Now showing items 41-60 of 68

    • Little impact of over-winter parasitism on a free-ranging ungulate in the high Arctic 

      Carlsson, Anja M.; Albon, Steve D.; Coulson, Stephen James; Ropstad, Erik; Stien, Audun; Wilson, Kenneth; Loe, Leif Egil; Veiberg, Vebjørn; Irvine, Robert Justin (Journal article; Peer reviewed, 2018)
      1. Macroparasites have a central place in wildlife ecology because they have the potential to regulate host populations through effects on reproduction and/or survival. However, there remains a paucity of studies that have ...
    • Little impact of over-winter parasitism on a free-ranging ungulate in the high Arctic 

      Carlsson, Anja M.; Albon, Steve D.; Coulson, Stephen J.; Ropstad, Erik; Stien, Audun; Wilson, Kenneth; Loe, Leif Egil; Veiberg, Vebjørn; Irvine, Robert Justin (Journal article; Peer reviewed, 2018)
      1. Macroparasites have a central place in wildlife ecology because they have the potential to regulate host populations through effects on reproduction and/or survival. However, there remains a paucity of studies that have ...
    • Low spatial habitat overlap of herbivores in the High Arctic tundra 

      Ravolainen, Virve; Paulsen, Ingrid Marie Garfelt; Eischeid, Isabell; Forbey, Jennifer Sorensen; Fuglei, Eva; Hájek, Tomás; Hansen, Brage Bremset; Loe, Leif Egil; Macek, Petr; Madsen, Jesper; Soininen, Eeva M; Speed, James David Mervyn; Stien, Audun; Tømmervik, Hans; Pedersen, Åshild Ønvik (Peer reviewed; Journal article, 2024)
      Herbivores play a crucial role in shaping tundra ecosystems through their effects on vegetation, nutrient cycling, and soil abiotic factors. Understanding their habitat use, co-occurrence, and overlap is therefore essential ...
    • Moose-Vehicle Collisions in Northern Norway: Causes, Hotspot Detection and Mitigation 

      Sørensen, Johanne Bratfoss (Master thesis, 2017)
      Animal-vehicle collisions are a growing concern worldwide, from the perspectives of human health and animal welfare, and due to high socioeconomic costs. This has led to an intensive search for effective mitigation measures. ...
    • More frequent extreme climate events stabilize reindeer population dynamics 

      Hansen, Brage Bremset; Gamelon, Marlène; Albon, Steve D.; Lee, Aline Magdalena; Stien, Audun; Irvine, Robert Justin; Sæther, Bernt-Erik; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; Grøtan, Vidar (Journal article; Peer reviewed, 2019)
      Extreme climate events often cause population crashes but are difficult to account for in population-dynamic studies. Especially in long-lived animals, density dependence and demography may induce lagged impacts of ...
    • Movement patterns of golden eagles in relation to distribution of reindeer and sheep in Fennoscandia 

      Nordlie, Ane Dorthea Lundberg (Master thesis, 2022)
      Predator-livestock conflicts are a big problem worldwide, and usually result in big ethic and economic difficulties. Even though a lot of research has been done on the matter, there are still many uncertainties connected ...
    • The neglected season: Warmer autumns counteract harsher winters and promote population growth in Arctic reindeer 

      Loe, Leif Egil; Liston, Glen E.; Pigeon, Gabriel; Barker, Kristin; Horvitz, Nir; Stien, Audun; Forchhammer, Mads C.; Getz, Wayne M.; Irvine, Robert Justin; Lee, Aline Magdalena; Movik, Lars K.; Mysterud, Atle; Pedersen, Åshild Ønvik; Reinking, Adele K.; Ropstad, Erik; Trondrud, Liv Monica; Tveraa, Torkild; Veiberg, Vebjørn; Hansen, Brage Bremset; Albon, Steve D. (Peer reviewed; Journal article, 2020)
      Arctic ungulates are experiencing the most rapid climate warming on Earth. While concerns have been raised that more frequent icing events may cause die-offs, and earlier springs may generate a trophic mismatch in phenology, ...
    • Neonatal antipredator tactics shape female movement patterns in large herbivores 

      Atmeh, Kamal; Bonenfant, Christophe; Gaillard, Jean-Michel; Garel, Mathieu; Hewison, A. J. Mark; Marchand, Pascal; Morellet, Nicolas; Anderwald, Pia; Buuveibaatar, Bayarbaatar; Beck, Jeffrey L.; Becker, Matthew S.; van Beest, Floris M.; Berg, Jodi; Bergvall, Ulrika A.; Boone, Randall B.; Boyce, Mark S.; Chamaillé-Jammes, Simon; Chaval, Yannick; Buyanaa, Chimeddorj; Christianson, David; Ciuti, Simone; Côté, Steeve D.; Diefenbach , Duane R.; Droge, Egil; du Toit, Johan T.; Dwinnell, Samantha; Fennessy, Julian; Filli, Flurin; Fortin, Daniel; Hart, Emma E.; Hayes, Matthew; Hebblewhite, Mark; Heim, Morten; Herfindal, Ivar; Heurich, Marco Dietmar; von Hoermann, Christian; Huggler, Katey; Jackson, Craig Ryan; Jakes, Andrew F.; Jones, Paul F.; Kaczensky, Petra; Kauffman, Matthew; Kjellander, Petter; LeSharr, Tayler; Loe, Leif Egil; May, Roelof Frans; McLoughlin, Philip; Meisingset, Erling L.; Merrill, Evelyn; Monteith, Kevin L.; Mysterud, Atle; Pedersen, Åshild Ønvik; Røskaft, Eivin; Sæther, Bernt-Erik (Peer reviewed; Journal article, 2024)
      Caring for newborn ofspring hampers resource acquisition of mammalian females, curbing their ability to meet the high energy expenditure of early lactation. Newborns are particularly vulnerable, and, among the large ...
    • Risikofaktorer for tap av lam i Sør-Trøndelag : hvor viktig er kongeørn (Aquila chrysaetos)? 

