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Brage Bremset Hansen

Brage Bremset Hansen

Research Professor & Professor II
Department of Biology

brage.b.hansen@ntnu.no
+4741604443 Realfagbygget, E3-156, Gløshaugen, Høgskoleringen 5
Google Scholar Researchgate Arctic Ecosystem Dynamics lab at the Centre for Biodiversity Dynamics (CBD)
About Publications Teaching

About

Affiliation

Centre for Biodiversity Dynamics (CBD) http://www.ntnu.edu/cbd

Dept. of Biology, NV Faculty, NTNU

 

Research interests

Population ecology, population dynamics, community ecology, community dynamics, behavioural ecology, population genetics, ancient DNA, trophic (e.g. plant-herbivore) interactions, climate change, Arctic, Svalbard, Svalbard reindeer, barnacle geese, Arctic fox, demographic modelling.

 

Current research

PI for the Dynamics of Arctic Ecosystems group, a part of Community Dynamics at CBD. PI for the project "Community dynamics in a rapidly warming high Arctic: trophic synchrony in time and space (INSYNC)", financed by the Research Council Norway (FRIPRO program) for the period 2018-2021. The goal is to explore how climate change shapes spatial and temporal community dynamics - across species and trophic levels - on the high Arctic Svalbard tundra. Project partners include Univ. Groningen, Univ. Aberdeen, Univ. Iceland, CNRS Montpellier, Norwegian Meteorological Institute, University Centre in Svalbard (UNIS). Follow the project on twitter @BrageBH, youtube and ResearchGate.

 

Competencies

  • Arctic
  • Barnacle geese
  • Behavioral ecology
  • Climate change effects
  • Community dynamics
  • Ecology
  • Evolution
  • Hunting
  • Population dynamics
  • Population genetics
  • Rain-on-snow
  • Reindeer
  • Svalbard
  • Svalbard reindeer
  • Trophic interactions
  • Tundra
  • Vegetation ecology
  • Wild rein deer

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2020

  • Fjelldal, Mari Aas; Layton-Matthews, Kate; Lee, Aline Magdalena; Grøtan, Vidar; Loonen, Maarten J.J.E.; Hansen, Brage Bremset. (2020) High-Arctic family planning: earlier spring onset advances age at first reproduction in barnacle geese. Biology Letters. volum 16 (4).
    Academic article

