Odd Halvorsen

Publications

  • Irvine, R. Justin; Albon, Steve D.; Stien, Audun; Halvorsen, Odd & Carlsson, Anja M. (2019). Manipulating parasites in an Arctic herbivore: gastrointestinal nematodes and the population regulation of Svalbard reindeer, In Kenneth Wilson; Andy Fenton & Dan Tompkins (ed.),  Wildlife disease ecology.  Cambridge University Press.  ISBN 978-1-107-13656-4.  Chapter 14.  s 397 - 426
  • Albon, Steve D.; Irvine, R. Justin; Halvorsen, Odd; Langvatn, Rolf; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; van der Wal, René; Bjørkvoll, Eirin Marie; Duff, Eugene; Hansen, Brage Bremset; Lee, Aline Magdalena; Tveraa, Torkild & Stien, Audun (2017). Contrasting effects of summer and winter warming on body mass explain population dynamics in a food-limited Arctic herbivore. Global Change Biology.  ISSN 1354-1013.  23(4), s 1374- 1389 . doi: 10.1111/gcb.13435 Full text in Research Archive. Show summary
  • Stien, Audun; Ims, Rolf Anker; Albon, Steve D.; Fuglei, Eva; Irvine, R.J.; Ropstad, Erik; Halvorsen, Odd; Langvatn, Rolf; Loe, Leif Egil; Veiberg, Vebjørn & Yoccoz, Nigel (2012). Congruent responses to weather variability in high arctic herbivores. Biology Letters.  ISSN 1744-9561.  8(6), s 1002- 1005 . doi: 10.1098/rsbl.2012.0764
  • Carlsson, Anja M.; Irvine, R Justin; Wilson, Kenneth; Piertney, Stuart B; Halvorsen, Odd; Coulson, Stephen James; Stien, Audun & Albon, Steve D. (2012). Disease transmission in an extreme environment: Nematode parasites infect reindeer during the Arctic winter. International Journal of Parasitology.  ISSN 0020-7519.  42(8), s 789- 795 . doi: 10.1016/j.ijpara.2012.05.007 Show summary
  • Halvorsen, Odd (2012). Reindeer parasites, weather and warming of the Arctic. Polar Biology.  ISSN 0722-4060.  35(11), s 1749- 1752 . doi: 10.1007/s00300-012-1209-0
  • Cote, Steeve D; Stien, Audun; Irvine, Justin R; Dallas, John F; Marshall, Freda; Halvorsen, Odd; Langvatn, Rolf & Albon, Steve D (2005). Resistance to abomasal nematodes and individual genetic variability in reindeer. Molecular Ecology.  ISSN 0962-1083.  14, s 4159- 4168 . doi: 10.1111/j.1365-294X.2005.02733
  • Côte, Steeve D; Stien, Audun; Irvine, Justin; Dallas, John F.; Marshall, Freda; Halvorsen, Odd; Langvatn, Rolf & Albon, Steve D. (2005). Resitance to abomasal nematodes and individual genetic variability in reindeer. Molecular Ecology.  ISSN 0962-1083.  14, s 4159- 4168 . doi: 10.1111/j.1365-294X.2005.02733
  • Stien, Audun; Irvine, RJ; Dallimer, Martin; Irvine, Justin R; Halvorsen, Odd; Langvatn, Rolf; Albon, Steve D & Dallas, John F (2005). Sex ratio variation in gastrointestinal nematodes of Svalbard reindeer; density dependence and implications for estimates of species composition. Parasitology.  ISSN 0031-1820.  130, s 99- 107 . doi: 10.1017/S0031182004006298
  • Albon, S.D.; Stien, A.; Irvine, J. R.; Langvatn, Rolf; Ropstad, E. & Halvorsen, Odd (2002). The role of parasites in the dynamics of a reindeer population. Proceedings of the Royal Society of London. Biological Sciences.  ISSN 0962-8452.  269, s 1625- 1632 Show summary
