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Bilde av Rudolfsen, Geir
Bilde av Rudolfsen, Geir
Head of Department The Arctic University Museum of Norway geir.rudolfsen@uit.no +4777646881 You can find me here

Geir Rudolfsen

  • Oddmund Kleven, Jan Eivind Østnes, Geir Rudolfsen, Sonja Schindler, Tim Schmoll :
    Extra-pair paternity and sperm length variation in a far northern Great Tit (Parus major) population
    Journal of Ornithology 2024 ARKIV / DOI
  • Jørgen Skavdal Søraker, Bård Gunnar Stokke, Oddmund Kleven, Arne Moksnes, Geir Rudolfsen, Gine Roll Skjærvø et al.:
    Resident bird species track inter-annual variation in spring phenology better than long-distance migrants in a subalpine habitat
    Climate Change Ecology 2022 ARKIV / DOI
  • Jan Terje Lifjeld, Oddmund Kleven, Frode Fossøy, Frode Jacobsen, Terje Laskemoen, Geir Rudolfsen et al.:
    When older males sire more offspring—Increased attractiveness or higher fertility?
    Behavioral Ecology and Sociobiology 23. April 2022 ARKIV / DOI
  • Oddmund Kleven, Geir Rudolfsen, Tim Schmoll :
    Extra-pair paternity in the boreal, socially monogamous Grey-headed Chickadee (Poecile cinctus)
    Ornis Fennica 2020 ARKIV / FULLTEKST
  • Tim Schmoll, Geir Rudolfsen, Holger Schielzeth, Oddmund Kleven :
    Sperm velocity in a promiscuous bird across experimental media of different viscosities
    Proceedings of the Royal Society of London. Biological Sciences 2020 ARKIV / DOI
  • Geir Rudolfsen :
    Extra-pair paternity in the boreal, socially monogamous Grey-headed Chickadee (Poecile cinctus)
    Ornis Fennica 2019 ARKIV
  • Elena A. Shishkina, Evgeny A. Pryakhin, Pavel A. Sharagin, Denis I. Osipov, Galina A. Tryapitsina, Natalia I. Atamanyuk et al.:
    The radiation exposure of fish in the period of the Techa river peak contamination
    Journal of Environmental Radioactivity 2019 ARKIV / DOI
  • April Snøfrid Kleppe, Jarle Tryti Nordeide, Geir Rudolfsen, Lars Figenschou, Berner Larsen, Katrin Reiss et al.:
    No support for cryptic choice by ovarian fluid in an external fertilizer
    Ecology and Evolution 2018 DATA / ARKIV / DOI
  • Morgan Lizabeth Bender, Marianne Frantzen, Ireen Vieweg, Inger-Britt Falk-Petersen, Helge Kreutzer Johnsen, Geir Rudolfsen et al.:
    Effects of chronic dietary petroleum exposure on reproductive development in polar cod (Boreogadus saida)
    Aquatic Toxicology 2016 ARKIV / DOI
  • Torvald Blikra Egeland, Geir Rudolfsen, Jarle Tryti Nordeide, Ivar Folstad :
    Status specific tailoring of sperm behavior in an external fertilizer
    Frontiers in Ecology and Evolution 2016 ARKIV / DOI
  • Elena A. Shishkina, Evgeny A. Pryakhin, Irina Ya. Popova, Denis I. Osipov, Yu. Tikhova, S.S. Andreyev et al.:
    Evaluation of distribution coefficients and concentration ratios of 90Sr and 137Cs in the Techa River and the Miass River
    Journal of Environmental Radioactivity 2016 ARKIV / DOI
  • Geir Rudolfsen, Jonathan Serrano Vaz, Ivar Folstad :
    Own,but not foreign seminal fluid inhibits sperm activation in a vertebrate with external fertilization
    Frontiers in Ecology and Evolution 2015 ARKIV / DOI
  • Torvald Blikra Egeland, Geir Rudolfsen, Jarle Tryti Nordeide, Ivar Folstad :
    On the relative effect of spawning asynchrony, sperm quantity, and sperm quality on paternity under sperm competition in an external fertilizer
    Frontiers in Ecology and Evolution 2015 ARKIV / DOI
  • Anders Pape Møller, Andrea Bonisoli-Alquati, Timothy A. Mousseau, Geir Rudolfsen :
    Aspermy, Sperm Quality and Radiation in Chernobyl Birds
    PLOS ONE 2014 ARKIV / DOI
  • Lars Figenschou, Ivar Folstad, Geir Rudolfsen, Sveinn Are Hanssen, Raine Kortet, Philip Skau et al.:
    The relative effect of parasites and social status on sperm traits in Arctic charr
