Nils Olav Handegard
Curriculum Vitae
Education
2001-2004 PhD student (applied mathematics), Institute of marine research
2000 Research assistant, Nansen environmental and remote sencing center
1997-2000 Cand. Scient (Applied mathematics), University of Bergen
1993-1996 Høgskuleingeniør (Mechanical enginering), Trøndelag college
Academic research, professional experience
2004-present Research Scientist, Observation Methodology, Institute of marine research
2010 (January-July) Visiting scholar, Department of Ecology and Evolutionary Biology, Princeton University, NJ, US
2007 (October-December) Acting Head of research group “Observation methodology”
2005-2006 Visiting Scholar, School of Oceanography, University of Washington, WA, US
2005-2006 Visiting Scientist, Alaska Fisheries Science Center, NOAA, Seattle, WA, US,
2001 IIASA Young Scientists Summer Program, Vienna, Austria
Awards
Best paper at the Institute of Marine Research 2007: Ona, Egil and Godø, Olav Rune and Handegard, Nils Olav and Hjellvik, Vidar and Patel, Ruben and Pedersen, Geir (2007). "Silent research vessels are not quiet", J. Acoust. Soc. Am, Vol 121, JASA Express letters online
Best paper at the 2004 ICES Annual Science Conference: Handegard, N.O. and Tjøstheim, D. "The effective swept volume of a bottom trawl", ICES CM 2004/R:07, ICES Annual Science conference, Vigo Sep 2004.
Professional memberships
Chair of the “MAAS group” in the Cliotop programme
Chair of the ICES Working Group on Fisheries Acoustics Science and Technology 2010-2013
Member of the Acoustical Society of America
Publications in institute repository:
Publications (in preparation or in review)
Handegard, N.O. et al. Toward a global observation and modelling system for studying the ecology of the open ocean using acoustics, In Prep
Handegard, N.O.; Tronstad, T.V. & Hovem, J. Noise dose estimation for fish from seismic shooting: a comparison of two cases, In Prep.
Arne Johannes Holmin, Nils Olav Handegard, Rolf Korneliussen and Dag Tjøstheim. Simulations of Underwater Acoustic Observations of Schooling Fish, In Prep
Handegard, N. O.; Boswell, K.; LeBlanc, S.;Tjostheim, D. & Couzin, I.D. Interactions between group hunting predators and schooling prey in a natural marine environment, In Prep
Doksæter, L.; Handegard, N. O.; Kvadsheim, P. H.; Nordlund, N.; Lam, F.-P. A. & Ainslie, M. A. Impact of naval sonar signals on the behaviour of herring (Clupea harengus) and accumulated effect at the population level, In Prep
Doksæter, L.; Handegard, N. O.; Godø, O. R.; Kvadsheim, P. H. & Nordlund, N.
Behavioral responses of captive herring to naval sonar signals (1-1.6 kHz) of a throughout a yearly cycle, in prep
Publications (published or in press)
Handegard, N.O. and Tjøstheim, D. (2009). "The sampling volume of trawl and acoustics: estimating availability probabilities from observations of tracked individual fish", Canadian Journal of Fisheries & Aquatic Sciences. Canadian Journal of Fisheries & Aquatic Sciences, 2009, 66, 425-438.
Handegard, N.O., Pedersen, G. and Brix, O. (2009). "Estimating Tail-beat Frequency using split-beam echosounders", ICES J. Mar. Sci. (SEFACTS conference), Vol. 66, 1252-1258.
Pedersen, G., Handegard, N.O., Ona, E. (2009). "Horizontal target strength of herring, resolved in incident angles using split beam tracking", ICES J. Mar. Sci. (SEFACTS conference), Vol. 66, 1191-1196.
Doksæter L., Godø, O.R, Handegard, N.O., Kvadsheim, P. H., Lam, F. P., Donovan, C and Miller, P.J.O. (2009). "Herring (Clupea harengus) behavioural responses to sonar signals (1-2 and 6-7 kHz) and killer whale feeding sounds", J. Acoust. Soc. Am., Vol. 125, No. 1, pp. 554–564.
Hjellvik, V., Handegard, N.O. and Ona, E. (2008). "Correcting for vessel avoidance in acoustic abundance estimates for herring using a generalized linear model", ICES J. Mar. Sci., Vol. 65, 1036 - 1045
Handegard, N. O. and Williams, K. (2008). "Automated tracking of fish in trawls using the DIDSON (dual frequency identification sonar)", ICES J. Mar. Sci., Vol. 65, pp 636-644
Handegard, Nils Olav (2007). "Observing individual fish behavior in fish aggregations: Tracking in dense aggregations", J. Acoust. Soc. Am, Vol 122(1), 177–187
Ona, Egil and Godø, Olav Rune and Handegard, Nils Olav and Hjellvik, Vidar and Patel, Ruben and Pedersen, Geir (2007). "Silent research vessels are not quiet", J. Acoust. Soc. Am, Vol 121, JASA Express letters online
Georg Skaret, Aril Slotte, Nils Olav Handegard, Bjørn Erik Axelsen and Roar Jørgensen (2006). "Pre-spawning herring in a protected area showed only moderate reaction to a surveying vessel", Fisheries Research, Vol 78, pp 359-367
Nils Olav Handegard, Ruben Patel and Vidar Hjellvik (2005). "Tracking individual fish from a moving platform using a split-beam transducer", J. Acoust. Soc. Am., Vol 118(4), pp 2210-2223
Nils Olav Handegard and Dag Tjøstheim (2005). "When fish meets a trawling vessel: examining the behaviour of gadoids using a free floating buoy and acoustic split-beam tracking", Canadian Journal of Fisheries & Aquatic Sciences, Vol 62, pp 2409-2422
Roar Jørgensen, Nils Olav Handegard, Harald Gjøsæter, and Arill Slotte (2004). "Possible vessel avoidance behaviour of capelin in a feeding area and on a spawning ground", Fisheries Research, Vol 69, pp 251-261
Ruben Patel, Nils Olav Handegard, and Olav Rune Godø (2004)."Behaviour of herring (Clupea harengus L.) towards an approaching autonomous underwater vehicle", ICES Journal of Marine Science, Vol. 61, pp 1044-1049
Nils Olav Handegard, Kathrine Michalsen and Dag Tjøstheim (2003). "Avoidance behaviour in cod (Gadus morhua) to a bottom-trawling vessel", Aquatic Living Resources, Vol 16(3), pp 265-270