  • Albon, Steven; Stien, A.; Irvine, Justin; Langvatn, Rolf; Ropstad, Erik & Halvorsen, Odd (2002). The role of parasites in the dynamics of a reindeer population. ?.  269, s 1625- 1632
  • Stien, A.; Irvine, J. R.; Langvatn, Rolf; Albon, S.D. & Halvorsen, Odd (2002). The population dynamics of Ostertagia gruehneri in reindeer: a model for the seasonal and intensity dependent variation in nematode fecundity. International Journal of Parasitology.  ISSN 0020-7519.  32, s 991- 996 Show summary
  • Stien, A.; Irvine, J. R.; Ropstad, E.; Halvorsen, Odd; Langvatn, Rolf & Albon, S.D. (2002). The impact of gastrointestinal nematodes on wild reindeer:experimental and cross-sectional studies. Journal of Animal Ecology.  ISSN 0021-8790.  71, s 937- 945 Show summary
  • Hartvigsen, Rita; Norborg, P. C. & Halvorsen, Odd (2002). Regional utbredelse og forekomst av parasitter hos mort, brasme og abbor i sørøst Norge. NINA Oppdragsmelding.  ISSN 0802-4103.  55, s 1- 28 Show summary
  • Midtgaard, Trygve; Andersen, Kai & Halvorsen, Odd (2002). Populatrion dynamics of sealworm, Pseudoterranova decipiens sensu lato, in sculpins, Myoxocephalus scorpius, from two areas in Norway between 1990 and 1996. Parasitology Research.  ISSN 0932-0113.  DOI 10.1007/ Show summary
  • Irvine, R. J.; Stien, A.; Dallas, J. F.; Halvorsen, Odd; Langvatn, Rolf & Albon, S.D. (2001). Contrasting regulation of fecundity in two abomasal nematodes of Svalbard reindeer (Rangifer tarandus platyrhynchus). Parasitology.  ISSN 0031-1820.  122, s 673- 681
  • Dallas, J. F.; Irvine, J. R. & Halvorsen, Odd (2001). DNA evidence that Marshallagia marshalli Ransom, 1907 and Marshallagia occidentalis Ransom, 1907 (Nematoda: Ostertagiinae) from Svalbard reindeer are conspecific. Systematic Parasitology.  ISSN 0165-5752.  50, s 101- 103
  • Irvine, R. J.; Stien, A.; Halvorsen, Odd; Langvatn, Rolf & Albon, S.D. (2000). Life-history strategies and population dynamics of abomasal nematodes in Svalbard reindeer (Rangifer tarandus platyrhynchus). Parasitology.  ISSN 0031-1820.  120, s 297- 311
  • Dallas, J. F.; Irvine, R. J. & Halvorsen, Odd (2000). DNA evidence that Ostertagia gruehneri and O. arctica (Nematoda: Ostertagiinae) in reindeer from Norway and Svalbard are conspecific. International Journal of Parasitol.  30, s 655- 658
  • Dallas, J. F.; Irvine, R. J.; Halvorsen, Odd & Albon, S.D. (2000). . Identification of females and larvae of Marshallagia marshalli and Ostertagia gruehneri (Nematoda: Ostertaginae) from Svalbard reindeer by multiplex PCR. International Journal of Parasitol.  30, s 863- 866
  • Hemmingsen, W.; Halvorsen, Odd & MacKenzie, K. (2000). The occurrence of some metazoan parasites of cod, Gadus morhua L.,in relation to age and sex of the host in Balsfjord (70°N), North Norway. Polar Biology.  ISSN 0722-4060.  23, s 368- 372
  • Halvorsen, Odd; Stien, A.; Irvine, J.; Langvatn, Rolf & Albon, S.D. (1999). Evidence for continued transmission of parasitic nematodes in reindeer during the Arctic winter. International Journal of Parasitol.  29, s 567- 579