2019

  • Hansen, Brage Bremset; Lorentzen, Jon Runar; Welker, Jeffrey M.; Varpe, Øystein; Aanes, Ronny; Beumer, Larissa Teresa; Pedersen, Åshild Ø.. (2019) Reindeer turning maritime: Ice-locked tundra triggers changes in dietary niche utilization. Ecosphere. volum 10 (4).
    Academic article
  • Le Moullec, Mathilde; Isaksen, Ketil; Petit Bon, Matteo; Jónsdóttir, Ingibjörg Svala; Varpe, Øystein; Hendel, Anna-Lena; Beumer, Larissa Teresa; Hansen, Brage Bremset. (2019) Towards rainy Arctic winters: effects of experimental icing on tundra plants and their soil conditions. 2019. MET report (08/2019).
    Report
  • Pedersen, Åshild Ønvik; Paulsen, Ingrid M.; Albon, Steven; Arntsen, Gustav Busch; Hansen, Brage Bremset; Langvatn, Rolf; Loe, Leif Egil; Le Moullec, Mathilde; Overrein, Øystein; Peeters, Bart; Ravolainen, Virve; Ropstad, Erik; Stien, Audun; Tyler, Nicholas J. C.; Veiberg, Vebjørn; van der Wal, René; Andersen, Roy; Beumer, Larissa Teresa; Eischeid, Isabell; Forchhammer, Mads C.; Irvine, R. Justin; Marolla, Filippo; Pigeon, Gabriel; Reimers, Eigil; Trondrud, Liv Monica. (2019) Svalbard reindeer (Rangifer tarandus platyrhynchus). A status report. 2019. ISBN 978-82-7666-427-0. Rapportserie (Norsk polarinstitutt) (151).
    Report
  • Peeters, Bart; Pedersen, Åshild Ønvik; Loe, Leif Egil; Isaksen, Ketil; Veiberg, Vebjørn; Stien, Audun; Kohler, Jack; Gallet, Jean-Charles; Aanes, Ronny; Hansen, Brage Bremset. (2019) Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift. Environmental Research Letters. volum 14.
    Academic article
  • Hansen, Brage Bremset; Gamelon, Marlène; Albon, Steve D.; Lee, Aline Magdalena; Stien, Audun; Irvine, Robert Justin; Sæther, Bernt-Erik; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; Grøtan, Vidar. (2019) More frequent extreme climate events stabilize reindeer population dynamics. Nature Communications. volum 10 (1).
    Academic article
  • Hansen, Brage Bremset; Pedersen, Åshild Ønvik; Peeters, Bart; Le Moullec, Mathilde; Albon, Steve D.; Herfindal, Ivar; Sæther, Bernt-Erik; Grøtan, Vidar; Aanes, Ronny. (2019) Spatial heterogeneity in climate change effects decouples the long‐term dynamics of wild reindeer populations in the high Arctic. Global Change Biology. volum 25 (11).
    Academic article
  • Layton-Matthews, Kate; Hansen, Brage Bremset; Grøtan, Vidar; Fuglei, Eva; Loonen, Maarten J.J.E.. (2019) Contrasting consequences of climate change for migratory geese: Predation, density dependence and carryover effects offset benefits of high‐arctic warming. Global Change Biology.
    Academic article
  • Layton-Matthews, Kate; Loonen, Maarten J.J.E.; Hansen, Brage Bremset; Coste, Christophe Francois Daniel; Sæther, Bernt-Erik; Grøtan, Vidar. (2019) Density‐dependent population dynamics of a high Arctic capital breeder, the barnacle goose. Journal of Animal Ecology. volum 88 (8).
    Academic article
  • Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Stien, Audun; Rosvold, Jørgen; Hansen, Brage Bremset. (2019) A Century of Conservation: The Ongoing Recovery of Svalbard Reindeer. Journal of Wildlife Management. volum 83 (8).
    Academic article
  • Peeters, Bart; Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Rosvold, Jørgen; Hansen, Brage Bremset. (2019) Human impacts on the distribution, abundance and population genetics of the Svalbard reindeer. 2019.
    Report
  • Peeters, Bart; Le Moullec, Mathilde; Raeymaekers, Joost A. M.; Fredricson Marquez, Jonatan; Røed, Knut; Pedersen, Åshild Ønvik; Veiberg, Vebjørn; Loe, Leif Egil; Hansen, Brage Bremset. (2019) Sea ice loss increases genetic isolation in a high Arctic ungulate metapopulation. Global Change Biology. volum 26 (4).
    Academic article

2018

  • Pedersen, Åshild Ønvik; Beumer, Larissa Teresa; Hansen, Brage Bremset. (2018) Til sjøs eller til fjells? Vinterbeite i et endret arktisk landskap. Villreinen.
    Popular scientific article
  • Pedersen, Åshild Ønvik; Hansen, Brage Bremset; Loe, Leif Egil; Ropstad, Erik; Irvine, Justin R; Stien, Audun; Albon, Steve D.; Paulsen, Ingrid M.; Beumer, Larissa Teresa; Eischeid, Isabell; Le Moullec, Mathilde; Peeters, Bart; Soininen, Eeva M; Aanes, Ronny; Ravolainen, Virve. (2018) When ground-ice replaces fjord-ice: results from a study of GPS-collared Svalbard reindeer females. 2018. ISBN 978-82-7666-421-8. Norwegian Polar Institute Brief Report Series (049).
    Report
  • Hansen, Brage Bremset; Isaksen, Ketil; Varpe, Øystein. (2018) Vinteren 2017–18 er den varmeste noensinne registrert i Arktis. Aftenposten Vitenskap.
    Chronicle
  • Karlsen, Stein Rune; Anderson, Helen B.; van der Wal, René; Hansen, Brage Bremset. (2018) A new NDVI measure that overcomes data sparsity in cloud-covered regions predicts annual variation in ground-based estimates of high arctic plant productivity. Environmental Research Letters. volum 13.
    Academic article
  • Le Moullec, Mathilde; Buchwal, Agata; van der Wal, René; Sandal, Lisa; Hansen, Brage Bremset. (2018) Annual ring growth of a widespread high arctic shrub reflects past fluctuations in community‐level plant biomass. Journal of Ecology. volum 107 (1).
    Academic article
  • Ravolainen, Virve; Eischeid, Isabell; Hansen, Brage Bremset; Pedersen, Åshild Ønvik. (2018) Where do trophic interactions happen? A spatial assessment of shared habitat between the three Svalbard herbivores: Svalbard reindeer, Svalbard rock ptarmigan, and pink-footed geese. 2018.
    Report

