Institute of Marine Research

Tor Knutsen

            Phone:
            
              55 23 84 76
              
            E-mail: 
            
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            Visiting address:
            
              Havforskningsinstituttet, 
Postboks 1870 Nordnes, 
5817 Bergen

Works with

Barents Sea Zooplankton Monitoring and Management
Development and integration of zooplankton sampling methodology and instrumentation in the field and laboratory (Messor, MUST, Macroplankton trawl, Multisampler, Zooscan)
Zooplankton acoustics
Krill in the Barents Sea, Norwegian Sea, Antarctic and Norwegian fjords
Towed integrated measurement platforms (MESSOR, MUST)
Postprocessing of data from the Plankton Group's towed vehichles holding various instruments like the Optical Plankton Counter (OPC), Fluorometers, CTD, light sensors, the SIMRAD 38, 70, 120, 200 and 333 kHz acoustic sensors, Multinet plankton sampler and the Laser Optical Plankton Counter (LOPC).

Curriculum Vitae

Cand. real. thesis (In Norwegian):
Knutsen, T. (1985) Populasjonsendringer hos lyskrepsen Meganyctiphanes norvegica (M. Sars) i Korsjorden sett i forhold til hydrografi, strømforhold og populasjoner i omkringliggende områder. Pp. 1-233.

In English:
Knutsen, T. (1985) Population changes of the krill Meganyctiphanes norvegica (M. Sars) in Korsfjorden with respect to hydrography, current conditions and populations in adjacent areas. Pp. 1-233.

Krafft, B.A., W. Melle, T. Knutsen, E. Bagøien, C. Broms, B. Ellertsen, V. Siegel (2010) Distribution and demography of Antarctic krill in the Southeast Atlantic sector of the Southern Ocean during the austral summer 2008, Polar Biology, 33: 957-968.

Korneliussen, R.J., Heggelund, Y., Eliassen, I.K., Øye, O.K., Knutsen, T., and Dalen, J., (2009). Combining multibeam-sonar and multi-frequency echo sounder data: examples of the analysis and imaging of large euphausiid schools. ICES Journal of Marine Science, 66: 991–997.

Zedel, L., Patro, R., and Knutsen, T. (2005). Fish behaviour and orientation-dependent
backscatter in acoustic Doppler profiler data. ICES Journal of Marine Science, 62:
1191-1201.

Hassel, A, Knutsen, T., Dalen, J., Skaar, K., Løkkeborg, S., Misund, O.A., Østensen, Ø., Fonn, M., Kyrkjebø Haugland, E. (2004). Influence of seismic shooting on the lesser sandeel (Ammodytes marinus). ICES/FAO Symposium on "Fish Behaviour in Exploited Ecosystems", 23-26 June 2003 Bergen, Norway. ICES Journal of Marine Science, 61:1165-1173.

Zedel, L., Knutsen T. and Patro R. (2003). Acoustic Doppler current profiler observations of herring movement. ICES Journal of Marine Science, 60:846-859.

Knutsen, T., W. Melle and L. Calise (2001). Determining the mass density of marine copepods and their eggs with a critical focus on some of the previously used methods. J. Plankton Research, 23: 859-873.

Kaartvedt, S., Knutsen, T. and J.C. Holst (1998). Schooling of the vertically migrating mesopelagic fish Maurolicus muelleri in light summer nights. Mar. Ecol. Prog. Ser. 170: 287-290.

Torgersen, T., S. Kaartvedt, W. Melle and T. Knutsen (1997). Large scale distribution of acoustical scattering layers at the continental shelf and the eastern Norwegian Sea.
Sarsia 82:87-96.

Kaartvedt, S., W. Melle, T. Knutsen, H.R. Skjoldal (1996). Vertical distribution of fish and krill beneath water of varying optical properties. Mar. Ecol. Prog. Ser. 136: 51-58.

Gallego, A., L.H. Cargill, M.R. Heath, S.J. Hay, T. Knutsen (1995). An Assessment of the Immediate Effect on the Braer Oil-Spill on the Growth of Herring Larvae using Otolith Microstructure Analysis. Marine Pollution Bulletin, 30(8): 536-542.

Iversen, S.A., Melle, W., Bagøien, E., Broms, C., Chu, D., Edvardsen, B., Ellertsen, B., Jørstad, K., Karlsbakk, E., Klevjer, T., Knutsen, T., Korneliussen, R., Kowall, H., Krafft, B.A., Kaartvedt, S., Lona, P.B., Naustvoll, L., Nøttestad, L., Ostrowski, M., Siegel,V., Skagseth, Ø., Skaret, G., Søiland, H., Wiebe, P., Zhao, X. (2010). The Antarctic krill and ecosystem survey (AKES) with R/V G. O. Sars in 2008. International Polar Year 2010, Oslo Science Conference, 8-12 June 2010. Oral.

[S.A. Iversen1, W. Melle1, B. Edvardsen2, B. A. Krafft1, G. Skaret1, H. Søiland1]
bora.uib.no/bitstream/1956/3885/1/Lucio_Calise_PhD_Thesis.pdf