gammarus lacustris) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Fåbørstemark (Oligochaeta indet.) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Stankelbein (Tipulidae indet.) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Lange, slanke steinfluenymfer (Plecoptera Samlegruppe) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Stankelbein (Tipulidae indet.) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Baetislignende døgnfluenymfer (Ephemeroptera Samlegruppe) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Nordlig marflo (Gammarus lacustris) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Gråsugge (Asellus aquaticus) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
| Fåbørstemark (Oligochaeta indet.) | | 1996-09-12 | 1996-09-12 | Svenåa (Akershus, Norway) | |
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