Sam Steyaert
Førsteamanuensis
Fakultet for biovitenskap og akvakultur
2024
From death comes life: Large vertebrate carrion enhances seedling establishment in clonal ericaceous shrubs 2024, Functional Ecology: Arnberg, Mie Prik; Eycott, Amy Elizabeth; Steyaert, Sam
2023
Demographic Parameters of Asian Black Bears in Central Japan 2023, Mammal Study: Volum 48 s. 231-244 Tochigi, Kahoko; Steyaert, Sam; Fukasawa, Keita; Kuroe, Misako; Anezaki, Tomoko; Naganuma, Tomoko
Perfect poopers; passerine birds facilitate sexual reproduction in clonal keystone plants of the boreal forest through directed endozoochory towards dead wood 2023, Forest Ecology and Management: Volum 532 Arnberg, Mie Prik; Patten, Michael A.; Klanderud, Kari; Haddad, Camela; Larsen, Oddbjørn; Steyaert, Sam
Nutrient intake and its possible drivers in free-ranging European brown bears (Ursus arctos arctos) 2023, Ecology and Evolution: Volum 13 De Cuyper, Annelies; Strubbe, Diederik; Clauss, Marcus; Lens, Luc; Zedrosser, Andreas; Steyaert, Sam
The social system of a “nonsocial” species, the brown bear Bear and Human: Facets of a Multi-Layered Relationship From Past to Recent Times with an Emphasis on Northern Europe 2023, Brepols: s. 121-128 Zedrosser, Andreas; Frank, Shane; Hansen, Jennifer Eve; Steyaert, Sam; Swenson, Jon
Gut microbiome biogeography in reindeer supersedes millennia of ecological and evolutionary separation 2023, FEMS Microbiology Ecology: Volum 99 Kamenova, Stefaniya; de Muinck, Eric; Veiberg, Vebjørn; Utsi, Tove Hilde Ågnes; Steyaert, Sam; Albon, Steve
2022
Differentiation and seasonality in suitable microsites of seed dispersal by an assemblage of omnivorous mammals 2022, Global Ecology and Conservation: Volum 40 Tochigi, Kahoko; Steyaert, Sam; Naganuma, Tomoko; Yamazaki, Koji; Koike, Shinsuke
Directed endozoochorous dispersal by scavengers facilitate sexual reproduction in otherwise clonal plants at cadaver sites 2022, Ecology and Evolution: Volum 12 Arnberg, Mie Prik; Frank, Shane; Blaalid, Rakel; Davey, Marie Louise; Eycott, Amy Elizabeth; Steyaert, Sam
Land cover type modulates the distribution of litter in a Nordic cultural landscape 2022, PLOS ONE: Volum 17 Eide, Sara Kristiane Kjærgård; Leh, Linn Nefertari; EInes, Katinka Svatun; Hovland, Ingunn; By, Marit; Ingvaldsen, Elise Wiseth
2021
Grading fecal consistency in an omnivorous carnivore, the brown bear: Abandoning the concept of uniform feces 2021, Zoo Biology: Volum 40 s. 182-191 De Cuyper, Annelies; Clauss, Marcus; Lens, Luc; Strubbe, Diederik; Zedrosser, Andreas; Steyaert, Sam
Size is not everything: differing activity and foraging patterns between the sexes in a monomorphic mammal 2021, Behavioral Ecology and Sociobiology: Volum 75 s. 1-14 Lodberg-Holm, Hanna Kavli; Steyaert, S.M.J.G.; Reinhardt, Stefanie; Rosell, Frank Narve
Animal-borne video systems provide insight into the reproductive behavior of the Asian black bear. 2021, Ecology and Evolution: Volum 11 s. 9182-9190 Naganuma, Tomoko; Tanaka, Mii; Tezuka, Shiori; Steyaert, Sam; Tochigi, Kahoko; Inagaki, Akino
2020
Brown bear (Ursus arctos; Eurasia) | Brown bear (Ursus arctos; Eurasia) | Bears of the World. Ecology, conservation and management 2020, Cambridge University Press: s. 139-161 Swenson, Jon; Ambarli, Hüseyin; Arnemo, Jon Martin; Baskin, Leonid; Ciucci, Paolo; Danilov, Pjotr I.
