Bakgrunn og aktiviteter
Dr. philos. ved Universitetet i Trondheim (1982). Forskning: Herpetologi, biogeografi og bevaringsbiologi
Vitenskapelig, faglig og kunstnerisk arbeid
Et utvalg av nyere tidsskriftspublikasjoner, kunstneriske produksjoner, bok, inklusiv bokdeler og rapport-del. Se alle publikasjoner i databasen
Tidsskriftspublikasjoner
- (2014) Hoggormen i Norge - om overdrivelser, nordgrenser og juks. Fauna. vol. 66.
- (2011) Eldre opplysningar om elvemuslingen Margaritifera margaritifera etter Joh. O. Simonnæs. Del 3. Fauna. vol. 65.
- (2010) A comparison of external and internal attachments of radio transmitters on adult crested newts Triturus cristatus. Amphibia-Reptilia. vol. 31 (2).
- (2009) The backswimmer Notonecta glauca L. (Hemiptera, Notonectidae) in Central Norway. Norwegian Journal of Entomology. vol. 56 (1).
- (2008) Scandinavian amphibians: their aquatic habitat and tolerance to acidic water - a field study. Fauna Norvegica. vol. 26/27.
- (2008) Distribution, habitat ecology and status of the moor frog (Rana arvalis) in Norway. Zeitschrift für Feldherpetologie/Laurenti Verlag.
- (2008) Distribution, status and threats of the freshwater pearl mussel Margaritifera margaritifera (Linnaeus) (Bivalvia, Margaritiferidae) in Norway. Fauna Norvegica. vol. 26/27.
- (2008) Scandinavian amphibians: their aquatic habitat and tolerance to acidic water - a field study. Fauna Norvegica. vol. 26/27.
- (2008) Forsuring - en viktig årsak til tilbakegang for elvemuslingen. pH-status : forum for sur nedbør og kalking. vol. 14 (2).
- (2006) Effects of pH, aluminium, and soft water on larvae of the amphibians Bufo bufo and Triturus vulgaris. Canadian Journal of Zoology. vol. 84.
- (2006) Habitat use during the aquatic phase of the newts Triturus vulgaris (L.) and T. cristatus (Laurenti) in central Norway: proposition for a conservation and monitoring area. Amphibia-Reptilia. vol. 27.
- (2005) The amphibian decline in Norway - reasons and remedy. (Case: acidic precipitation). Russian Journal of Herpetology. vol. 12.
- (2005) Sibirgjellesneglen Valvata sibirica funnet på Vikna i Nord-Trøndelag. Fauna. vol. 58.
- (2004) The distribution of Rana temporaria L. (Amphibia) in an acidified and a non-acidified region of Norway. Fauna Norvegica. vol. 24.
- (2004) The impact of acidic precipitation and eutrophication on the freshwater pearl mussel Margaritifera margaritifera (L.) in Southern Norway. Fauna Norvegica. vol. 24.
- (2004) Corixa panzeri (Fieber), a species new to Norway, and Paracorixa concinna (Fieber) (Hemiptera-Heteroptera, Corixidae), in Gjerstadvannet, Arendal. Norwegian Journal of Entomology. vol. 51.
- (2004) The distribution of Rana temporaria L (Amphibia) in an acidified and a non-acidified region of Norway. Fauna Norvegica. vol. 24.
- (2004) Distribution of Palaemonetes varians (Leach) (Crustacea, Decapoda) in relation to biotope and other caridean shrimps in brackish waters of southern Norway and southwestern Sweden. Sarsia. vol. 89.
- (2003) Distribution and ecology of the water spider, Argyroneta aquatica (Clerk) (Araneae, Cybaeidae), in Norway. Norwegian Journal of Entomology. vol. 50.
- (2002) Life history of Ilybius fenestratus (Fabricius) (Coleoptera, Dytiscidae) in a Central Norwegian lake. Aquatic Insects. vol. 24.