Blar i NTNU Open på forfatter "Eide, Nina Elisabeth"

Viser treff 1-19 av 19

    • A battle of the mountains: Intraguild competition between arctic fox Vulpes lagopus and red fox Vulpes vulpes 

      Grevskott, Ragnhild Thorseth (Master thesis, 2019)
      Fjellreven (Vulpes lagopus) er en truet art i Fennoskandia. Konkurranse med rødreven (Vulpes vulpes) er regnet som en av hovedtruslene for fjellrevens utbredelse. Flere bevaringstiltak har blitt satt i gang for å redde ...

    • Avlsprogrammet for fjellrev. Årsrapport 2010 

      Landa, Arild Magne; Tovmo, Mari; Meås, Roger; Eide, Nina Elisabeth; Flagstad, Øystein; Andersen, Reidar (NINA rapport;603, Research report, 2011)
      Avlsprogrammet for fjellrev starta i den nåverande forma i 2005 på avlsstasjonen på Sæterfjel-let (Oppdal). Her er avlsprogrammet basert på maksimering av trivsel for dyra, med store inn-hegningar i naturleg fjellrevhabitat ...

    • Bevaringsbiologi - Fjellrev i NINA 2005 

      Landa, Arild Magne; Strand, Olav; Kvaløy, Kirsti; van Dijk, Jiska Joanneke; Eide, Nina Elisabeth; Herfindal, Ivar; Linnell, John Durrus; Andersen, Roy (NINA rapport;102, Research report, 2005)
      Fjellrev Alopex lagopus er en av de mest utrydningstruede pattedyr i Norge og det er stort be-hov for kunnskap både om direkte og underliggende årsaker til fjellrevens tilbakegang så vel som mulige tiltak. ”Overvåkningsp ...

    • Bevaringsbiologi. Fjellrev i NINA 2006 

      Landa, Arild Magne; Eide, Nina Elisabeth; Flagstad, Øystein; Herfindal, Ivar; Strand, Olav; Andersen, Roy; van Dijk, Jiska Joanneke; Kvaløy, Kirsti; Linnell, John Durrus (NINA rapport;, Research report, 2006)
      Fjellreven Alopex lagopus er kritisk truet i Fennoskandia. Det er iverksatt overvåking, ulike be-varingstiltak samt forskning for å forklare den vedvarende tilbakegangen i Norge, Sverige og Finland. Denne rapporten oppsummerer ...

    • Contributions from terrestrial and marine resources stabilize predator populations in a rapidly changing climate 

      Nater, Chloe Rebecca; Eide, Nina Elisabeth; Pedersen, Åshild Ønvik; Yoccoz, Nigel; Fuglei, Eva (Peer reviewed; Journal article, 2021)
      Climate change has different and sometimes divergent effects on terrestrial and marine food webs, and in coastal ecosystems, these effects are tightly interlinked. Responses of opportunistic coastal predators and scavengers ...

    • Drivers of change in meso-carnivore distributions in a northern ecosystem 

      Rød-Eriksen, Lars (Doctoral theses at NTNU;2020:182, Doctoral thesis, 2020)
      Species have been subject to major perturbations in recent times, such as over-harvest, habitat loss and climate change, affecting their distribution and abundance. Alpine and arctic tundra ecosystems are particularly ...

    • Fälthandbok - Fjällrev. En vägledning vid innventering av fjällrevsbeståndet, tålkning av spår och spårtecken, samt skillnader mellan fjällrev, rödrev och förrymda farmrävar 

      Eide, Nina Elisabeth; Andersen, Reidar; Elmhagen, Bodil; Linnell, John Durrus; Sandal, T.; Dalén, L; Angerbjörn, A.; Hellström, P.; Landa, Arild (NINA temahefte;, Research report, 2005)

    • Fitness and fur colouration: Testing the camouflage and thermoregulation hypotheses in an Arctic mammal 

      Di Bernardi, Cecilia; Thierry, Anne-Mathilde; Eide, Nina Elisabeth; Bowler, Diana Elizabeth; Rød-Eriksen, Lars; Blumentrath, Stefan; Tietgen, Lukas; Sandercock, Brett; Flagstad, Øystein; Landa, Arild (Peer reviewed; Journal article, 2021)
      1. Selection for crypsis has been recognized as an important ecological driver of animal colouration, whereas the relative importance of thermoregulation is more contentious with mixed empirical support. A potential thermal ...

    • Fur colour in the Arctic fox: genetic architecture and consequences for fitness 

      Tietgen, Lukas; Hagen, Ingerid Julie; Kleven, Oddmund; Di Bernardi, Cecilia; Kvalnes, Thomas; Norén, Karin; Hasselgren, Malin; Wallen, Johan Fredrik; Angerbjörn, Anders; Landa, Arild; Eide, Nina Elisabeth; Flagstad, Øystein; Jensen, Henrik (Journal article; Peer reviewed, 2021)
      Genome-wide association studies provide good opportunities for studying the genetic basis of adaptive traits in wild populations. Yet, previous studies often failed to identify major effect genes. In this study, we used ...

