• A "clearcut" case? Brown bear selection of coarse woody debris and carpenter ants on clearcuts 

      Frank, Shane C.; Steyaert, Sam; Swenson, Jon; Storch, Ilse; Kindberg, Jonas; Barck, Hanna; Zedrosser, Andreas (Journal article; Peer reviewed, 2015-07-05)
      Forest management alters habitat characteristics, resulting in various effects among and within species. It is crucial to understand how habitat alteration through forest management (e.g. clearcutting) affects animal ...
    • Baiting and feeding mammalian game species: current practices in North America and Europe 

      Holm, Tor-Egil (Master thesis, 2022)
      It is commonly stated in the scientific literature that baiting and feeding are widespread wildlife management practices. However, it is difficult to determine exactly how widespread these management practices are, and ...
    • Bears and berries: species-specific selective foraging on a patchily distributed food resource in a human-altered landscape 

      Hertel, Anne Gabriela; Steyaert, Sam; Zedrosser, Andreas; Mysterud, Atle; Lodberg-Holm, Hanna Kavli; Gelink, Henriette Wathne; Kindberg, Jonas; Swenson, Jon (Journal article; Peer reviewed, 2016)
      When animals are faced with extraordinary energyconsuming events, like hibernation, finding abundant, energy-rich food resources becomes particularly important. The profitability of food resources can vary spatially, ...
    • Behavioral correlates of supplementary feeding of wildlife: Can general conclusions be drawn? 

      Steyaert, Sam; Kindberg, Jonas; Jerina, Klemen; Krofel, Miha; Stergar, Matija; Swenson, Jon; Zedrosser, Andreas (Journal article; Peer reviewed, 2014-10-12)
      Supplementary feeding is a common, but controversial, tool in wildlife management, because it can benefit both humans and wildlife (e.g., increased wildlife densities), but has certain downsides (e.g., increased disease ...
    • Berry production drives bottom – up effects on body mass and reproductive success in an omnivore 

      Hertel, Anne Gabriela; Bischof, Richard; Langval, Ola; Mysterud, Atle; Kindberg, Jonas; Swenson, Jon; Zedrosser, Andreas (Journal article; Peer reviewed, 2017)
      Obligate herbivores dominate studies of the eff ects of climate change on mammals, however there is limited empirical evidence for how changes in the abundance or quality of plant food aff ect mammalian omnivores. Omnivores ...
    • Brown bears possess anal sacs and secretions may code for sex 

      Rosell, Frank; Jojola, Susan M.; Ingdal, Kristian; Lassen, Bård Andreas; Swenson, Jon; Arnemo, Jon Martin; Zedrosser, Andreas (Journal article; Peer reviewed, 2010-09-14)
      Olfactory communication occurs in carnivores and many scent-mark with anal gland secretions (AGS), which contain a variety of information including sex-related cues. Currently, there is disagreement about whether bear ...
    • Can bears bear climatic change? 

      Kossen, Christien (Master thesis, 2023)
      Climate change is a topic of global importance, affecting species and ecosystems worldwide. Climatic variations and changes, like anthropogenic changes, have vast effects on plant-life, wildlife, and fungi alike. Nordic ...
    • Can concentrations of steroid hormones in brown bear hair reveal age class? 

      Cattet, Marc; Stenhouse, Gordon B.; Boulanger, John; Janz, David M.; Kapronczai, Luciene; Swenson, Jon; Zedrosser, Andreas (Journal article; Peer reviewed, 2018)
      Although combining genetic and endocrine data from non-invasively collected hair samples has potential to improve the conservation of threatened mammals, few studies have evaluated this opportunity. In this study, we ...
    • Challenges of managing a European brown bear population; lessons from Sweden, 1943–2013 

      Swenson, Jon; Schneider, Michael; Zedrosser, Andreas; Söderberg, Arne; Franzén, Robert; Kindberg, Jonas (Journal article; Peer reviewed, 2017)
      Adaptive management’, which has been defined as the repeated iteration between management action, scientific assessment and revised management action, leading to a strengthened foundation for management, is required by ...
    • Compatibility of preparatory procedures for the analysis of cortisol concentrations and stable isotope (δ13C, δ15N) ratios: a test on brown bear hair 

      Sergiel, Agnieszka; Hobson, Keith A.; Janz, David M.; Cattet, Marc; Selva, Nuria; Kapronczai, Luciene; Gryba, Chantel; Zedrosser, Andreas (Journal article; Peer reviewed, 2017)
      The measurement of naturally occurring glucocorticoids and stable isotopes of several elements has gained importance in wildlife studies in recent decades and opened a myriad of ecological applications. Cortisol and stable ...
    • Correcting for enzyme immunoassay changes in long term monitoring studies 