2017

  • Beumer, Larissa Teresa; Varpe, Øystein; Hansen, Brage Bremset. (2017) Cratering behaviour and faecal C:N ratio in relation to seasonal snow-pack characteristics in a High-Arctic ungulate. Polar Research. volum 36 (1).
    Academic article
  • Albon, Steve D.; Irvine, R. Justin; Halvorsen, Odd; Langvatn, Rolf; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; van der Wal, René; Bjørkvoll, Eirin Marie; Duff, Eugene; Hansen, Brage Bremset; Lee, Aline Magdalena; Tveraa, Torkild; Stien, Audun. (2017) Contrasting effects of summer and winter warming on body mass explain population dynamics in a food-limited Arctic herbivore. Global Change Biology. volum 23 (4).
    Academic article
  • Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Yoccoz, Nigel Gilles; Aanes, Ronny; Tufto, Jarle; Hansen, Brage Bremset. (2017) Ungulate population monitoring in an open tundra landscape: distance sampling versus total counts. Wildlife Biology. volum 2017.
    Academic article
  • Loe, Leif Egil; Øyjordet, Ingvild; Veiberg, Vebjørn; Pedersen, Åshild Ønvik; Hansen, Brage Bremset; Stien, Audun. (2017) Jakt på svalbardrein – hva er naturlige grenser for fellingsområdene?. 2017.
    Report
  • Peeters, Bart; Veiberg, Vebjørn; Pedersen, Åshild Ønvik; Stien, Audun; Irvine, Robert Justin; Aanes, Ronny; Sæther, Bernt-Erik; Strand, Olav; Hansen, Brage Bremset. (2017) Climate and density dependence cause changes in adult sex ratio in a large Arctic herbivore. Ecosphere. volum 8 (2).
    Academic article
  • Veiberg, Vebjørn; Danielsen, Preben; Loe, Leif Egil; Stien, Audun; Peeters, Bart; Hansen, Brage Bremset; Irvine, R. Justin; Ropstad, Erik; Albon, Steve D.; Tveraa, Torkild; Varpe, Øystein. (2017) Klimaeffektar på svalbardreinens kalvingstidspunkt. 2017. ISBN 978-82-426-2999-9. NINA rapport (1311).
    Report

2016

  • Bjørkvoll, Eirin Marie; Lee, Aline Magdalena; Grøtan, Vidar; Sæther, Bernt-Erik; Stien, Audun; Engen, Steinar; Albon, Steve D.; Loe, Leif Egil; Hansen, Brage Bremset. (2016) Demographic buffering of life histories? Implications of the choice of measurement scale. Ecology. volum 97 (1).
    Academic article
  • Loe, Leif Egil; Hansen, Brage Bremset; Stien, Audun; Albon, Steve D.; Bischof, Richard; Carlsson, Anja M.; Irvine, Justin; Meland, Morten; Rivrud, Inger Maren; Ropstad, Erik; Veiberg, Vebjørn; Mysterud, Atle. (2016) Behavioral buffering of extreme weather events in a high-Arctic herbivore. Ecosphere. volum 7 (6).
    Academic article
  • Milner, Jos M; Varpe, Øystein; van der Wal, René; Hansen, Brage Bremset. (2016) Experimental icing affects growth, mortality, and flowering in a high Arctic dwarf shrub. Ecology and Evolution. volum 6 (7).
    Academic article
  • Peeters, Bart; Pedersen, Åshild Ønvik; Veiberg, Vebjørn; Aanes, Ronny; Hansen, Brage Bremset. (2016) Kjønnsdiskriminerende klima. Villreinen.
    Popular scientific article
  • Vickers, Hannah; Høgda, Kjell Arild; Solbø, Stian; Karlsen, Stein Rune; Tømmervik, Hans; Aanes, Ronny; Hansen, Brage Bremset. (2016) Changes in greening in the high Arctic: Insights from a 30 year AVHRR max NDVI dataset for Svalbard. Environmental Research Letters. volum 11 (10).
    Academic article