      Hammer, Hilde (Master thesis, 2016-09-02)
      Det er knyttet stor usikkerhet til hvor stor del av tapet av lam som er forårsaket av kongeørn (Aquila chrysaetos) i Sør-Trøndelag. Denne rapporten tar for seg resultatene fra en undersøkelse med radiomerkede lam, utført ...
    • Sea ice loss increases genetic isolation in a high Arctic ungulate metapopulation 

      Peeters, Bart; Le Moullec, Mathilde; Raeymaekers, Joost A. M.; Fredricson Marquez, Jonatan; Røed, Knut; Pedersen, Åshild Ønvik; Veiberg, Vebjørn; Loe, Leif Egil; Hansen, Brage Bremset (Peer reviewed; Journal article, 2019)
      Sea ice loss may have dramatic consequences for population connectivity, extinction–colonization dynamics, and even the persistence of Arctic species subject to climate change. This is of particular concern in face of ...
    • Searching for the fundamental niche using individual-based habitat selection modelling across populations 

      Panzacchi, Manuela; Van Moorter, Bram F. A.; Strand, Olav; Loe, Leif Egil; Reimers, Eigil (Journal article; Peer reviewed, 2014)
      Strictly speaking, fundamental niches are inestimable. Nevertheless, ecologists attempt approximating them to understand species ’ distribution and plasticity to environmental changes, with invaluable repercussions on ...
    • Searching for the fundamental niche using individual-based habitat selection modelling across populations 

      Panzacchi, Manuela; Van Moorter, Bram F. A.; Strand, Olav; Loe, Leif Egil; Reimers, Eigil (Journal article; Peer reviewed, 2014)
      Strictly speaking, fundamental niches are inestimable. Nevertheless, ecologists attempt approximating them to understand species ’ distribution and plasticity to environmental changes, with invaluable repercussions on ...
    • Sex allocation in Svalbard reindeer (Rangifer tarandus platyrhynchus) ; do gut parasites and maternal body condition determine the sex of the fetus? 

      Lislegård, Harald Haga (Master thesis, 2022)
      Sex ratio is one of the most central demographic factors influencing species population dynamics. Intuitively, fetal sex ratio is a chance event resulting in 50 % males and 50 % females entering the population. However, ...
    • Silver spoon effects are constrained under extreme adult environmental conditions 

      Pigeon, Gabriel; Loe, Leif Egil; Bischof, Richard; Bonenfant, Christophe; Forchhammer, Mads C.; Irvine, R. Justin; Ropstad, Erik; Stien, Audun; Veiberg, Vebjørn; Albon, Steve (Peer reviewed; Journal article, 2019)
      Early-life environmental conditions may generate cohort differences in individual fitness, subsequently affecting population growth rates. Three, nonmutually exclusive hypotheses predict the nature of these fitness ...
    • Social constraints in cross-boundary collaborative deer management 

      Prager, Katrin; Lorenzo-Arribas, Altea; Bull, Hans; Kvernstuen, Mikkel Slaaen; Loe, Leif Egil; Mysterud, Atle (Journal article; Peer reviewed, 2018)
    • Spatial mismatch between management units and movement ecology of a partially migratory ungulate 

      Meisingset, Erling L.; Loe, Leif Egil; Brekkum, Øystein; Bischof, Richard; Rivrud, Inger Maren; Lande, Unni Støbet; Zimmermann, Barbara; Veiberg, Vebjørn; Mysterud, Atle (Journal article; Peer reviewed, 2017)
    • Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift 

      Peeters, Bart; Pedersen, Åshild Ønvik; Loe, Leif Egil; Isaksen, Ketil; Veiberg, Vebjørn; Stien, Audun; Kohler, Jack; Gallet, Jean-Charles; Aanes, Ronny; Hansen, Brage Bremset (Peer reviewed; Journal article, 2019)
      Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift
    • Stress responses to repeated captures in a wild ungulate 

      Trondrud, Liv Monica; Ugland, Cassandra Regine; Ropstad, Erik; Loe, Leif Egil; Albon, Steve; Stien, Audun; Evans, Alina; Thorsby, Per Medbøe; Veiberg, Vebjørn; Irvine, R. Justin; Pigeon, Gabriel (Journal article; Peer reviewed, 2022)
    • Stress responses to repeated captures in a wild ungulate 

      Trondrud, Liv Monica; Ugland, Cassandra Regine; Ropstad, Erik; Loe, Leif Egil; Albon, Steve; Stien, Audun; Evans, Alina; Thorsby, Per Medbøe; Veiberg, Vebjørn; Irvine, R. Justin; Pigeon, Gabriel (Peer reviewed; Journal article, 2022)
    • Svalbardrein (Rangifer tarandus platyrhynchus) og snøskuterløyper : kvantifisering av unnvikelsesadferd i tid og rom 

      Tandberg, Anders (Master thesis, 2016-09-02)
      Arktis opplever store endringer med endret klima og økt menneskelig påvirkning. Naturbasert polarturisme har de siste årene vært i kraftig vekst, og er hovedkilden til menneskelig tilstedeværelse i Arktis. Samtidig opplever ...