• Age at first reproduction in wolves: Different patterns of density dependence for females and males 

      Wikenros, Camilla; Gicquel, Morgane; Zimmermann, Barbara; Flagstad, Øystein; Åkesson, Mikael (Peer reviewed; Journal article, 2021)
      Age at first reproduction constitutes a key life-history trait in animals and is evolutionarily shaped by fitness benefits and costs of delayed versus early reproduction. The understanding of how intrinsic and extrinsic ...
    • Atferdsstudier på ulv i Slettås- og Osdalsreviret: Foreløpige resultater fra feltperioden januar–februar 2017 

      Zimmermann, Barbara; Wabakken, Petter; Eriksen, Ane; Maartmann, Erling; Holen, Frode; Dahl, Espen R.; Nordli, Kristoffer; Teräväinen, Malin; Fuchs, Boris; Svarstad, Ingvild B.; Fredriksson, Øyvind; Sand, Håkan; Wikenros, Camilla (Oppdragsrapport;1/2017, Research report, 2017)
      Ulver i Slettåsreviret har i flere år blitt beskrevet som nærgående av lokalbefolkningen og media. Fem individer av flokken ble derfor merket med GPS-halsbånd i januar 2017, samtidig som ni ulver fra naboflokken i Osdalsreviret ...
    • 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 ...
    • Data to model risks for recolonizing wolves in Scandinavia through the integration of territory presence and human-driven mortalities 

      Recio, Mariano R; Zimmermann, Barbara; Wikenros, Camilla; Zetterberg, Andreas; Wabakken, Petter; Sand, Håkan (Peer reviewed; Journal article, 2018)
    • Ecological Effects of Wolves in Anthropogenic Landscapes: The Potential for Trophic Cascades Is Context-Dependent 

      Ausilio, Giorgia; Sand, Håkan; Månsson, Johan; Mathisen, Karen Marie; Wikenros, Camilla (Peer reviewed; Journal article, 2021)
      In recent years, large predators have made a comeback across large parts of Europe. However, little is known about the impact that recolonizing predators may have on ecosystems with high degrees of anthropogenic influence. ...
    • Elg i ulverevir: predasjon og elgjakt. Utredning om ulv og elg del 2 

      Zimmermann, Barbara; Wikenros, Camilla; Sand, Håkan; Eriksen, Ane; Wabakken, Petter (Skriftserien;23/2019, Research report, 2019)
      I Skandinavia er ulvebestanden regulert av jakt. Dette medfører at ulvens påvirkning på byttedyrbestandene begrenses sammenlignet med uregulerte rovviltbestander og hovedsakelig konsentreres til områder med stasjonære, ...
    • Functional traits driving species role in the structure of terrestrial vertebrate scavenger networks 

      Sebastián-González, Esther; Morales-Reyes, Zebensui; Botella, Francisco; Naves-Alegre, Lara; Pérez-García, Juan M.; Mateo-Tomás, Patricia; Olea, Pedro P.; Moleón, Marcos; Barbosa, Jomar Magalhães; Hiraldo, Fernando; Arrondo, Eneko; Donázar, José A.; Cortés-Avizanda, Ainara; Selva, Nuria; Lambertucci, Sergio A.; Bhattacharjee, Aishwarya; Brewer, Alexis; Abernethy, Erin; Turner, Kelsey; Beasley, James C.; DeVault, Travis L.; Gerke, Hannah C.; Rhodes, Olin E.; Ordiz, Andres; Wikenros, Camilla; Zimmermann, Barbara; Wabakken, Petter; Wilmers, Christopher C.; Smith, Justine A.; Kendall, Corinne J.; Ogada, Darcy; Frehner, Ethan; Allen, Maximilian L.; Wittmer, Heiko U.; Butler, James R. A.; du Toit, Johan T.; Margalida, Antoni; Oliva-Vidal, Pilar; Wilson, David; Jerina, Klemen; Krofel, Miha; Kostecke, Rich; Inger, Richard; Per, Esra; Ayhan, Yunus; Sancı, Mehmet; Yılmazer, Ünsal; Inagaki, Akino; Koike, Shinsuke; Samson, Arockianathan; Perrig, Paula L.; Spencer, Emma E.; Newsome, Thomas M.; Heurich, Marco; Anadón, José D.; Buechley, Evan R.; Gutiérrez-Cánovas, Cayetano; Elbroch, L. Mark; Sánchez-Zapata, José A. (Peer reviewed; Journal article, 2021)
      Species assemblages often have a non-random nested organization, which in vertebrate scavenger (carrion-consuming) assemblages is thought to be driven by facilitation in competitive environments. However, not all scavenger ...
    • Genomic consequences of intensive inbreeding in an isolated wolf population 