Mating Strategies Bears of the World. Ecology, conservation and management 2020, Cambridge University Press: s. 21-35 Steyaert, Sam; Zedrosser, Andreas; Swaisgood, R; Filipczyková, Eva; Crudge, Brian Patrick; Dutta, Trishna
Fear the reaper: ungulate carcasses may generate an ephemeral landscape of fear for rodents: Rodents fear scavengers at mass die-off 2020, Royal Society Open Science: Volum 7 s. 1-11 Frank, Shane; Blaalid, Rakel; Mayer, Martin; Zedrosser, Andreas; Steyaert, Sam
Beaver (Castor fiber) activity and spatial movement in response to light and weather conditions 2020, Mammalian Biology: Volum 100 s. 261-271 Bartra Cabré, Laura; Mayer, Martin; Steyaert, Sam; Rosell, Frank Narve
2019
Endozoochory by brown bears stimulates germination in bilberry 2019, Wildlife Biology: Volum 2019 Steyaert, Sam; Hertel, Anne Gabriela; Swenson, Jon
Reindeer carcasses provide foraging habitat for insectivorous birds of the alpine tundra 2019, Ornis Norvegica: Volum 42 s. 36-40 Badia, Rudy; Steyaert, Sam; Puliti, Stefano; Blaalid, Rakel; Frank, Shane
Proximity to humans is associated with longer maternal care in brown bears 2019, Behavioral Ecology and Sociobiology: Volum 73 Van de Walle, Joanie; Leclerc, Martin; Steyaert, Sam; Zedrosser, Andreas; Swenson, Jon; Pelletier, Fanie
A human-induced landscape of fear influences foraging behavior of brown bears 2019, Basic and Applied Ecology: Volum 35 s. 18-27 Lodberg-Holm, Hanna Kavli; Gelink, Henriette Wathne; Hertel, Anne Gabriela; Swenson, Jon; Domevscik, Matej; Steyaert, Sam
Heritability of head size in a hunted large carnivore, the brown bear (Ursus arctos) | Heritability of head size in a hunted large carnivore, the brown bear (Ursus arctos) | 2019, Evolutionary Applications: Volum 12 s. 1124-1135 Rivrud, Inger Maren; Frank, Shane; Bischof, Richard; Mysterud, Atle; Steyaert, Sam; Hertel, Anne Gabriela
2018
Diversionary feeding can reduce red deer habitat selection pressure on vulnerable forest stands, but is not a panacea for red deer damage | Diversionary feeding can reduce red deer habitat selection pressure on vulnerable forest stands, but is not a panacea for red deer damage | 2018, Forest Ecology and Management: Volum 407 s. 166-173 Arnold, Johanna Maria; Gerhardt, Philipp; Steyaert, Sam M.J.G.; Hochbichler, Eduard; Hackländer, Klaus
Special delivery: scavengers direct seed dispersal towards ungulate carcasses 2018, Biology Letters: Volum 14 Steyaert, Sam; Frank, Shane; Puliti, Stefano; Badia, Rudy; Arnberg, Mie P.; Beardsley, Jack
Rub-tree selection by Andean bears in the Peruvian dry forest 2018, Ursus (International Association for Bear Research and Management): Volum 29 s. 58-66 Kleiner, Jack D.; Horn, Russell C. Van; Swenson, Jon; Steyaert, Sam
2017
Marking behavior of Andean bears in an Ecuadorian cloud forest: A pilot study 2017, Ursus (International Association for Bear Research and Management): Volum 27 s. 122-128 Filipczyková, Eva; Heitkönig, Ignas M.A.; Castellanos, Armando; Hantson, Wouter; Steyaert, Sam
Hunting promotes sexual conflict in brown bears 2017, Journal of Animal Ecology: Volum 86 s. 35-42 Gosselin, Jacinthe; Leclerc, Martin; Zedrosser, Andreas; Steyaert, Sam M.J.G.; Swenson, Jon; Pelletier, Fanie
Caught in the mesh: roads and their network-scale impediment to animal movement 2017, Ecography: Volum 40 s. 1369-1380 Bischof, Richard; Steyaert, Sam M.J.G.; Kindberg, Jonas
Indirect effects of bear hunting: a review from Scandinavia 2017, Ursus (International Association for Bear Research and Management): Volum 28 s. 150-164 Frank, Shane; Ordiz Fernandez, Andres Avelino; Gosselin, Jacinthe; Hertel, Anne Gabriela; Kindberg, Jonas; Leclerc, Martin
2016
Bears and berries: species-specific selective foraging on a patchily distributed food resource in a human-altered landscape 2016, Behavioral Ecology and Sociobiology: Volum 70 s. 831-842 Hertel, Anne Gabriela; Steyaert, Sam; Zedrosser, Andreas; Mysterud, Atle; Lodberg-Holm, Hanna Kavli; Gelink, Henriette Wathne
Ecological implications from spatial patterns in human-caused brown bear mortality 2016, Wildlife Biology: Volum 22 s. 144-152 Steyaert, Sam; Zedrosser, Andreas; Elfström, Marcus; Ordiz Fernandez, Andres Avelino; Leclerc, Martin; Frank, Shane
Human shields mediate sexual conflict in a top predator 2016, Proceedings of the Royal Society of London. Biological Sciences: Volum 283 Steyaert, Sam; Leclerc, Martin; Pelletier, Fanie; Kindberg, Jonas; Brunberg, Sven; Swenson, Jon