2015

  • Hansen, Brage Bremset; Isaksen, Ketil; Loe, Leif Egil; Haugen, Jan Erik; Benestad, Rasmus E.; Milner, Jos M; van der Wal, René; Varpe, Øystein. (2015) Varmere og våtere svalbardvintre: konsekvenser for natur og samfunn. 2015. MET report (20).
    Report
  • Lee, Aline Magdalena; Bjørkvoll, Eirin Marie; Hansen, Brage Bremset; Albon, Steve D.; Stien, Audun; Sæther, Bernt-Erik; Engen, Steinar; Veiberg, Vebjørn; Loe, Leif Egil; Grøtan, Vidar. (2015) An integrated population model for a long-lived ungulate: more efficient data use with Bayesian methods. Oikos. volum 124 (6).
    Academic article

2014

  • Hansen, Brage Bremset; Varpe, Øystein; Isaksen, Ketil. (2014) Varmere, våtere, villere svalbardvintre. Svalbardposten. volum 2014 (46).
    Chronicle
  • Hansen, Brage Bremset; Varpe, Øystein; Isaksen, Ketil. (2014) Warm, wet and wild. Svalbardposten.
    Chronicle
  • Hansen, Brage Bremset; Aanes, Ronny. (2014) Habituation to humans in a predator-free wild ungulate. Polar Biology. volum 38 (2).
    Academic article
  • Hansen, Brage Bremset; Isaksen, Ketil; Benestad, Rasmus E.; Kohler, Jack; Pedersen, Åshild Ø.; Loe, Leif Egil; Coulson, Stephen James; Larsen, Jan Otto; Varpe, Øystein. (2014) Warmer and wetter winters: characteristics and implications of an extreme weather event in the High Arctic. Environmental Research Letters. volum 9 (11).
    Academic article
  • Pedersen, Åshild Ønvik; Bårdsen, Bård-Jørgen; Veiberg, Vebjørn; Hansen, Brage Bremset. (2014) Jegernes egne data. Analyser av jaktstatistikk og kjevemateriale fra svalbardrein. 2014. ISBN 978 82 7666 304 4. Norwegian Polar Institute Brief Report Series (027).
    Report
  • Pedersen, Åshild Ønvik; Josefsen, Terje D.; Mørk, Torill; Åsbakk, Kjetil; Das Neves, Carlos G; Hansen, Brage Bremset; Tryland, Morten. (2014) Svalbardreinen - økologi, parasitter og sjukdommer. Norsk Veterinærtidsskrift. volum 126 (2).
    Academic article

2013

  • Hansen, Brage Bremset; Grøtan, Vidar; Aanes, Ronny; Sæther, Bernt-Erik; Stien, Audun; Fuglei, Eva; Ims, Rolf Anker; Yoccoz, Nigel; Pedersen, Åshild Ønvik. (2013) Climate Events Synchronize the Dynamics of a Resident Vertebrate Community in the High Arctic. Science. volum 339 (6117).
    Academic article

2012

  • Hansen, Brage Bremset; Aanes, Ronny. (2012) Kelp and seaweed feeding by High-Arctic wild reindeer under extreme winter conditions. Polar Research. volum 31.
    Academic article
  • Hansen, Brage Bremset; Veiberg, Vebjørn; Aanes, Ronny. (2012) Material from harvested Svalbard reindeer: Evaluation of the material, the data and their areas of application for research and management. 2012. ISBN 978-82-7666-288-7. Norwegian Polar Institute Brief Report Series (24).
    Report

2011

  • Hansen, Brage Bremset; Aanes, Ronny; Herfindal, Ivar; Kohler, Jack; Sæther, Bernt-Erik. (2011) Climate, icing and wild arctic reindeer: past relationships and future prospects. Ecology. volum 92 (10).
    Academic article

2010

  • Hansen, Brage Bremset; Aanes, Ronny; Sæther, Bernt-Erik. (2010) Feeding-crater selection by high-arctic reindeer facing ice-blocked pastures. Canadian Journal of Zoology. volum 88 (2).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny; Sæther, Bernt-Erik. (2010) Partial seasonal migration in high-arctic Svalbard reindeer (Rangifer tarandus platyrhynchus). Canadian Journal of Zoology. volum 88 (12).
    Academic article