      Kardos, Marty; Åkesson, Mikael; Fountain, Toby; Flagstad, Øystein; Liberg, Olof; Olason, Pall; Sand, Håkan; Wabakken, Petter; Wikenros, Camilla; Ellegren, Hans (Journal article, 2017)
      Inbreeding (mating between relatives) is a major concern for conservation as it decreases the fitness of offspring and can increase the extinction risk of populations. While pedigrees have traditionally been used to measure ...
    • Habitat segregation between brown bears and grey wolves in a human-dominated landscape 

      Milleret, Cyril Pierre; Ordiz Fernandez, Andres Avelino; Chapron, Guillaume; Andreassen, Harry Peter; Kindberg, Jonas; Månsson, Johan; Tallian, Aimee; Wabakken, Petter; Wikenros, Camilla; Zimmermann, Barbara; Swenson, Jon; Sand, Håkan (Peer reviewed; Journal article, 2018)
    • Impact of a recolonizing, cross‑border carnivore population on ungulate harvest in Scandinavia 

      Wikenros, Camilla; Sand, Håkan; Månsson, Johan; Maartmann, Erling; Eriksen, Ane; Wabakken, Petter; Zimmermann, Barbara (Peer reviewed; Journal article, 2020)
      Predation from large carnivores and human harvest are the two main mortality factors afecting the dynamics of many ungulate populations. We examined long-term moose (Alces alces) harvest data from two countries that share ...
    • Individual variation in predatory behavior, scavenging and seasonal prey availability as potential drivers of coexistence between wolves and bears 

      Ordiz, Andres; Milleret, Cyril Pierre; Uzal, Antonio; Zimmermann, Barbara; Wabakken, Petter; Wikenros, Camilla; Sand, Håkan; Swenson, Jon; Kindberg, Jonas (Peer reviewed; Journal article, 2020)
      Several large carnivore populations are recovering former ranges, and it is important to understand interspecific interactions between overlapping species. In Scandinavia, recent research has reported that brown bear ...
    • Individuell atferd hos ulv overfor menneskelig infrastruktur i Skandinavia: Utredning om ulv og bosetting del 1 

      Carricondo-Sanchez, David; Zimmermann, Barbara; Wabakken, Petter; Eriksen, Ane; Maartmann, Erling; Sanz Perez, Ana; Sand, Håkan; Wikenros, Camilla (Skriftserien;8/2018, Research report, 2019)
      Ulv er kjent for å være en habitatgeneralist med ynglende bestander i mange ulike typer habitat fra arktiske strøk, boreale skoger, åpne landbruksområder og til tettbefolkede områder i varme strøk. En viktig faktor for ...
    • Integrated population models poorly estimate the demographic contribution of immigration 

      Paquet, Matthieu; Knape, Jonas; Arlt, Debora; Forslund, Pär; Pärt, Tomas; Flagstad, Øystein; Jones, Carl; Nicoll, MAC; Norris, K; Pemberton, Josephine M.; Sand, Håkan; Svensson, Linn; Tatayah, Vikash; Wabakken, Petter; Wikenros, Camilla; Åkesson, Mikael; Low, Matthew (Peer reviewed; Journal article, 2021)
      1. Estimating the contribution of demographic parameters to changes in population growth is essential for understanding why populations fluctuate. Integrated population models (IPMs) offer a possibility to estimate the ...
    • Integrated spatially-explicit models predict pervasive risks to recolonizing wolves in Scandinavia from human-driven mortality 

      Recio, Mariano R; Zimmermann, Barbara; Wikenros, Camilla; Zetterberg, Andreas; Wabakken, Petter; Sand, Håkan (Peer reviewed; Journal article, 2018)
    • Network structure of vertebrate scavenger assemblages at the global scale: drivers and ecosystem functioning implications 

