Rådgiving til fiskeriforvaltningen
Bestandsberegning av bunnfisk i Barentshavet og kysttorsk nord for 62-graden
Bunnfisktokt i Barentshavet og på norskekysten
Name of Firm: Institute of Marine Research
Name of Person:
Date of birth:
June 2, 1954
Married, 4 children born 1982, 1984, 1987, 1990
Scientist in Fisheries Biology
Position in Firm:
Specialization in Firm:
Survey methodology, Fish Stock Assessment
Years with Firm:
Present address: Institute of Marine Research, Box 1870, N-5817 Bergen, Norway,
Tel: +47 93630658, Fax: +47 55 23 86 87,
Estimation of fish abundance from research surveys. Research on errors in fish abundance estimates from acoustic surveys and bottom trawl surveys.
Fish stock assessment and advice for fisheries management.
Research on fish behavior relative to vessels and fishing gear.
1979 Cand. real., Fisheries Biology, University of Bergen, Norway
1989 Dr. Scient., Fisheries Biology, University of Bergen, Norway
1996 Considered qualified as Senior Scientist (Forsker 1110)
2003 Considered qualified as “Scientist 1183” (Forsker 1183)
2013 Co-chair of Norwegian Russian Working Group for harmonizing technical regulations in fisheries
2012 Co-chair of ICES Advice Drafting Group for Celtic Stocks
2004 Project leader, Potential long term yield of Barents Sea fish stocks
Adjunct professor in Fisheries Biology, Institute of Aquatic Biology, University of Tromsø
2003-2006 Member of the EU project “European advisory system evaluation”, steering group member and work package coordinator
2000-2011 Project leader, Joint Russian-Norwegian demersal surveys, Barents Sea, February
Project leader. Integrated survey techniques
1995-1999 Project leader. Summer surveys on demersal fish in the Barent Sea.
1995 Project leader. Stock assessment of demersal fish in the North Sea and Skagerrak.
1991 Project leader. Fish abundance estimation by use of sonar.
1980-1992 Acoustic surveys and stock assessment for herring and sprat in the North Sea
1979-1989 Research on sources of error to acoustic fish abundance estimates
Special Topics of Interest:
Vertical distribution of fish in relation to survey methodology
Methods of combining fish densities estimated from acoustic measurements and densities estimated from bottom trawl catches.
Natural mortality in fish stocks
2006 Internal Examiner M.phil. exams at University of Tromsø.
Committee Leader at Doctor of Science and PhD defences, Univ. of Tromsø
2004 Opponent at Doctor of Science and PhD defences, Univ. of Bergen
External Examiner for final degree (Cand.real., Cand. Scient and M.phil.) exams at University of Bergen.
Engaged by Center of Independent Experts to review research project at NMFS, Seattle
1990 Evaluator of Projects at Instiute of Freshwater Research, Stockholm, Sweden.
1989-1993 Scientific adviser for the Norwegian Delegation at international fisheries negotiations
1979-1981 4 months engagement by FAO/NORAD for stock assessment surveys in the Gulf of Oman and at the north-western shelf of Sumatra.
Member of Committees, Working Groups and Study Groups in the International Council for the Exploration of the Sea (ICES):
2006 Workshop for the Exploration of the Dynamics of Fish Stocks in Poor Conditions
Working Group on Methods on Fish Stock Assessments
1998-2013 Arctic Fisheries Working Group (16 meetings)
1996-2013 (except 01-05) Advisory Committee for Fisheries Management (ACFM/ACOM)
1997-2002 Study Group on the Precautionary Approach to Fisheries Management (3 meetings)
1995 International Bottom Trawl Survey Working Group (1 meeting)
1986-1992 Assessment Working Group for Herring stocks south of 62° N (7 meetings)
1985-1992 Fisheries Acoustics Science and Technology Working Group (6 meetings)
1980-1994 Planning Group for Herring Surveys. (ca 10 meetings, Chair in 1994)