Browsing Publikasjoner fra Cristin - INN by Author "Zimmermann, Barbara"
Now showing items 1-20 of 39
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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 ... -
Classification of behaviors of free-ranging cattle using accelerometry signatures collected by virtual fence collars
Versluijs, Erik; Niccolai, Laura Jeanne; Spedener, Mélanie; Zimmermann, Barbara; Hessle, Anna; Tofastrud, Morten; Devineau, Olivier; Evans, Alina (Peer reviewed; Journal article, 2023)Precision farming technology, including GPS collars with biologging, has revolutionized remote livestock monitoring in extensive grazing systems. High resolution accelerometry can be used to infer the behavior of an animal. ... -
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) -
Den site selection by male brown bears at the population’s expansion front
Eriksen, Ane; Wabakken, Petter; Maartmann, Erling; Zimmermann, Barbara (Peer reviewed; Journal article, 2018) -
Effects of cattle grazing on young spruce trees in boreal production forest
Spedener, Mélanie; Mathisen, Karen Marie; Hauer, Josh; Hérault, Rémi; Austrheim, Gunnar; Tofastrud, Morten; Zimmermann, Barbara (Peer reviewed; Journal article, 2024)The compatibility of forest livestock grazing with timber production is disputed, as livestock can damage young trees through browsing and trampling. At the same time, livestock grazing might reduce the growth of competing ... -
Effects of large carnivores, hunter harvest, and weather on the mortality of moose calves in a partially migratory population
Ausilio, Giorgia; Sand, Håkan; Wikenros, Camilla; Aronsson, Malin; Milleret, Cyril Pierre; Nordli, Kristoffer; Wabakken, Petter; Eriksen, Ane; Persson, Jens; Maartmann, Erling; Mathisen, Karen Marie; Zimmermann, Barbara (Peer reviewed; Journal article, 2023)Survival of juvenile ungulates represents an important demographic parameter that influences population dynamics within ecosystems. In many ecological systems, the mortality of juvenile ungulates is influenced by various ... -
Environmental and anthropogenic features mediate risk from human hunters and wolves for moose
Ausilio, Giorgia; Wikenros, Camilla; Sand, Håkan; Wabakken, Petter; Eriksen, Ane; Zimmermann, Barbara (Peer reviewed; Journal article, 2022)Landscape characteristics, seasonal changes in the environment, and daylight conditions influence space use and detection of prey and predators, resulting in spatiotemporal patterns of predation risk for the prey. When ... -
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 ... -
A Grazer in a Browser's Habitat: Resource Selection of Foraging Cattle in Productive Boreal Forest
Spedener, Mélanie; Tofastrud, Morten; Austrheim, Gunnar; Zimmermann, Barbara (Peer reviewed; Journal article, 2024)In Norway, cattle (Bos taurus) are released to large areas of boreal forest for summer grazing. To determine to what degree this practice challenges timber production and wildlife management, we need a better understanding ... -
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 ... -
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 ... -
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) -
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)