    Behavioral Ecology 2013 ARKIV / DOI
  • Terje Laskemoen, Tomas Albrecht, Andrea Bonisoli-Alquati, Jaroslav Cepak, Florentino de Lope, Ignacio G. Hermosell et al.:
    Variation in sperm morphometry and sperm competition among barn swallow (Hirundo rustica) populations
    Behavioral Ecology and Sociobiology 2013 DOI
  • Jukka Kekäläinen, Lars Figenschou, Matti Janhunen, Raine Kortet, Nina Peuhkuri, Geir Rudolfsen :
    Hatchery selection may depress the number of motile sperm but intensify selection for their swimming velocity in the Arctic charr
    Aquaculture International 2013 DOI
  • Jukka Kekäläinen, Lars Figenschou, Matti Janhunen, Raine Kortet, Nina Peuhkuri, Geir Rudolfsen :
    Hatchery selection may depress the number of motile sperm but intensify selection for their swimming velocity in the Arctic charr
    Aquaculture International 2012 ARKIV / DOI
  • Anders Pape Møller, Andrea Bonisoli-Alquati, Geir Rudolfsen, Timothy A. Mousseau :
    Elevated mortality among birds in Chernobyl as judged from skewed age and sex ratios
    PLOS ONE 2012 DOI
  • Igor Babiak, Vegard Marschhauser, Oddvar Ottesen, Geir Rudolfsen, Bjørnar Eggen, Joanna Babiak :
    Effects of extender, storage and sperm-to-egg ratio on cryopreservation success of Atlantic cod (Gadus morhua L.) sperm
    Journal of Applied Ichthyology 2012 DOI
  • Jan Terje Lifjeld, Terje Laskemoen, Oddmund Kleven, Anne Tiril Myhre Pedersen, Helene M. Lampe, Geir Rudolfsen et al.:
    No Evidence for Pre-Copulatory Sexual Selection on Sperm Length in a Passerine Bird
    PLOS ONE 2012 ARKIV / DOI
  • Thomas Haugland, Geir Rudolfsen, Lars Figenschou, Ivar Folstad :
    Is the adipose fin and the lower jaw (kype) related to social dominance in male Arctic charr Salvelinus alpinus?
    Journal of Fish Biology 2011 DOI
  • Vidar Sørum, Lars Figenschou, Geir Rudolfsen, Ivar Folstad :
    Spawning behaviour of Arctic charr (Salvelinus alpinus): risk of sperm competition and timing of milt release for sneaker and dominant males
    Behaviour 2011 ARKIV / DOI
  • Jukka Kekäläinen, Geir Rudolfsen, Matti Janhunen, Lars Figenschou, Nina Peuhkuri, Nina Tamper et al.:
    Genetic and potential non-genetic benefits increase offspring fitness of polyandrous females in non-resource based mating system
    BMC Evolutionary Biology 2010 ARKIV / DOI
  • Jon Egil Skjæraasen, Justin James Meager, Ørjan Karlsen, Ian Mayer, Geir Dahle, Geir Rudolfsen et al.:
    Mating competition between farmed and wild cod Gadus morhua
    Marine Ecology Progress Series 2010 DOI
  • T Laskemoen, Oddmund Kleven, Frode Fossøy, Raleigh J. Robertson, Geir Rudolfsen, Jan Terje Lifjeld :
    Sperm quantity and quality effects on fertilization success in a highly promiscuous passerine, the tree swallow Tachycineta bicolor
    Behavioral Ecology and Sociobiology 2010 DOI
  • AP Moller, T Mousseau, Geir Rudolfsen, J Balbontin, A Marzal, I Hermosell et al.:
    Senescent sperm performance in old male birds
    Journal of Evolutionary Biology 2009 DOI
  • Oddmund Kleven, Geir Rudolfsen :
    Historien om EF02541: Norges eldste kjente lappmeis
    Lappmeisen 2023
  • Geir Rudolfsen :
    Allmenningens tragedie og påfuglstjerten i miljø- og klimasaken https://nordnorskdebatt.no/article/allmenningens-tragedie
    05. October 2019
  • Geir Rudolfsen :
    Sperm velocity across experimental environments of differential viscosity in a promiscuous passerine bird
    2018
  • Morgan Lizabeth Bender, Marianne Frantzen, Ireen Vieweg, Inger-Britt Falk-Petersen, Helge K. Johnsen, Geir Rudolfsen et al.:
    Effects of chronic dietary petroleum exposure on reproductive development in polar cod (Boreogadus saida)
    2016
  • Geir Rudolfsen :
    Nå er de tilbake!