      Sebastián-González, Esther; Morales-Reyes, Zebensui; Botella, Francisco; Naves-Alegre, Lara; Pérez-García, Juan M.; Mateo-Tomás, Patricia; Olea, Pedro P.; Moleón, Marcos; Barbosa, Jomar M.; Hiraldo, Fernando; Arrondo, Eneko; Donázar, José Antonio; Cortés-Avizanda, Ainara; Selva, Nuria; Lambertucci, Sergio A.; Bhattacharjee, Aishwarya; Brewer, Alexis; Abernethy, Erin; Turner, Kelsey; Beasley, James C.; DeVault, Travis L.; Gerke, Hannah C.; Rhodes Jr, Olin E.; Ordiz, Andres; Wikenros, Camilla; Zimmermann, Barbara; Wabakken, Petter; Wilmers, Christopher C.; Smith, Justine A.; Kendall, Corinne J.; Ogada, Darcy; Frehner, Ethan; Allen, Maximilian L.; Wittmer, Heiko U.; Butler, James R.A.; du Toit, Johan T.; Margalida, Antoni; Oliva-Vidal, Pilar; Wilson, David; Jerina, Klemen; Krofel, Miha; Kostecke, Rich; Inger, Richard; Per, Esra; Ayhan, Yunus; Ulusoy, Hasan; Vural, Doğanay; Inagaki, Akino; Koike, Shinsuke; Samson, Arockianathan; Perrig, Paula L.; Spencer, Emma; Newsome, Thomas M.; Heurich, Marco; Anadón, José D.; Buechley, Evan R.; Sánchez-Zapata, José A. (Peer reviewed; Journal article, 2020)
      The organization of ecological assemblages has important implications for ecosystem functioning, but little is known about how scavenger communities organize at the global scale. Here, we test four hypotheses on the factors ...
    • No place like home? A test of the natal habitat-biased dispersal hypothesis in Scandinavian wolves 

      Sanz Perez, Ana; Ordiz Fernandez, Andres Avelino; Sand, Håkan; Swenson, Jon; Wabakken, Petter; Wikenros, Camilla; Zimmermann, Barbara; Åkesson, Mikael; Milleret, Cyril Pierre (Peer reviewed; Journal article, 2018)
    • Of wolves and bears: Seasonal drivers of interference and exploitation competition between apex predators 

      Tallian, Aimee Grace; Ordiz, Andres; Metz, Matthew C.; Zimmermann, Barbara; Wikenros, Camilla; Smith, Douglas W.; Stahler, Daniel R.; Wabakken, Petter; Swenson, Jon; Sand, Håkan; Kindberg, Jonas (Peer reviewed; Journal article, 2021)
      Competition between apex predators can alter the strength of top-down forcing, yet we know little about the behavioral mechanisms that drive competition in multipredator ecosystems. Interactions between predators can be ...
    • Oppvekstrevirets effekt på habitatvalg hos voksne ulver: Utredning om ulv og bosetting del 4 

      Sanz Perez, Ana; Milleret, Cyril; Ordiz, Andrés; Uzal, Antonio; Carricondo-Sanchez, David; Eriksen, Ane; Sand, Håkan; Wabakken, Petter; Wikenros, Camilla; Åkesson, Mikael; Zimmermann, Barbara (Skriftserien;11/2018, Research report, 2019)
      Vi undersøkte hvorvidt graden av menneskelig påvirkning i skandinaviske ulvers oppvekstrevir kunne forklare noe av variasjonen i deres habitatvalg og områdebruk i forhold til menneskelig aktivitet og infrastruktur. Først ...
    • Predasjonsmønster hos enslige ulver og ulver på vandring. Utredning om ulv og elg del 3 

      Sand, Håkan; Wikenros, Camilla; Zimmermann, Barbara; Eriksen, Ane; Holen, Frode; Wabakken, Petter (Skriftserien;24/2019, Research report, 2019)
      Ulven er et sosialt rovdyr, og den største andelen (oftest 80-90%) av bestanden lever i flokker eller par innenfor avgrensede revir som aktivt forsvares mot artsfrender. I tillegg består en ulvebestand av enslige ulver som ...
    • Prey Selection of Scandinavian Wolves: Single Large or Several Small? 

      Sand, Håkan; Eklund, Ann; Zimmermann, Barbara; Wikenros, Camilla; Wabakken, Petter (Journal article; Peer reviewed, 2016)
      Research on large predator-prey interactions are often limited to the predators' primary prey, with the potential for prey switching in systems with multiple ungulate species rarely investigated. We evaluated wolf (Canis ...