Browsing Naturhistorisk museum by Author "Ims, Rolf Anker"

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  • 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 ...
  • Modeling the demography of species providing extended parental care: A capture–recapture multievent model with a case study on polar bears (Ursus maritimus) 
    Cubaynes, Sarah; Aars, Jon; Yoccoz, Nigel; Pradel, Roger; Wiig, Øystein; Ims, Rolf Anker; Gimenez, Olivier (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    1. In species providing extended parental care, one or both parents care for altricial young over a period including more than one breeding season. We expect large parental investment and long-term dependency within family ...
  • Sources of variation in small rodent trophic niche: New insights from DNA metabarcoding and stable isotope analysis 
    Soininen, Eeva M; Ehrich, Dorothee; Lecomte, Nicolas; Yoccoz, Nigel Gilles; Tarroux, Arnaud; Berteaux, Dominique; Gauthier, Gilles; Gielly, Ludovic; Brochmann, Christian; Gussarova, Galina; Ims, Rolf Anker (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2014)
    Intraspecific competition for food is expected to increase the trophic niche width of consumers, defined here as their diet diversity, but this process has been little studied in herbivores. Population densities of small ...