Blar i Brage INN på forfatter "Zimmermann, Barbara"
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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 ... -
Predator-dependent functional response in wolves: from food limitation to surplus killing
Zimmermann, Barbara; Sand, Håkan; Wabakken, Petter; Liberg, Olof; Andreassen, Harry Peter (Journal article; Peer reviewed, 2014)The functional response of a predator describes the change in per capita kill rate to changes in prey density. This response can be influenced by predator densities, giving a predator-dependent functional response. In ... -
Predatory behaviour of wolves in Scandinavia
Zimmermann, Barbara (Doctoral thesis; Peer reviewed, 2014)The study of predatory behaviour is essential for understanding the interactions that may affect the behaviour and population dynamics of the species involved and consequent cascading ecosystem effects. In the case of large ... -
Predicting moose behaviors from tri-axial accelerometer data using a supervised classification algorithm
Kirchner, Theresa Margret; Devineau, Olivier; Chimienti, Marianna; Thompson, Daniel P.; Crouse, John; Evans, Alina; Zimmermann, Barbara; Eriksen, Ane (Peer reviewed; Journal article, 2023)Background Monitoring the behavior of wild animals in situ can improve our understanding of how their behavior is related to their habitat and affected by disturbances and changes in their environment. Moose (Alces alces) ... -
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 ... -
Prosjekt Elg – trafikk i Stor-Elvdal 2000-2004 : hvordan unngå elgpåkjørsler på vei og jernbane
Storaas, Torstein; Nicolaysen, Knut B.; Gundersen, Hege; Zimmermann, Barbara (Oppdragsrapport, Research report, 2005)Norsk: Jernbaneverket Hovedkontoret, Jernbaneverket Region Nord, Statens vegvesen Hedmark, Stor-Elvdal kommune, Stor-Elvdal Grunneierforening og Høgskolen i Hedmark, Evenstad gjennomførte i årene 2000 – 2004 et prosjekt ... -
Prosjekt innlandsoter : utbredelse og bestandsutvikling av oter i Hedmark fylke 1901-2002
Dötterer, Michael; Wabakken, Petter; Zimmermann, Barbara; Christensen, Hanne; Maartmann, Erling; Omland, Marius; Johansen, Tom; Arnemo, Jon Martin (Oppdragsrapport, Research report, 2008)Norsk: En analyse av jaktstatistikken viser en kontinuerlig nedgang i oter-bestanden i Hedmark (og i det kontinentale Skandinavia) fra 1901 til 1954. I Norge har oteren vært totalfredet siden 1982, og på Østlandet siden ... -
Quiet islands in a world of fear: Wolves seek core zones of protected areas to escape human disturbance
Smith, Adam F.; Ciuti, Simone; Shamovich, Dmitry; Fenchuk, Viktar; Zimmermann, Barbara; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)The Anthropocene continuously escalates the challenges and threats faced by large carnivores in human-dominated landscapes. Given their unique conservation and management requirements, detailed insights into their behaviour ... -
Refrigeration or anti-theft? Food-caching behavior of Wolverines (Gulo gulo) in Scandinavia
van der Veen, Bert; Mattisson, Jenny; Zimmermann, Barbara; Odden, John; Persson, Jens (Peer reviewed; Journal article, 2020)Food-caching animals can gain nutritional advantages by buffering seasonality in food availability, especially during times of scarcity. The wolverine (Gulo gulo) is a facultative predator that occupies environments of low ... -
The return of large carnivores: Using hunter observation data to understand the role of predators on ungulate populations
Tallian, Aimee Grace; Ordiz Fernandez, Andres Avelino; Zimmermann, Barbara; Sand, Håkan; Wikenros, Camilla; Wabakken, Petter; Bergqvist, Göran; Kindberg, Jonas (Peer reviewed; Journal article, 2021)Large carnivores play a key ecological role in nature, yet quantifying the effects of predation at large spatiotemporal scales remains challenging. Wolves and brown bears have recovered in Sweden, where they share the same ... -
Rewilding by Wolf Recolonisation, Consequences for Ungulate Populations and Game Hunting
Rodríguez-Recio, Mariano; Wikenros, Camilla; Zimmermann, Barbara; Sand, Håkan (Peer reviewed; Journal article, 2022)The ongoing recolonizations of human-transformed environments in Europe by large carnivores like the wolf Canis lupus means that conservation conflicts could re-surface, among other reasons, due to predation on ungulate ... -