    23. October 2016
  • Hastings Conn, Ivar Folstad, Geir Rudolfsen, Torvald Blikra Egeland, Jarle Tryti Nordeide :
    Fish sperm race for reproductive success https://blog.frontiersin.org/2016/12/22/fish-sperm-race-for-reproductive-success/
    2016
  • Ivar Folstad, Geir Rudolfsen, Jarle Tryti Nordeide, Torvald Blikra Egeland, Brattli Magnus :
    Røyevideo
    02. October 2016
  • Monika Blikås, Ivar Folstad, Geir Rudolfsen :
    Naturens verden
    02. October 2016
  • Schmoll Tim, Geir Rudolfsen, Oddmund Kleven :
    Competitive fertilisation success in relation to sperm trait variation in three passerines
    2015
  • Galina Tryapitsina, I Shaposhnikova, Geir Rudolfsen, S Andreev, Evgeny Pryakhin, Alexander Akleyev :
    THE STATUS OF THE PERIPHERAL BLOOD IN FISH FROM RADIOACTIVELY CONTAMINATED TECHA RIVER
    2014
  • Anna Burholt, Miriam Hartel,, Oddmund Kleven, Geir Rudolfsen, Tim Schmoll :
    Missbildungen von Spermien unter Schwermetallbelastung bei Fitis Phylloscopus trochilus und Kohlmeise Parus major
    2014
  • Evgeny Pryakhin, Geir Rudolfsen, Hans-Christian Teien, Galina Tryapitsina, Alexander Akleyev :
    CHARACTERIZATION OF THE CURRENT STATUS OF ICHTHYOFAUNA IN THE TECHA RIVER
    2014
  • Justin P. Gwynn, Geir Rudolfsen :
    Distribution of Po-210 and Pb-210 in Arctic Charr (Salvelinus alpinus) from an Arctic freshwater lake
    2014
  • D Osipov, Geir Rudolfsen, E Yegoreichenkov, Evgeny Pryakhin :
    COMPARATIVE ANALYSIS OF THE SHAPE OF THE PERCH FROM TECHA RIVER AND MIASS RIVER
    2014
  • E Yegoreichenkov, Geir Rudolfsen, Evgeny Pryakhin :
    FINS COLORATION OF PERCH IN RELATION TO EXTERNAL ACTIVITY CONCENTRATION OF RADIONUCLEIDES
    2014
  • Galina Tryapitsina, I Shaposhnikova, Geir Rudolfsen, N Obvintseva, Evgeny Pryakhin, Alexander Akleyev :
    LEVEL OF CYTOGENETIC DAMAGE AND MORPHOLOGICAL ABNORMALITIES IN PERIPHERAL BLOOD ERYTHROCYTES OF FISH FROM THE TECHA RIVER
    2014
  • Ian Mayer, Justin James Meager, Jon Egil Skjæraasen, Geir Rudolfsen, Ørjan Karlsen, Olav Moberg et al.:
    Is spawning success of Atlantic cod escapees influenced by differences in sperm competition?
    2013
  • Frederik Albrecht, Geir Rudolfsen, Oddmund Kleven, Tim Schmoll :
    Wie beeinflusst Umgebungsviskosität die Spermien-Schwimmgeschindigkeit bei Singvögeln mit Fremdvaterschaften?
    2013
  • Jon Egil Skjæraasen, Justin James Meager, Geir Rudolfsen, Ørjan Karlsen, Ian Mayer, Olav Moberg et al.:
    Sperm traits and reproductive roles in a marine broadcast spawner
    2011
  • Maren Mommens, Bjørnar Eggen, Sylvie Bolla, Geir Rudolfsen, Kiron Viswanath, Igor Babiak :
    Quality of cryopreserved sperm of Atlantic halibut (Hippoglossus hippoglossus) in relation to fatty acid content with emphasis on n-3/n-6 PUFA
    2011
  • Vegard Marschhauser, Oddvar Ottesen, Geir Rudolfsen, Bjørnar Eggen, Joanna Babiak, Igor Babiak :
    Effects of extender, individual male and sperm-to-egg ratio on cryopreservation success of Atlantic cod (Gadus morhua L.) sperm
    2011
  • Geir Rudolfsen, Anders Pape Møller, Timothy A. Mousseau, Andrea Bonisoli Alquati, Justin P. Gwynn :
    Strålende fugleliv i Tsjernobyl?
    Vår Fuglefauna 2011
  • Geir Rudolfsen :
    Chernobyl Birds Have Smaller Brains
    PLOS ONE 2011 DOI

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