Blar i Brage INN på forfatter "Fuchs, Boris"
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Assessment of the LeadCare® Plus for Use on Scandinavian Brown Bears (Ursus arctos)
Boesen, Amanda Høyer; Thiel, Alexandra; Fuchs, Boris; Evans, Alina L.; Bertelsen, Mads F.; Rodushkin, Illia; Arnemo, Jon Martin (Peer reviewed; Journal article, 2019) -
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 ... -
Behavioral and Physiological Responses of Scandinavian Brown Bears (Ursus arctos) to Dog Hunts and Human Encounters
Le Grand, Luc; Thorsen, Neri Horntvedt; Fuchs, Boris; Evans, Alina L.; Laske, Timothy G.; Arnemo, Jon Martin; Sæbø, Solve; Støen, Ole-Gunnar (Peer reviewed; Journal article, 2019)Innovations in biologging have offered new possibilities to better understand animals in their natural environment. Biologgers can be used by researchers to measure the impact of human disturbances on wildlife and guide ... -
Body mass is associated with hibernation length, body temperature, and heart rate in free-ranging brown bears
Evans, Alina; Fuchs, Boris; Singh, Navinder; Thiel, Alexandra; Giroud, Sylvain; Blanc, Stephane; Laske, Timothy G.; Frobert, Ole; Friebe, Andrea; Swenson, Jon; Arnemo, Jon Martin (Peer reviewed; Journal article, 2023)Background Despite centuries of research, debate remains on the scaling of metabolic rate to mass especially for intraspecific cases. The high variation of body mass within brown bears presents a unique opportunity to ... -
Body temperature patterns during pregnancy and parturition in moose
Græsli, Anne Randi; Thiel, Alexandra; Fuchs, Boris; Stenbacka, Fredrik; Neumann, Wiebke; Singh, Navinder J.; Ericsson, Göran; Arnemo, Jon Martin; Evans, Alina (Peer reviewed; Journal article, 2022)Gestation and lactation have high energetic requirements. Up to three-fourths of the gestation period in moose (Alces alces) overlaps with the food-scarce period in winter. During this period, moose deal with the limited ... -
Comparison of two non-invasive arterial blood pressure monitoring techniques in brown bears (Ursus arctos)
Morelli, Jacopo; Briganti, Angela; Fuchs, Boris; Huber, Ðuro; Evans, Alina; Reljić, Slaven; Arnemo, Jon Martin (Peer reviewed; Journal article, 2020)Monitoring arterial blood pressure (BP), represents a more accurate evaluation of hemodynamics than heart rate alone and is essential for preventing and treating intra- and post-operative complications in wildlife chemical ... -
The cost of research: Lasting effects of capture, surgery and muscle biopsy on brown bear (Ursus arctos) movement and physiology
Thiel, Alexandra; Hertel, Anne Gabriela; Giroud, Sylvain; Friebe, Andrea; Fuchs, Boris; Kindberg, Jonas; Græsli, Anne Randi; Arnemo, Jon Martin; Evans, Alina (Peer reviewed; Journal article, 2023)Animal models are a key component of translational medicine, helping transfer scientific findings into practical applications for human health. A fundamental principle of research ethics involves weighing the benefits of ... -
Effects of reproduction and environmental factors on body temperature and activity patterns of wolverines
Thiel, Alexandra; Evans, Alina L.; Fuchs, Boris; Arnemo, Jon Martin; Aronsson, Malin; Persson, Jens (Peer reviewed; Journal article, 2019) -
Evaluation of three medetomidine-based anesthetic protocols for chemical immobilization of wild boars (Sus scrofa)
Morelli, Jacopo; Rossi, Sophie; Fuchs, Boris; Barros, Daniela Sá Braz; Richard, Emmanuelle; Kûker, Susanne; Arnemo, Jon Martin; Evans, Alina (Peer reviewed; Journal article, 2021)Three medetomidine-based drug protocols were compared by evaluating time courses, reliability and physiological effects in wild boars. A total of 21 cage-trapped wild boars (Sus scrofa) were immobilized using one of the ... -
Extrinsic and intrinsic factors drive the timing of gestation and reproductive success of Scandinavian brown bears
Lemière, Lucie; Thiel, Alexandra; Fuchs, Boris; Gilot-Fromont, Emmanuelle; Hertel, Anne G.; Friebe, Andrea; Kindberg, Jonas; Støen, Ole-Gunnar; Arnemo, Jon Martin; Evans, Alina L. (Peer reviewed; Journal article, 2022)Climate change is altering the reproductive phenology of many organisms, but the factors that influence the timing of gestation in ursids are still poorly understood. Higher temperatures in spring are already causing an ... -
