Blar i Brage INN på forfatter "Zimmermann, Barbara"
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Gränsöverskridande älgförvaltning - Ekologiska förutsättningar
Ausilio, Giorgia; Zimmermann, Barbara; Sand, Håkan; Wikenros, Camilla; Eriksen, Ane; Wabakken, Petter; Nordli, Kristoffer; Furuhovde, Erlend; Maartmann, Erling; Devineau, Olivier; Aronsson, Malin; Mathisen, Karen Marie (Oppdragsrapport;11/2023, Research report, 2023)Gjensidige påvirkninger mellom rovdyr og byttedyr formes av flere ulike faktorer inklusive type landskap de lever i og rovdyrenes jaktmetode. I landskap påvirket av mennesker kan disse interaksjonene endres av aktiviteter ... -
GRENSEVILT 2 - Sluttrapport til Interreg Sverige-Norge
Wikenros, Camilla; Zimmermann, Barbara; Eriksen, Ane; Esselin, Anders; Falkevik, Maria; Lund, Pia Knøsen; Løken, Øivind; Nordström, Jonas; Sand, Håkan; Wabakken, Petter (Commissioned report;8/2023, Research report, 2023)Indre Skandinavia kjennetegnes av et sammenhengende barskogområde med store viltbestander (naturarv) som preger regionens skogbruk og jakt (kulturarv). Til tross for at naturressursene er grenseoverskridende, forvaltes og ... -
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) -
Habitat selection of free-ranging cattle in productive coniferous forests of south-eastern Norway
Tofastrud, Morten; Devineau, Olivier; Zimmermann, Barbara (Peer reviewed; Journal article, 2019) -
Heart rate sensor validation and seasonal and diurnal variation of body temperature and heart rate in domestic sheep
Fuchs, Boris; Sørheim, Kristin; Chincarini, Matteo; Brunberg, Emma; Stubsjøen, Solveig Marie; Bratbergsengen, Kjell; Hvasshovd, Svein-Olaf; Zimmermann, Barbara; Lande, Unni Støbet; Grøva, Lise (Peer reviewed; Journal article, 2019)Advantages of low input livestock production on large pastures, including animal welfare, biodiversity and low production costs are challenged by losses due to undetected disease, accidents and predation. Precision livestock ... -
High infection intensities, but negligible fitness costs, suggest tolerance of gastrointestinal nematodes in a tropical snake
Mayer, Martin; Brown, Gregory P.; Zimmermann, Barbara; Shine, Richard (Journal article; Peer reviewed, 2015)We investigated patterns of prevalence and intensity of gastrointestinal nematode infections in a tropical natricine snake, the keelback (Tropidonophis mairii). Ninety-eight per cent of keelbacks were infected with Tanqua ... -
Hjort i Hedmark: Resultater fra GPS-merking 2002–2011
Zimmermann, Barbara; Wedul, Sari; Johnsen, Kaja; Strømseth, Thomas H.; Østerhus, Benedicte (Oppdragsrapport;2/14, Research report, 2014)Prosjektet Hjort i Hedmark var en del av samarbeidsprosjektet HjortAreal, som undersøkte hjortens arealbruk, økologisk bærekraft og hjort som næring i Møre & Romsdal og Sør-Trøndelag, Sogn i Hordaland, Buskerud, Haugalandet ... -
Hjortens trekkmønster skaper forvaltningsutfordringer i Hedmark
Zimmermann, Barbara; Wedul, Sari J.; Johnsen, Kaja; Strømseth, Thomas H.; Østerhus, Benedicte (Chapter; Peer reviewed, 2014)Jaktstatistikken fra Hedmark fylke tilsier at hjorten er tilbake for godt i Hedmark og befinner seg i en sterk vekstfase. Med det følger mange forvaltningsutfordringer. Vi har studert hjortens forflytningsmønster ... -
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 ... -
The importance of evaluating standard monitoring methods: Observer bias and detection probabilities for moose pellet group surveys
Loosen, Anne Elizabeth; Devineau, Olivier; Zimmermann, Barbara; Mathisen, Karen Marie (Peer reviewed; Journal article, 2022)Counting is not always a simple exercise. Specimens can be misidentified or not detected when they are present, giving rise to unidentified sources of error. Deer pellet group counts are a common method to monitor abundance, ... -
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 ... -
Individual Variation in Predatory Behavior, Scavenging and Seasonal Prey Availability as Potential Drivers of Coexistence between Wolves and Bears
Ordiz Fernandez, Andres Avelino; Milleret, Cyril Pierre; Uzal, Antonio; Zimmermann, Barbara; Wabakken, Petter; Wikenros, Camilla; Sand, Håkan; Swenson, Jon; Kindberg, Jonas (Peer reviewed; Journal article, 2020-09-15)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 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) -
Kan forekomst av ulv redusere elgbeiteskader og øke tettheten av løvtrær? Utredning om ulv og elg del 4
Sand, Håkan; Mathisen, Karen Marie; Ausilio, Giorgia; Gicquel, Morgane; Wikenros, Camilla; Månsson, Johan; Wallgren, Märtha; Eriksen, Ane; Wabakken, Petter; Zimmermann, Barbara (Skriftserien;25/2019, Research report, 2019)Store rovdyr har nylig kommet tilbake til flere områder hvor de tidligere var utryddet, og dette har kastet nytt lys over deres potensielle effekter på biologisk mangfold og økosystemfunksjoner. Særlig effektene på lavere ... -
Microhabitat selection of free-ranging beef cattle in south-boreal forest
Spedener, Mélanie; Tofastrud, Morten; Devineau, Olivier; Zimmermann, Barbara (Peer reviewed; Journal article, 2019) -
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 ... -
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, 2022)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 ...