2009

  • Hansen, Brage Bremset; Aanes, Ronny; Herfindal, Ivar; Sæther, Bernt-Erik; Henriksen, Snorre. (2009) Winter habitat-space use in a large arctic herbivore facing contrasting forage abundance. Polar Biology. volum 32 (7).
    Academic article
  • Hansen, Brage Bremset; Herfindal, Ivar; Aanes, Ronny; Sæther, Bernt-Erik; Henriksen, Snorre. (2009) Functional response in habitat selection and the tradeoffs between foraging niche components in a large herbivore. Oikos. volum 118 (6).
    Academic article
  • Herfindal, Ivar; Tremblay, Jean-Pierre; Hansen, Brage Bremset; Solberg, Erling Johan; Heim, Morten; Sæther, Bernt-Erik. (2009) Scale dependency and functional response in moose habitat selection. Ecography. volum 32 (5).
    Academic article

2008

  • Hansen, Brage Bremset. (2008) The Svalbard reindeer (Rangifer tarandus platyrhynchus) and its food base: plant-herbivore interactions in a high-arctic ecosystem. 2008.
    PhD thesis

2007

  • Hansen, Brage Bremset; Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik. (2007) Ungulate impact on vegetation in a two-level trophic system. Polar Biology. volum 30.
    Academic article

2002

  • Hansen, Brage Bremset. (2002) Effects of forage depletion on spatial use and feeding strategy in the high arctic Svalbard reindeer (Rangifer tarandus platyrhynchus). 2002.
    Master thesis

