Sökning: "ursus arctos"

Visar resultat 1 - 5 av 37 uppsatser innehållade orden ursus arctos.

  1. 1. Bear in mind! A study about the effect of bear predation on the choice of calving site and site fidelity by female moose in Sweden

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Lisa Dijkgraaf; [2022]
    Nyckelord :moose Alces alces ; brown bear Ursus arctos ; predation; calving site; site fidelity;

    Sammanfattning : Selecting a suitable calving site is important for ungulates, especially when predators are present. Brown bears (Ursus arctos) predate on moose calves (Alces alces) and therefore influence the reproductive success of the moose. LÄS MER

  3. 2. Geographical expansion rate of a brown bear population in Fennoscandia and the factors explaining the directional variations

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Lisbet Hougaard Baklid; [2022]
    Nyckelord :Geography; GIS; brown bear; expansion rate; Ursus arctos; Fennoscandia; Sweden; barrier; Earth and Environmental Sciences;

    Sammanfattning : The brown bears, Ursus arctos L., in the Scandinavian peninsula were distributed in almost all counties before aimed reduction during the 1700-1900s (Swenson et al. 1995). From 1981-2013 the population increased more than five times (Chapron et al. LÄS MER

  4. 3. Födosöksbeteende och aktivitet hos brunbjörn (Ursus arctos) vid användning av två olika utfodringsmetoder

    Kandidat-uppsats, SLU/Dept. of Animal Environment and Health

    Författare :Ellen Vinnerheim; [2022]
    Nyckelord :Brunbjörn; ; ; ; ; ; ; Ursus; födosök; aktivitet; utfodring; djurpark; utspritt foder;

    Sammanfattning : The brown bear (Ursus arctos) is an omnivore that spends a lot of its time foraging in the wild. In zoos, the brown bear's foraging behaviour and activity level is depending on the management. To stimulate the brown bears to express their natural behaviours the zookeepers can feed the bears in a way that makes the bears forage for a long time. LÄS MER

  5. 4. How do forest characteristics relate to brown bear (Ursus arctos) density? : focusing on basal area, age, height, and field layer

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Jeanette Jonsson; [2022]
    Nyckelord :brown bear; ursus arctos; linear mixed model; forest characteristics; bear density;

    Sammanfattning : Brown bear (Ursus arctos) is one of our most common large carnivores. The historic population in Sweden has been reduced due to conflicts with humans. The diet of the brown bear varies with the season and location. LÄS MER

  7. 5. How does habitat selection by brown bear (Ursus arctos) during the berry season change due to forestry and human disturbance : looking at three different periods of human dis-turbances

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Jeanette Jonsson; [2022]
    Nyckelord :Brown bear; Ursus arctos; integrated step selection function; habi-tat selection;

    Sammanfattning : Brown bear (Ursus arctos) is the most widespread large carnivore. It is an apex predator and does not have natural enemies but is hunted by humans in Sweden. During the period July to October their main food resource is bilberry, which contains carbohydrates that are important for their fat resources before entering hibernation. LÄS MER