Populasjons- og habitatøkologi hos terrestriske vertebrater (spesielt smågnagere), landskapsøkologi, høyfjellsøkologi, skogøkologi, indikatorer for og overvåking av biomangfold.
Main scientific experience covers population and habitat ecology of small mammals in boreal forests and mountain ecosystems. Applied research and consultancy work includes studies and assessments of boreal forest ecology, protected areas, ecological effects of agriculture and forestry on species and ecosystems, environmental impact assessments of infrastructure development projects, as well as assessments, indicators and monitoring of terrestrial biodiversity.
Main administrative experience covers management of NINA's research department in Oslo over > 25 yrs, as well as coordination of terrestrial ecosystem monitoring and major research projects and programmes on boreal forests or cultural landscapes.
1977: Cand.real. (M.Sc.) i zoologi, Univ. i Oslo
1973: Cand.mag. (B.Sc.) i naturvitenskap, Univ. i Oslo
2004-present: Head of NINA's research division in Oslo. 2002-2004: Research ecologist, co-ordinator for landscape ecology, NINA. 1988-2002: Head of Div. of Landscape Ecology, NINA. 1984-1988: Research ecologist in the Programme for Applied Ecological Research (Økoforsk), at the Agricultural University of Norway (NLH); head of unit from 1985. 1979-1984: University research fellow,Dept. of Zoology, University of Oslo. 1977-1979: Research assistant at the Dept. of Zool., Univ. of Oslo.
1989: Multidisciplinary course on Svalbard, KOMMIT/Univ. of Trondheim Graduate courses on: Small mammal population ecology (1979) Methods of ecological genetics (1979), Spacing patterns in birds and mammals - causes and consequences (1982) 1978: The Satellite Program in Statistical Ecology, NATO Advanced Study Institutes and ISEP Research Workshops, Parma, Italy 1974-75: Visiting student/scientist working on ecosystem modelling at the Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, USA
Engelsk (utmerket), tysk (begrenset), fransk (begrenset)