  • Langvatn, Rolf; Albon, S.D.; Irvin, R. J.; Halvorsen, Odd & Ropstad, E. (1999). Parasitter, kondisjon og reproduksjon hos svalbardrein. Norsk Polarinstitutt Meddelelser.  ISSN 0373-5605.  s 139- 148
  • Ropstad, E.; Johansen, Odd; King, C.; Dahl, Eilif; Albon, S.D.; Langvatn, Rolf; Irvine, J. R.; Halvorsen, Odd & Sasser, G. (1999). Comparison of plasma progesteron, transrectal ultrasound and pregnancy specific proteins (PSPB) used for pregnancy diagnosis in reindeer. Acta Veterinaria Scandinavica.  ISSN 0044-605X.  40, s 151- 162
  • Halvorsen, Odd & Bye, K. (1999). Parasites, biodiversity, and population dynamics in an ecosystem in the high arctic. Veterinary parasitology.  ISSN 0304-4017.  84, s 205- 227
  • Halvorsen, Odd & Bye, Karstein (1999). Parasites, biodiversity, and population dynamics in an ecosystem in the high arctic. Veterinary parasitology.  ISSN 0304-4017.  84, s 205- 227
  • Stien, A. & Halvorsen, Odd (1998). Experimental transmission of the nematode Echinomermella matsi to the sea urchin Strongylocentrotus droebachiensis in the laboratory. Journal of Parasitology.  ISSN 0022-3395.  84, s 658- 660
  • Stien, A.; Leinaas, Hans Petter; Halvorsen, Odd & Christie, Hartvig (1998). Population dynamics of the Echinomermella matsi (Nematoda) - Strongylocentrotus droebachiensis (Echinoida) system: effects on host fecundity. Marine Ecology Progress Series.  ISSN 0171-8630.  163, s 193- 201
  • Folstad, Ivar; Nilssen, Arne Claus; Halvorsen, Odd & Andersen, Johan Henr (1991). Parasite avoidance: the cause of post-calving migrations in Rangifer?. Canadian Journal of Zoology.  ISSN 0008-4301.  69, s 2423- 2429
  • Folstad, Ivar; Nilssen, Arne Claus; Halvorsen, Odd & Andersen, Johan Henr (1989). Why do male reindeer (Rangifer t. tarandus) have higher abundance of second and third instar larvae of Hypoderma tarandi than females?. Oikos.  ISSN 0030-1299.  55, s 87- 92
  • Gaudernack, G; Skorping, Arne; Stokkan, Karl-Arne & Halvorsen, Odd (1984). The role of host immunity on seasonal fluctuations of Elaphostrongylus rangiferii in chronically infected reindeer. Journal of Helminthology.  ISSN 0022-149X.  58, s 13- 18

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  • Hansen, Haakon; Hemmingsen, Willy & Halvorsen, Odd (2015). BARCODING OF OLD PARASITES - HIGH LEVEL OF VARIATION WITHIN THE GYROCOTYLIDS..
  • Halvorsen, Odd (2005). Reindeer density, climate, and landscape, and the abundance of Elaphostrongylus rangiferi (Nematoda: Metastrongylidae).
  • Halvorsen, Odd (2004). Ecological fish parasitologyand general ecology; sympatry or allopatry?.
  • Halvorsen, Odd (2002, 18. november). Det er hardt å være mann. [Radio].  Verdt å vite / P2 : NRK. Show summary
  • Halvorsen, Odd (2002). Parasittbelastningen i kalkede vann. pH-status : forum for sur nedbør og kalking.  ISSN 0808-4882.  8(4), s 8- 9
  • Halvorsen, Odd (2002). Reindeer density, climate, and landscape, and the abundance of ELAPHOSTRONGYLUS RANGIFERI.

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Published May 31, 2011 9:17 AM - Last modified Oct. 25, 2013 10:28 AM