Scientific articles

  • Fjelldal, Mari Aas; Layton-Matthews, Kate; Lee, Aline Magdalena; Grøtan, Vidar; Loonen, Maarten J.J.E.; Hansen, Brage Bremset. (2020) High-Arctic family planning: earlier spring onset advances age at first reproduction in barnacle geese. Biology Letters. volum 16 (4).
    Academic article
  • Hansen, Brage Bremset; Lorentzen, Jon Runar; Welker, Jeffrey M.; Varpe, Øystein; Aanes, Ronny; Beumer, Larissa Teresa; Pedersen, Åshild Ø.. (2019) Reindeer turning maritime: Ice-locked tundra triggers changes in dietary niche utilization. Ecosphere. volum 10 (4).
    Academic article
  • Peeters, Bart; Pedersen, Åshild Ønvik; Loe, Leif Egil; Isaksen, Ketil; Veiberg, Vebjørn; Stien, Audun; Kohler, Jack; Gallet, Jean-Charles; Aanes, Ronny; Hansen, Brage Bremset. (2019) Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift. Environmental Research Letters. volum 14.
    Academic article
  • Hansen, Brage Bremset; Gamelon, Marlène; Albon, Steve D.; Lee, Aline Magdalena; Stien, Audun; Irvine, Robert Justin; Sæther, Bernt-Erik; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; Grøtan, Vidar. (2019) More frequent extreme climate events stabilize reindeer population dynamics. Nature Communications. volum 10 (1).
    Academic article
  • Hansen, Brage Bremset; Pedersen, Åshild Ønvik; Peeters, Bart; Le Moullec, Mathilde; Albon, Steve D.; Herfindal, Ivar; Sæther, Bernt-Erik; Grøtan, Vidar; Aanes, Ronny. (2019) Spatial heterogeneity in climate change effects decouples the long‐term dynamics of wild reindeer populations in the high Arctic. Global Change Biology. volum 25 (11).
    Academic article
  • Layton-Matthews, Kate; Hansen, Brage Bremset; Grøtan, Vidar; Fuglei, Eva; Loonen, Maarten J.J.E.. (2019) Contrasting consequences of climate change for migratory geese: Predation, density dependence and carryover effects offset benefits of high‐arctic warming. Global Change Biology.
    Academic article
  • Layton-Matthews, Kate; Loonen, Maarten J.J.E.; Hansen, Brage Bremset; Coste, Christophe Francois Daniel; Sæther, Bernt-Erik; Grøtan, Vidar. (2019) Density‐dependent population dynamics of a high Arctic capital breeder, the barnacle goose. Journal of Animal Ecology. volum 88 (8).
    Academic article
  • Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Stien, Audun; Rosvold, Jørgen; Hansen, Brage Bremset. (2019) A Century of Conservation: The Ongoing Recovery of Svalbard Reindeer. Journal of Wildlife Management. volum 83 (8).
    Academic article
  • Peeters, Bart; Le Moullec, Mathilde; Raeymaekers, Joost A. M.; Fredricson Marquez, Jonatan; Røed, Knut; Pedersen, Åshild Ønvik; Veiberg, Vebjørn; Loe, Leif Egil; Hansen, Brage Bremset. (2019) Sea ice loss increases genetic isolation in a high Arctic ungulate metapopulation. Global Change Biology. volum 26 (4).
    Academic article
  • Karlsen, Stein Rune; Anderson, Helen B.; van der Wal, René; Hansen, Brage Bremset. (2018) A new NDVI measure that overcomes data sparsity in cloud-covered regions predicts annual variation in ground-based estimates of high arctic plant productivity. Environmental Research Letters. volum 13.
    Academic article
  • Le Moullec, Mathilde; Buchwal, Agata; van der Wal, René; Sandal, Lisa; Hansen, Brage Bremset. (2018) Annual ring growth of a widespread high arctic shrub reflects past fluctuations in community‐level plant biomass. Journal of Ecology. volum 107 (1).
    Academic article
  • Beumer, Larissa Teresa; Varpe, Øystein; Hansen, Brage Bremset. (2017) Cratering behaviour and faecal C:N ratio in relation to seasonal snow-pack characteristics in a High-Arctic ungulate. Polar Research. volum 36 (1).
    Academic article
  • Albon, Steve D.; Irvine, R. Justin; Halvorsen, Odd; Langvatn, Rolf; Loe, Leif Egil; Ropstad, Erik; Veiberg, Vebjørn; van der Wal, René; Bjørkvoll, Eirin Marie; Duff, Eugene; Hansen, Brage Bremset; Lee, Aline Magdalena; Tveraa, Torkild; Stien, Audun. (2017) Contrasting effects of summer and winter warming on body mass explain population dynamics in a food-limited Arctic herbivore. Global Change Biology. volum 23 (4).
    Academic article
  • Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Yoccoz, Nigel Gilles; Aanes, Ronny; Tufto, Jarle; Hansen, Brage Bremset. (2017) Ungulate population monitoring in an open tundra landscape: distance sampling versus total counts. Wildlife Biology. volum 2017.
    Academic article
