Environmental pollution, bioaccumulation and effects, especially in birds (seabirds and birds of prey), Seabirds and waterfowl distribution and ecology, Birds of prey studies; (Sea-Eagle population dynamics and dispersal, goshawk and forestry, environmental pollution, ecotoxicology, population dynamics, relation with habitats and prey, impact of windfarms) Environmental impact assessments, satellite telemetry, Database management.
1997: Dr. scient. NTNU, Trondheim, Norway 1981: M.Sc., (Cand. Real.), Zoology, 1970: Graduate of Levanger Gymnasium, 1968: Graduate of Woodland High School, Washington, USA.
Mother tongue: Norwegian. Others: English (fluent), German (moderate) French (elementary).