Kim Halvorsen

Telefon: 40016601
Avdeling: Økosystemakustikk 2360

Arbeider med

My main interest is how fisheries and other human activities interact with species’ life history traits, behaviour and reproductive biology in an integrated ecological and evolutionary perspective. In this context, most of my previous and current research is conducted on different wrasse species commercially harvested and used as cleaner fish in salmonid aquaculture. This involves field investigations, otolith analyses and mark-recapture studies in and outside marine protected areas. Moreover, I’m involved in studies of the effects of fishing on sexual selection and sex-ratios in European lobster using genetic parentage assignment. During my masters I studied evolution, biogeography and population genetics of gadids.

Curriculum Vitae


PhD (2017) in Marine Biology, University of Oslo (Norway)
MSc (2010) in Sustainable Coastal Development, Norwegian University of Science and Technology
BSc (2008) in Biology, Norwegian University of Science and Technology


Halvorsen, K.T., T. Larsen, T. K.Sørdalen, L.A. Vøllestad, H. Knutsen & E.M. Olsen. 2017. Impact of harvesting cleaner fish for salmonid aquaculture assessed from replicated coastal marine protected areas. Marine Biology Research (in press). DOI: 10.1080/17451000.2016.1262042

Halvorsen, K.T. 2017. Selective harvesting and life history variability of corkwing and goldsinny wrasse in Norway: Implications for management and conservation. PhD thesis. University of Oslo.

Halvorsen, K.T., T.K. Sørdalen, L.A. Vøllestad, A.B. Skiftesvik, S.H. Espeland & E.M. Olsen. 2016. Sex- and size-selective harvesting of corkwing wrasse (Symphodus melops) cleaner fish in salmonid aquaculture. ICES Journal of Marine Science (in press). DOI: 10.1093/icesjms/fsw221

Halvorsen, K.T., T.K. Sørdalen, C.M.F. Durif, H. Knutsen, E.M. Olsen, A.B. Skiftesvik, T.E. Rustand, R.M. Bjelland & L.A. Vøllestad. 2016. Male biased sexual size dimorphism in the nest building corkwing  wrasse (Symphodus melops): implications for a size regulated fishery. ICES Journal of Marine Science 73: 2586-2594. DOI: 10.1093/icesjms/fsw135

Halvorsen, K. T., Árnason, E., Smith, P. J. & Mork, J. 2012. Mitochondrial DNA differentiation between the antitropical blue whiting species Micromesistius poutassou and Micromesistius australis. Journal of Fish Biology 81: 253-269. DOI: 10.1111/j.1095-8649.2012.03334.x

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