  • Peeters, Bart; Veiberg, Vebjørn; Pedersen, Åshild Ønvik; Stien, Audun; Irvine, Robert Justin; Aanes, Ronny; Sæther, Bernt-Erik; Strand, Olav; Hansen, Brage Bremset. (2017) Climate and density dependence cause changes in adult sex ratio in a large Arctic herbivore. Ecosphere. volum 8 (2).
    Academic article
  • Bjørkvoll, Eirin Marie; Lee, Aline Magdalena; Grøtan, Vidar; Sæther, Bernt-Erik; Stien, Audun; Engen, Steinar; Albon, Steve D.; Loe, Leif Egil; Hansen, Brage Bremset. (2016) Demographic buffering of life histories? Implications of the choice of measurement scale. Ecology. volum 97 (1).
    Academic article
  • Loe, Leif Egil; Hansen, Brage Bremset; Stien, Audun; Albon, Steve D.; Bischof, Richard; Carlsson, Anja M.; Irvine, Justin; Meland, Morten; Rivrud, Inger Maren; Ropstad, Erik; Veiberg, Vebjørn; Mysterud, Atle. (2016) Behavioral buffering of extreme weather events in a high-Arctic herbivore. Ecosphere. volum 7 (6).
    Academic article
  • Milner, Jos M; Varpe, Øystein; van der Wal, René; Hansen, Brage Bremset. (2016) Experimental icing affects growth, mortality, and flowering in a high Arctic dwarf shrub. Ecology and Evolution. volum 6 (7).
    Academic article
  • Vickers, Hannah; Høgda, Kjell Arild; Solbø, Stian; Karlsen, Stein Rune; Tømmervik, Hans; Aanes, Ronny; Hansen, Brage Bremset. (2016) Changes in greening in the high Arctic: Insights from a 30 year AVHRR max NDVI dataset for Svalbard. Environmental Research Letters. volum 11 (10).
    Academic article
  • Lee, Aline Magdalena; Bjørkvoll, Eirin Marie; Hansen, Brage Bremset; Albon, Steve D.; Stien, Audun; Sæther, Bernt-Erik; Engen, Steinar; Veiberg, Vebjørn; Loe, Leif Egil; Grøtan, Vidar. (2015) An integrated population model for a long-lived ungulate: more efficient data use with Bayesian methods. Oikos. volum 124 (6).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny. (2014) Habituation to humans in a predator-free wild ungulate. Polar Biology. volum 38 (2).
    Academic article
  • Hansen, Brage Bremset; Isaksen, Ketil; Benestad, Rasmus E.; Kohler, Jack; Pedersen, Åshild Ø.; Loe, Leif Egil; Coulson, Stephen James; Larsen, Jan Otto; Varpe, Øystein. (2014) Warmer and wetter winters: characteristics and implications of an extreme weather event in the High Arctic. Environmental Research Letters. volum 9 (11).
    Academic article
  • Pedersen, Åshild Ønvik; Josefsen, Terje D.; Mørk, Torill; Åsbakk, Kjetil; Das Neves, Carlos G; Hansen, Brage Bremset; Tryland, Morten. (2014) Svalbardreinen - økologi, parasitter og sjukdommer. Norsk Veterinærtidsskrift. volum 126 (2).
    Academic article
  • Hansen, Brage Bremset; Grøtan, Vidar; Aanes, Ronny; Sæther, Bernt-Erik; Stien, Audun; Fuglei, Eva; Ims, Rolf Anker; Yoccoz, Nigel; Pedersen, Åshild Ønvik. (2013) Climate Events Synchronize the Dynamics of a Resident Vertebrate Community in the High Arctic. Science. volum 339 (6117).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny. (2012) Kelp and seaweed feeding by High-Arctic wild reindeer under extreme winter conditions. Polar Research. volum 31.
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny; Herfindal, Ivar; Kohler, Jack; Sæther, Bernt-Erik. (2011) Climate, icing and wild arctic reindeer: past relationships and future prospects. Ecology. volum 92 (10).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny; Sæther, Bernt-Erik. (2010) Feeding-crater selection by high-arctic reindeer facing ice-blocked pastures. Canadian Journal of Zoology. volum 88 (2).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny; Sæther, Bernt-Erik. (2010) Partial seasonal migration in high-arctic Svalbard reindeer (Rangifer tarandus platyrhynchus). Canadian Journal of Zoology. volum 88 (12).
    Academic article
  • Hansen, Brage Bremset; Aanes, Ronny; Herfindal, Ivar; Sæther, Bernt-Erik; Henriksen, Snorre. (2009) Winter habitat-space use in a large arctic herbivore facing contrasting forage abundance. Polar Biology. volum 32 (7).
    Academic article
  • Hansen, Brage Bremset; Herfindal, Ivar; Aanes, Ronny; Sæther, Bernt-Erik; Henriksen, Snorre. (2009) Functional response in habitat selection and the tradeoffs between foraging niche components in a large herbivore. Oikos. volum 118 (6).
    Academic article
  • Herfindal, Ivar; Tremblay, Jean-Pierre; Hansen, Brage Bremset; Solberg, Erling Johan; Heim, Morten; Sæther, Bernt-Erik. (2009) Scale dependency and functional response in moose habitat selection. Ecography. volum 32 (5).
    Academic article
  • Hansen, Brage Bremset; Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik. (2007) Ungulate impact on vegetation in a two-level trophic system. Polar Biology. volum 30.
    Academic article

