Lokaliteter: Arkavatnet: 25.09.1990
| Rapportør: | Vardafjell videregående skole |
| Lokalitet: | Arkavatnet (Haugesund, Rogaland) |
| Dato: | 25.09.1990 |
| Aktivitet: | VANDA: Bunndyr |
Funn
| Art: | Ertemusling (Pisidium sp.) |
| Antall: | 48 |
| Original: | Ja |
| Art: | Ertemusling (Pisidium sp.) |
| Antall: | 1 |
| Original: | Ja |
| Art: | Toøyd flatigle (Helobdella stagnalis) |
| Antall: | 1 |
| Original: | Ja |
| Art: | Agabus bipustulatus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Anacaena lutescens |
| Antall: | 1 |
| Original: | Ja |
| Art: | Chydorus sp. |
| Antall: | 1 |
| Original: | Ja |
| Art: | Cloeon simile |
| Antall: | 3 |
| Original: | Ja |
| Art: | Coenagrionidae indet. |
| Antall: | 4 |
| Original: | Ja |
| Art: | Cyrnus flavidus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Dicrotendipes pulsus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Enallagma cyathigerum |
| Antall: | 1 |
| Original: | Ja |
| Art: | Gerris odontogaster |
| Antall: | 2 |
| Original: | Ja |
| Art: | Gyrinus substriatus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Hesperocorixa linnaei |
| Antall: | 4 |
| Original: | Ja |
| Art: | Hydroporus palustris |
| Antall: | 1 |
| Original: | Ja |
| Art: | Hydroporus umbrosus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Hydropsyche siltalai |
| Antall: | 38 |
| Original: | Ja |
| Art: | Ilybius fuliginosus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Ilybius fuliginosus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Leptophlebia vespertina |
| Antall: | 1 |
| Original: | Ja |
| Art: | Leuctra fusca |
| Antall: | 1 |
| Original: | Ja |
| Art: | Leuctra fusca |
| Antall: | 1 |
| Original: | Ja |
| Art: | Limnephilus flavicornis |
| Antall: | 2 |
| Original: | Ja |
| Art: | Limnephilus sp. |
| Antall: | 7 |
| Original: | Ja |
| Art: | Limnephilus sp. |
| Antall: | 1 |
| Original: | Ja |
| Art: | Lumbriculida |
| Antall: | 1 |
| Original: | Ja |
| Art: | Lumbriculus variegatus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Macrocyclops sp. |
| Antall: | 1 |
| Original: | Ja |
| Art: | Macropelopia sp. |
| Antall: | 1 |
| Original: | Ja |
| Art: | Microtendipes pedellus gr. |
| Antall: | 1 |
| Original: | Ja |
| Art: | Nais communis |
| Antall: | 1 |
| Original: | Ja |
| Art: | Neureclipsis bimaculata |
| Antall: | 3 |
| Original: | Ja |
| Art: | Platambus maculatus |
| Antall: | 2 |
| Original: | Ja |
| Art: | Polycentropus flavomaculatus |
| Antall: | 2 |
| Original: | Ja |
| Art: | Polycentropus irroratus |
| Antall: | 2 |
| Original: | Ja |
| Art: | Protanypus caudatus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Pyrrhosoma nymphula |
| Antall: | 1 |
| Original: | Ja |
| Art: | Rhyacophila nubila |
| Antall: | 4 |
| Original: | Ja |
| Art: | Stictochironomus sp. |
| Antall: | 2 |
| Original: | Ja |
| Art: | Tanytarsus aculeatus |
| Antall: | 1 |
| Original: | Ja |
| Art: | Triaenodes bicolor |
| Antall: | 1 |
| Original: | Ja |
| Art: | Velia caprai |
| Antall: | 1 |
| Original: | Ja |