Browsing NINA Brage by Author "Swenson, Jon"

Now showing items 1-17 of 17

    • Alien plants, animals, fungi and algae in Norway: an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...

    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • 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 ...

    • Bjørn i Nord-Trøndelag 

      Nygård, Torgeir; Brainerd, Scott Michael; Brøseth, Henrik; Berntsen, Finn Erik Harald; Bjørnes, Even; Kvam, Tor; Nilsen, Erlend Birkeland; Pedersen, Paul Harald; Stokke, Sigbjørn; Sørensen, Ole Jakob; Swenson, Jon (NINA rapport;472, Research report, 2009)
      Atten brunbjørner (åtte binner og ti hannbjørner) ble fanget i prosjektperioden 1993-2002. Alle binnene og åtte hanner ble radiomerket med VHF-halsbåndsendere For sju binner og fem hannbjørner ble det innsamlet peiledata ...

    • 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 ...

    • Chewing lice Trichodectes pinguis pinguis in Scandinavian brown bears (Ursus arctos) 

      Esteruelas, Nuria Fandos; Malmsten, Jonas; Bröjer, Caroline; Grandi, Giulio; Lindström, Anders; Brown, Paul; Swenson, Jon; Evans, Alina; Arnemo, Jon Martin (Journal article; Peer reviewed, 2016)
      In April 2014 and 2015, we noted localized alopecia (neck, forelimbs, and chest) and hyperpigmentation on two adult brown bears (Ursus arctos) captured in central-south Sweden for ecological studies under the Scandinavian ...

    • Competition between apex predators? Brown bears decrease wolf kill rate on two continents 

      Tallian, Aimee; Ordiz, Andres; Metz, Matthew C.; Milleret, Cyril; Wikenros, Camilla; Smith, Douglas W.; Stahler, Daniel R.; Kindberg, Jonas; MacNulty, Daniel R.; Wabakken, Petter; Swenson, Jon; Sand, Håkan (Journal article; Peer reviewed, 2017)
      Trophic interactions are a fundamental topic in ecology, but we know little about how competition between apex predators affects predation, the mechanism driving top-down forcing in ecosystems.We used long-term datasets ...

    • Drivers of hibernation in the brown bear 

      Evans, Alina; Singh, Navinder J.; Friebe, Andrea; Arnemo, Jon Martin; Laske, Timothy; Fröbert, O.; Swenson, Jon; Blanc, S (Journal article; Peer reviewed, 2016)
      Background: Hibernation has been a key area of research for several decades, essentially in small mammals in the laboratory, yet we know very little about what triggers or ends it in the wild. Do climatic factors, an ...

    • Drivers of hibernation in the brown bear 

      Evans, Alina; Singh, N.J.; Arnemo, Jon Martin; Laske, T.G.; Fröbert, O.; Swenson, Jon; Blanc, S. (Peer reviewed; Journal article, 2016)
      Background: Hibernation has been a key area of research for several decades, essentially in small mammals in the laboratory, yet we know very little about what triggers or ends it in the wild. Do climatic factors, an ...

    • Effects of livestock on occurrence of the Vulnerable red panda Ailurus fulgens in Rara National Park, Nepal 

      Sharma, Hari Prasad; Belant, Jerrold L.; Swenson, Jon (Journal article; Peer reviewed, 2014)
      The Vulnerable red panda Ailurus fulgens is endemic to the Himalayas. Anthropogenic activities, including deforestation, have degraded the species’ habitat but the effects of livestock have not been examined. We assessed ...

    • Human behaviour can trigger large carnivore attacks in developed countries 

      Penteriani, Vincenzo; del Mar Delgado, Maria; Pinchera, Francesco; Naves, Javier; Fernández-Gil, Alberto; Kojola, Ilpo; Härkönen, Sauli; Norberg, Harri; Frank, Jens; Fedriani, José María; Sahlèn, Veroncia; Støen, Ole-Gunnar; Swenson, Jon; Wabakken, Petter; Pellegrini, Mario; Herrero, Stephen; López-Bao, José Vicente (Peer reviewed; Journal article, 2016)
      The media and scientific literature are increasingly reporting an escalation of large carnivore attacks on humans in North America and Europe. Although rare compared to human fatalities by other wildlife, the media often ...

    • Leukocyte coping capacity as a tool to assess capture- and handling-induced stress in Scandinavian brown bears (Ursus arctos) 

      Esteruelas, Nuria Fandos; Huber, Nikolaus; Evans, Alina; Zedrosser, Andreas; Cattet, Marc; Palomares, Francisco; Angel, Martine; Swenson, Jon; Arnemo, Jon Martin (Journal article; Peer reviewed, 2015)
      Brown bears (Ursus arctos) are often captured and handled for research and management purposes. Although the techniques used are potentially stressful for the animals and might have detrimental and long-lasting consequences, ...

    • Low cardiac output as physiological phenomenon in hibernating, free-ranging Scandinavian brown bears (Ursus arctos) - an observational study 

      Jørgensen, Peter Godsk; Arnemo, Jon Martin; Swenson, Jon; Jensen, Jan S.; Galatius, Søren; Frøbert, Ole (Journal article; Peer reviewed, 2014)
      Background: Despite 5-7 months of physical inactivity during hibernation, brown bears (Ursus arctos) are able to cope with physiological conditions that would be detrimental to humans. During hibernation, the tissue ...

    • Sociodemographic factors modulate the spatial response of brown bears to vacancies created by hunting 

      Frank, Shane C.; Leclerc, Martin; Pelletier, Fanie; Rosell, Frank Narve; Swenson, Jon; Bischof, Richard; Kindberg, Jonas; Eiken, Hans Geir; Hagen, Snorre; Zedrosser, Andreas (Journal article; Peer reviewed, 2017)
      1. There is a growing recognition of the importance of indirect effects from hunting on wildlife populations, e.g., social and behavioral changes due to harvest, which occur after the initial offtake. Nonetheless, little ...

    • The relative importance of direct and indirect effects of hunting mortality on the population dynamics of brown bears 

      Gosselin, Jacinthe; Zedrosser, Andreas; Swenson, Jon; Pelletier, Fanie (Journal article; Peer reviewed, 2014)
      There is increasing evidence of indirect effects of hunting on populations. In species with sexually selected infanticide (SSI), hunting may decrease juvenile survival by increasing male turnover.We aimed to evaluate the ...

    • Utredning om endring i yngleområdene for jerv og bjørn i rovvilt region 6 

      Linnell, John Durrus; Støen, Ole-Gunnar; Hansen, Inger; Eilertsen, Svein; Flagstad, Øystein; Gervasi, Vincenzo; Brøseth, Henrik; Swenson, Jon; Odden, John (NINA Rapport;1123, Research report, 2015)
      Linnell, J. D. C., Støen, O.-G., Hansen, I., Eilertsen, S., Flagstad, Ø. Gervasi, V., Brøseth, H., Swenson, J. & Odden, J. 2015. Utredning om endring i yngleområdene for jerv og bjørn i rovvilt region 6 – NINA Rapport ...

    • Wolf habitat selection when sympatric or allopatric with brown bears in Scandinavia 

      Ordiz Fernandez, Andres Avelino; Uzal, Antonio; Milleret, Cyril Pierre; Sanz-Perez, Ana; Zimmermann, Barbara; Wikenros, Camilla; Wabakken, Petter; Kindberg, Jonas; Swenson, Jon; Sand, Håkan (Peer reviewed; Journal article, 2020)
      Habitat selection of animals depends on factors such as food availability, landscape features, and intraand interspecific interactions. Individuals can show several behavioral responses to reduce competition for habitat, ...