Heart rate during hyperphagia differs between two bear species
Fuchs, Boris; Yamazaki, Koji; Evans, Alina L.; Tsubota, Toshio; Koike, Shinsuke; Naganuma, Tomoko; Arnemo, Jon Martin (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 concentrations of lead (Pb) in blood and milk of free-ranging brown bears (Ursus arctos) in Scandinavia
Fuchs, Boris; Thiel, Alexandra; Zedrosser, Andreas; Brown, Ludovick; Hydeskov, Helle Bernstorf; Rodushkin, Ilia; Evans, Alina; Boesen, Amanda Høyer; Græsli, Anne Randi; Kindberg, Jonas; Arnemo, Jon Martin (Peer reviewed; Journal article, 2021)Exposure to lead (Pb) is a global health problem for both humans and wildlife. Despite a dramatic decline in human Pb exposure following restrictions of leaded gasoline and industry and thereby an overall reduction of Pb ... -
High concentrations of lead (Pb) in blood and milk of free-ranging brown bears (Ursus arctos) in Scandinavia
Fuchs, Boris; Thiel, Alexandra; Zedrosser, Andreas; Brown, Ludovick; Hydeskov, Helle Bernstorf; Rodushkin, Ilia; Evans, Alina; Boesen, Amanda Høyer; Græsli, Anne Randi; Kindberg, Jonas; Arnemo, Jon Martin (Peer reviewed; Journal article, 2021)Exposure to lead (Pb) is a global health problem for both humans and wildlife. Despite a dramatic decline in human Pb exposure following restrictions of leaded gasoline and industry and thereby an overall reduction of Pb ... -
Landscape of fear or landscape of food? Moose hunting triggers an antipredator response in brown bears
Brown, Ludovick; Zedrosser, Andreas; Arnemo, Jon Martin; Fuchs, Boris; Kindberg, Jonas; Pelletier, Fanie (Peer reviewed; Journal article, 2023)Hunters can affect the behavior of wildlife by inducing a landscape of fear, selecting individuals with specific traits, or altering resource availability across the landscape. Most research investigating the influence of ... -
Lead (Pb) exposure and source tracing in Scandinavian brown bears (Ursus arctos)
Fuchs, Boris (Ph.d.-avhandlinger i anvendt økologi og bioteknologi;38, Doctoral thesis, 2024)Bly (Pb) er et giftig tungmetall som er blitt fjernet fra de fleste hverdagsprodukter, inkludert bensin og maling. Som et resultat har blynivåene hos mennesker og i miljøet blitt drastisk redusert. Brunbjørner (Ursus arctos) ... -
Lead exposure in brown bears is linked to environmental levels and the distribution of moose kills
Brown, Ludovick; Fuchs, Boris; Arnemo, Jon Martin; Kindberg, Jonas; Rodushkin, Ilia; Zedrosser, Andreas; Pelletier, Fanie (Peer reviewed; Journal article, 2023)Lead (Pb) is heterogeneously distributed in the environment and multiple sources like Pb ammunition and fossil fuel combustion can increase the risk of exposure in wildlife. Brown bears (Ursus arctos) in Sweden have higher ... -
Movement and heart rate in the Scandinavian brown bear (Ursus arctos)
Blanchet, Leslie; Fuchs, Boris; Støen, Ole-Gunnar; Bergouignan, Audrey; Ordiz, Andres; Laske, Timothy G.; Arnemo, Jon Martin; Evans, Alina L. (Peer reviewed; Journal article, 2019)Background: Understanding animal movement facilitates better management and conservation. The link between movement and physiology holds clues to the basic drivers of animal behaviours. In bears, heart rate increases with ... -
Physiological and behavioural responses of moose to hunting with dogs
Græsli, Anne Randi; Le Grand, Luc; Thiel, Alexandra; Fuchs, Boris; Devineau, Olivier; Stenbacka, Fredrik; Neumann, Wiebke; Ericsson, Göran; Singh, Navinder J.; Laske, Timothy G.; Beumer, Larissa Teresa; Arnemo, Jon Martin; Evans, Alina L. (Peer reviewed; Journal article, 2020)Optimal management of hunted species requires an understanding of the impacts of hunting on both individual animal and population levels. Recent technological advancements in biologging enable us to obtain increasingly ... -
Physiological reactions to capture in hibernating brown bears
Evans, Alina L.; Singh, Navinder J.; Fuchs, Boris; Blanc, Stephane; Friebe, Andrea; Laske, Timothy G.; Frobert, Ole; Swenson, Jon E.; Arnemo, Jon Martin (Journal article; Peer reviewed, 2016)Human disturbance can affect animal life history and even population dynamics. However, the consequences of these disturbances are difficult to measure. This is especially true for hibernating animals, which are highly ...