      Wilson, Abbey E.; Sergiel, Agnieszka; Selva, Nuria; Swenson, Jon; Zedrosser, Andreas; Stenhouse, Gordon; Janz, David M. (Peer reviewed; Journal article, 2021)
      Enzyme immunoassays (EIAs) are a common tool for measuring steroid hormones in wildlife due to their low cost, commercial availability, and rapid results. Testing technologies improve continuously, sometimes requiring ...
    • Couch potatoes do better: Delayed dispersal and territory size affect the duration of territory occupancy in a monogamous mammal 

      Mayer, Martin; Zedrosser, Andreas; Rosell, Frank (Journal article; Peer reviewed, 2017)
      In territorial, socially monogamous species, the establishment and defense of a terri - tory are an important strategy to maximize individual fitness, but the factors responsi - ble for the duration of territory occupancy ...
    • Determinants of lifetime reproduction in female brown bears: early body mass, longevity, and hunting regulations 

      Zedrosser, Andreas; Pelletier, Fanie; Bischof, Richard; Festa-Bianchet, Marco; Swenson, Jon (Journal article; Peer reviewed, 2013)
      In iteroparous mammals, conditions experienced early in life may have long‐lasting effects on lifetime reproductive success. Human‐induced mortality is also an important demographic factor in many populations of large ...
    • Do Scandinavian brown bears approach settlements to obtain high-quality food? 

      Elfström, Marcus; Davey, Marie Louise; Zedrosser, Andreas; Müller, Martin; De Barba, Marta; Støen, Ole-Gunnar; Miquel, Christian; Taberlet, Pierre; Hackländer, Klaus; Swenson, Jon (Journal article; Peer reviewed, 2014)
      Large carnivores that approach human settlements are usually considered a threat to human property and safety. The prevailing paradigm, that such ‘problem’ animals approach settlements in search of food, ignores their ...
    • Does despotic behavior or food search explain the occurrence of problem brown bears in Europe? 

      Elfström, Marcus; Zedrosser, Andreas; Jerina, Klemen; Støen, Ole-Gunnar; Kindberg, Jonas; Budic, Lara; Jonozovic, Marko; Swenson, Jon (Journal article; Peer reviewed, 2014)
      Bears foraging near human developments are often presumed to be responding to food shortage, but this explanation ignores social factors, in particular despotism in bears. We analyzed the age distribution and body condition ...
    • Ecological implications from spatial patterns in human-caused brown bear mortality 

      Steyaert, Sam; Zedrosser, Andreas; Elfström, Marcus; Ordiz Fernandez, Andres Avelino; Leclerc, Martin; Frank, Shane C.; Kindberg, Jonas; Støen, Ole-Gunnar; Brunberg, Sven; Swenson, Jon (Journal article; Peer reviewed, 2016)
      Humans are important agents of wildlife mortality, and understanding such mortality is paramount for effective population management and conservation. However, the spatial mechanisms behind wildlife mortality are often ...
    • Extra-territorial movements differ between territory holders and subordinates in a large, monogamous rodent 

      Mayer, Martin; Zedrosser, Andreas; Rosell, Frank (Journal article; Peer reviewed, 2017)
      Territorial animals carry out extra-territorial movements (forays) to obtain pre-dispersal information or to increase reproductive success via extra-pair copulation. However, little is known about other purposes and spatial ...
    • Faecal spectroscopy: a practical tool to assess diet quality in an opportunistic omnivore 

      Steyaert, Sam; Hütter, Franziska J.; Elfström, Marcus; Zedrosser, Andreas; Hackländer, Klaus; Le, Minh Hung; Windisch, Wilhelm M.; Swenson, Jon; Isaksson, Tomas (Journal article; Peer reviewed, 2012)
      Faecal indices of dietary quality can provide useful knowledge about the general ecology of a species, but only if the measurements are accurate and the results are interpreted with caution. In this article, we evaluated ...
    • Fear the reaper: ungulate carcasses may generate an ephemeral landscape of fear for rodents 

      Frank, Shane C.; Blaalid, Rakel; Mayer, Martin; Zedrosser, Andreas; Steyaert, Sam (Journal article; Peer reviewed, 2020)
      Animal carcasses provide an ephemeral pulse of nutrients for scavengers that use them. Carcass sites can increase species interactions and/or ephemeral, localized landscapes of fear for prey within the vicinity. Few studies ...
    • Fears from the past? The innate ability of dogs to detect predator scents 

      Samuel, Lydia; Arnesen, Charlotte Holmstad; Zedrosser, Andreas; Rosell, Frank (Peer reviewed; Journal article, 2020)
      Throughout the animal kingdom, antipredator mechanisms are an evolutionary driving force to enable the survival of species classified as prey. Information regarding a predator’s location can be determined through chemosensory ...