Finn forfatter "Halvorsen, Odd"

Viser treff 1-3 av 3

  • Congruent responses to weather variability in high arctic herbivores 
    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 (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    Assessing the role of weather in the dynamics of wildlife populations is a pressing task in the face of rapid environmental change. Rodents and ruminants are abundant herbivore species in most Arctic ecosystems, many of ...
  • Contrasting effects of summer and winter warming on body mass explain population dynamics in a food-limited Arctic herbivore 
    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, Elizabeth I.; Hansen, Brage Bremset; Lee, Aline Magdalena; Tveraa, Torkild; Stien, Audun (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    The cumulative effects of climate warming on herbivore vital rates and population dynamics are hard to predict, given that the expected effects differ between seasons. In the Arctic, warmer summers enhance plant growth ...
  • Molecular circumscription of new species of Gyrocotyle Diesing, 1850 (Cestoda) from deep-sea chimaeriform holocephalans in the North Atlantic 
    Bray, Rodney A.; Waeschenbach, Andrea; Littlewood, D. Timothy J.; Halvorsen, Odd; Olsen, Peter D (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Chimaeras, or ratfishes, are the only extant group of holocephalan fishes and are the sole host group of gyrocotylidean cestodes, which represent a sister group of the true tapeworms (Eucestoda). These unique, non-segmented ...