    • Genetic Basis of Variation in Litter Size in Scandinavian Arctic Fox (Vulpes lagopus) 

      Rud-Johansen, Live (Master thesis, 2018)
      The environment is in constant change, where rapid shifts is often due to human interference. To understand the mechanisms driving phenotypic change in ecologically important traits, knowledge of the genetic basis of these ...

    • Genetic consequences of conservation action: Restoring the arctic fox (Vulpes lagopus) population in Scandinavia 

      Hemphill, Elisa June Keeling; Flagstad, Øystein; Jensen, Henrik; Norén, Karin; Wallén, Johan Fredrik; Landa, Arild Magne; Angerbjörn, Anders; Eide, Nina Elisabeth (Peer reviewed; Journal article, 2020)
      The Arctic fox (Vulpes lagopus) population in Fennoscandia experienced a drastic bottleneck in the late 19th century as a result of high hunting pressure. In the 1990s, despite nearly 70 years of protection, the population ...

    • Genomic Consequences of Fragmentation in the Endangered Fennoscandian Arctic Fox (Vulpes lagopus) 

      Cockerill, Christopher A.; Hasselgren, Malin; Dussex, Nicolas; Dalén, Love; von Seth, Johanna; Angerbjörn, Anders; Wallén, Johan F.; Landa, Arild; Eide, Nina Elisabeth; Flagstad, Øystein; Ehrich, Dorothee; Sokolov, Aleksandr; Sokolova, Natalya; Norén, Karin (Peer reviewed; Journal article, 2022)
      Accelerating climate change is causing severe habitat fragmentation in the Arctic, threatening the persistence of many cold-adapted species. The Scandinavian arctic fox (V. lagopus) is highly fragmented, with a once ...

    • Highways associated with expansion of boreal scavengers into the alpine tundra of Fennoscandia 

      Rød-Eriksen, Lars; Skrutvold, Johanna; Herfindal, Ivar; Jensen, Henrik; Eide, Nina Elisabeth (Peer reviewed; Journal article, 2020)
      1. Habitat fragmentation may affect species distributions through, for example, altered resource availability and shifts in species interactions. Fragmentation by roads has had negative impacts on Fennoscandian alpine ...

    • On the Interaction between Rodents and Alpine Plant Communities 

      Nystuen, Kristin Odden (Master thesis, 2012)
      Rodents with cyclic population dynamics are important herbivores in alpine areas with major effects on vegetation composition, biomass and diversity. Many places in Fennoscandia the population cycles in lemmings and voles ...

    • Predator co-occurrence in alpine and Arctic tundra in relation to fluctuating prey 

      Rød-Eriksen, Lars; Killengreen, Siw Turid; Ehrich, Dorothee; Ims, Rolf Anker; Herfindal, Ivar; Landa, Arild; Eide, Nina Elisabeth (Peer reviewed; Journal article, 2022)
      1. Large carnivores influence ecosystem dynamics in multiple ways, for example, by suppressing meso-carnivores and providing carrions for smaller scavengers. Loss of large carnivores is suggested to cause meso-carnivore ...

    • Rodent population dynamics affect seedling recruitment in alpine habitats 

      Nystuen, Kristin O; Evju, Marianne; Rusch, Graciela; Graae, Bente Jessen; Eide, Nina Elisabeth (Journal article; Peer reviewed, 2014)
      Questions How do rodents with cyclic population dynamics affect seedling recruitment in alpine habitats? Does disturbance from rodents have larger implications on seedling recruitment in some plant communities than in ...

    • Scavenger community structure along an environmental gradient from boreal forest to alpine tundra in Scandinavia 

      Gomo, Gjermund; Rød-Eriksen, Lars; Andreassen, Harry Peter; Mattisson, Jenny; Odden, Morten; Devineau, Olivier; Eide, Nina Elisabeth (Journal article; Peer reviewed, 2020)
      Scavengers can have strong impacts on food webs, and awareness of their role in ecosystems has increased during the last decades. In our study, we used baited camera traps to quantify the structure of the winter scavenger ...

    • Subclinical thiamine deficiency results in failed reproduction in Arctic foxes 

      Jackson, Craig Ryan; Furnes, Marianne Waldum; Rød-Eriksen, Lars; Yap, Kang Nian; Davey, Marie Louise; Fossøy, Frode; Flagstad, Øystein; Eide, Nina Elisabeth; Ulvund, Kristine R. (Peer reviewed; Journal article, 2024)
      Thiamine deficiency can result in life-threatening physiological and neurological complications. While a thiamine-deficient diet may result in the onset of such symptoms, the presence of thiaminase – an enzyme that breaks ...

    • Total triiodothyronine and glucocorticoid metabolite levels in faecal samples are independent of colour morph in the Arctic fox (Vulpes lagopus) 

      Larsen, Hanna Regine Kvesetberg (Master thesis, 2023)
      Arktiske dyr har ofte fysiologiske tilpasninger som muliggjør at de kan håndtere både ekstreme og varierende miljøforhold gjennom året. Det har blitt foreslått at fenotype for pelsfarge kan være basisen for de miljøforholdene ...