Roads, forestry, and wolves interact to drive moose browsing behavior in Scandinavia
Loosen, Anne Elizabeth; Devineau, Olivier; Zimmermann, Barbara; Cromsigt, Joris P. G. M.; Pfeffer, Sabine; Skarpe, Christina; Mathisen, Karen Marie (Peer reviewed; Journal article, 2021)As wild ungulate densities increase across Europe and North America, plant–herbivore interactions are increasingly important from ecological and economic perspectives. These interactions are particularly significant where ... -
Sarcoptic mange in the Scandinavian wolf Canis lupus population
Fuchs, Boris; Zimmermann, Barbara; Wabakken, Petter; Bornstein, Set; Månsson, Johan; Evans, Alina L.; Liberg, Olof; Sand, Håkan; Kindberg, Jonas; Ågren, Erik O.; Arnemo, Jon Martin (Journal article; Peer reviewed, 2016)Background: Sarcoptic mange, a parasitic disease caused by the mite Sarcoptes scabiei, is regularly reported on wolves Canis lupus in Scandinavia. We describe the distribution and transmission of this parasite within the ... -
Scavenging patterns of an inbred wolf population in a landscape with a pulse of human-provided carrion
Wikenros, Camilla; Di Bernardi, Cecilia; Zimmermann, Barbara; Åkesson, Mikael; Demski, Maike; Flagstad, Øystein; Mattisson, Jenny; Tallian, Aimee Grace; Wabakken, Petter; Sand, Håkan (Peer reviewed; Journal article, 2023)Scavenging is an important part of food acquisition for many carnivore species that switch between scavenging and predation. In landscapes with anthropogenic impact, humans provide food that scavenging species can utilize. ... -
Sesongkonflikter mellom mennesker og ulv i områder med snø og trekkelg: Ulv i Slettåsreviret, 2009-2018: Utredning om ulv og bosetting del 5
Wabakken, Petter; Zimmermann, Barbara; Eriksen, Ane; Maartmann, Erling; Nordli, Kristoffer; Carricondo-Sanchez, David; Sand, Håkan; Wikenros, Camilla (Skriftserien;12/2018, Research report, 2019)Mennesker bosatt innenfor ulverevir kan observere ulv, ulvespor eller sportegn i sitt nærmiljø, og det er ikke uvanlig at det blir debatt omkring ulvenes nærhet til bosetting og hvorvidt atferden som observeres er normal ... -
Slettåsulvenes atferd i forhold til menneskelig bosetting gjennom et helt år: Utredning om ulv og bosetting del 6
Zimmermann, Barbara; Wabakken, Petter; Eriksen, Ane; Maartmann, Erling; Carricondo-Sanchez, David; Versluijs, Erik; Sand, Håkan; Wikenros, Camilla (Skriftserien;13/2018, Research report, 2019)Etter at Slettåsulvene i 2009 etablerte revir i et område som har vært tomt for ynglende ulv i trolig over hundre år, har det vært en vedvarende konflikt om ulvers atferd i forhold til bosetting. Slettåsulvene ble av lokalt ... -
Small rodent monitoring at Birkebeiner road, Norway
Neby, Magne; Andreassen, Harry Peter; Milleret, Cyril Pierre; Pedersen, Simen; Tamayo, Ana-Maria; Sanchez, David Carricondo; Versluijs, Erik; Zimmermann, Barbara (Peer reviewed; Journal article, 2023)Background. Northern small mammal populations are renowned for their multi-annual population cycles. Population cycles are multi-faceted and have extensive impacts on the rest of the ecosystem. In 2011, we started a ... -
Spatial and temporal cohesion of parents and offspring in a social large carnivore
Nordli, Kristoffer; Wabakken, Petter; Eriksen, Ane; Sand, Håkan; Wikenros, Camilla; Maartmann, Erling; Zimmermann, Barbara (Peer reviewed; Journal article, 2023)Social organization in animals is a fundamental factor driving population dynamics and individual spatial distribution. Affiliation among kin is common in social groups, but kinship is no safeguard against intraspecific ... -
Spredningsulvers bevegelser i forhold til menneskelig infrastruktur: Utredning om ulv og bosetting del 3
Eriksen, Ane; Zimmermann, Barbara; Wabakken, Petter; Carricondo-Sanchez, David; Sand, Håkan; Wikenros, Camilla (Skriftserien;10/2018, Research report, 2019)I denne rapporten presenterer vi den første telemetristudien av skandinaviske ungulvers habitatbruk under utvandring. Ulvers vandringsruter følger ofte landskapskorridorer som dalfører og veier, og i spredningsfasen vil ...