Seasonal and annual variation in the diet of brown bears Ursus arctos in the boreal forest of southcentral Sweden | Seasonal and annual variation in the diet of brown bears Ursus arctos in the boreal forest of southcentral Sweden | 2016, Wildlife Biology: Volum 22 s. 107-116 Stenset, Nina Emilie; Lutnæs, Paul Antoni Nilsen; Bjarnadóttir, Valgerður; Dahle, Bjørn Steinar; Fossum, Kristin Høivik; Jigsved, Patrick
Temporal effects of hunting on foraging behavior of an apex predator: Do bears forego foraging when risk is high? 2016, Oecologia: Volum 182 s. 1019-1029 Hertel, Anne Gabriela; Zedrosser, Andreas; Mysterud, Atle; Støen, Ole-Gunnar; Steyaert, Sam; Swenson, Jon
Reindeer habitat selection under the risk of brown bear predation during the calving season 2016, Ecosphere: Volum 7 Sivertsen, Therese Ramberg; Åhman, Birgitta; Steyaert, Sam M.J.G.; Rönnegård, Lars; Frank, Jens; Segerström, Peter
2015
A "clearcut" case? Brown bear selection of coarse woody debris and carpenter ants on clearcuts 2015, Forest Ecology and Management: Volum 348 s. 164-173 Frank, Shane; Steyaert, Sam; Swenson, Jon; Storch, Ilse; Kindberg, Jonas; Barck, Hanna
Socio‑ecological features other than sex affect habitat selection in the socially obligate monogamous Eurasian beaver 2015, Oecologia: Volum 179 s. 1023-1032 Steyaert, Sam; Zedrosser, Andreas; Rosell, Frank Narve
2014
Litter loss triggers estrus in a nonsocial seasonal breeder 2014, Ecology and Evolution: Volum 4 s. 300-310 Steyaert, Sam M.J.G; Swenson, Jon; Zedrosser, Andreas
Behavioral correlates of supplementary feeding of wildlife: Can general conclusions be drawn? 2014, Basic and Applied Ecology: Volum 15 s. 669-676 Steyaert, Sam M.J.G; Kindberg, Jonas; Jerina, Klemen; Krofel, Miha; Stergar, Matija; Swenson, Jon
2013
Infanticide as a male reproductive strategy has a nutritive risk effect in brown bears 2013, Biology Letters: Volum 9 Steyaert, Sam M.J.G; Reusch, C.; Brunberg, Sven; Swenson, Jon; Hackländer, K.; Zedrosser, Andreas
Male reproductive strategy explains spatiotemporal segregation in brown bears 2013, Journal of Animal Ecology: Volum 82 s. 836-845 Steyaert, Sam M.J.G; Kindberg, Jonas; Swenson, Jon; Zedrosser, Andreas
2012
The mating system of the brown bear Ursus arctos | The mating system of the brown bear Ursus arctos | 2012, Mammal Review: Volum 42 s. 12-34 Steyaert, Sam M.J.G; Endrestøl, Anders; Hackländer, Klaus; Swenson, Jon; Zedrosser, Andreas
Faecal spectroscopy: a practical tool to assess diet quality in an opportunistic omnivore 2012, Wildlife Biology: Volum 18 s. 431-438 Steyaert, Sam M.J.G; Hütter, Franziska J.; Elfström, Marcus; Zedrosser, Andreas; Hackländer, Klaus; Le, Minh Hung
2011
Brown bear conservation and the ghost of persecution past 2011, Biological Conservation: Volum 144 s. 2163-2170 Zedrosser, Andreas; Steyaert, Sam Mathias Jozef Georges; Gossow, Hartmut; Swenson, Jon
Resource selection by sympatric free-ranging dairy cattle and brown bears Ursus arctos | Resource selection by sympatric free-ranging dairy cattle and brown bears Ursus arctos | 2011, Wildlife Biology: Volum 17 s. 389-403 Steyaert, Sam M.J.G; Støen, Ole-Gunnar; Elfström, Marcus; Karlsson, Jens; Van Lammeren, Ron; Bokdam, Jan
2022
Free-ranging cattle and bears in Sweden: are they compatible? 2022, Carnivore damage prevention news: s. 11-19 Swenson, Jon; Steyaert, Sam M.J.G.; Johnsen, Christin Beate; Rosell, Frank Narve; Zedrosser, Andreas
2021
Correction to: Size is not everything: differing activity and foraging patterns between the sexes in a monomorphic mammal (Behavioral Ecology and Sociobiology, (2021), 75, 4, (76), 10.1007/s00265-021-03010-7) 2021, Behavioral Ecology and Sociobiology: Volum 75 Lodberg-Holm, Hanna Kavli; Steyaert, Sam; Reinhardt, Stefanie; Rosell, Frank Narve
2019
Change in arthropod communities after a mass death of reindeer 2019, Birkemoe, Tone; Granum, Heidi Mørkhagen; Westermann, Lina; Aak, Anders; Frank, Shane; Steyaert, Sam
Change in arthropod communities following a mass death incident of reindeer at Hardangervidda
2019, Granum, Heidi Mørkhagen; Birkemoe, Tone; Aak, Anders; Steyaert, Sam
2012
How do 3,300 brown bears cope with 9.4 million Swedes? 2012, Swenson, Jon; Ordiz, Andres; Martin, Jodie; Steyaert, Sam M.J.G; Sahlén, Veronica; Støen, Ole-Gunnar