Journal publications

  • Pedersen, Åshild Ønvik; Beumer, Larissa Teresa; Hansen, Brage Bremset. (2018) Til sjøs eller til fjells? Vinterbeite i et endret arktisk landskap. Villreinen.
    Popular scientific article
  • Hansen, Brage Bremset; Isaksen, Ketil; Varpe, Øystein. (2018) Vinteren 2017–18 er den varmeste noensinne registrert i Arktis. Aftenposten Vitenskap.
    Chronicle
  • Peeters, Bart; Pedersen, Åshild Ønvik; Veiberg, Vebjørn; Aanes, Ronny; Hansen, Brage Bremset. (2016) Kjønnsdiskriminerende klima. Villreinen.
    Popular scientific article
  • Hansen, Brage Bremset; Varpe, Øystein; Isaksen, Ketil. (2014) Varmere, våtere, villere svalbardvintre. Svalbardposten. volum 2014 (46).
    Chronicle
  • Hansen, Brage Bremset; Varpe, Øystein; Isaksen, Ketil. (2014) Warm, wet and wild. Svalbardposten.
    Chronicle

Report

  • Le Moullec, Mathilde; Isaksen, Ketil; Petit Bon, Matteo; Jónsdóttir, Ingibjörg Svala; Varpe, Øystein; Hendel, Anna-Lena; Beumer, Larissa Teresa; Hansen, Brage Bremset. (2019) Towards rainy Arctic winters: effects of experimental icing on tundra plants and their soil conditions. 2019. MET report (08/2019).
    Report
  • Pedersen, Åshild Ønvik; Paulsen, Ingrid M.; Albon, Steven; Arntsen, Gustav Busch; Hansen, Brage Bremset; Langvatn, Rolf; Loe, Leif Egil; Le Moullec, Mathilde; Overrein, Øystein; Peeters, Bart; Ravolainen, Virve; Ropstad, Erik; Stien, Audun; Tyler, Nicholas J. C.; Veiberg, Vebjørn; van der Wal, René; Andersen, Roy; Beumer, Larissa Teresa; Eischeid, Isabell; Forchhammer, Mads C.; Irvine, R. Justin; Marolla, Filippo; Pigeon, Gabriel; Reimers, Eigil; Trondrud, Liv Monica. (2019) Svalbard reindeer (Rangifer tarandus platyrhynchus). A status report. 2019. ISBN 978-82-7666-427-0. Rapportserie (Norsk polarinstitutt) (151).
    Report
  • Peeters, Bart; Le Moullec, Mathilde; Pedersen, Åshild Ønvik; Rosvold, Jørgen; Hansen, Brage Bremset. (2019) Human impacts on the distribution, abundance and population genetics of the Svalbard reindeer. 2019.
    Report
  • Pedersen, Åshild Ønvik; Hansen, Brage Bremset; Loe, Leif Egil; Ropstad, Erik; Irvine, Justin R; Stien, Audun; Albon, Steve D.; Paulsen, Ingrid M.; Beumer, Larissa Teresa; Eischeid, Isabell; Le Moullec, Mathilde; Peeters, Bart; Soininen, Eeva M; Aanes, Ronny; Ravolainen, Virve. (2018) When ground-ice replaces fjord-ice: results from a study of GPS-collared Svalbard reindeer females. 2018. ISBN 978-82-7666-421-8. Norwegian Polar Institute Brief Report Series (049).
    Report
  • Ravolainen, Virve; Eischeid, Isabell; Hansen, Brage Bremset; Pedersen, Åshild Ønvik. (2018) Where do trophic interactions happen? A spatial assessment of shared habitat between the three Svalbard herbivores: Svalbard reindeer, Svalbard rock ptarmigan, and pink-footed geese. 2018.
    Report
  • Loe, Leif Egil; Øyjordet, Ingvild; Veiberg, Vebjørn; Pedersen, Åshild Ønvik; Hansen, Brage Bremset; Stien, Audun. (2017) Jakt på svalbardrein – hva er naturlige grenser for fellingsområdene?. 2017.
    Report
  • Veiberg, Vebjørn; Danielsen, Preben; Loe, Leif Egil; Stien, Audun; Peeters, Bart; Hansen, Brage Bremset; Irvine, R. Justin; Ropstad, Erik; Albon, Steve D.; Tveraa, Torkild; Varpe, Øystein. (2017) Klimaeffektar på svalbardreinens kalvingstidspunkt. 2017. ISBN 978-82-426-2999-9. NINA rapport (1311).
    Report
  • Hansen, Brage Bremset; Isaksen, Ketil; Loe, Leif Egil; Haugen, Jan Erik; Benestad, Rasmus E.; Milner, Jos M; van der Wal, René; Varpe, Øystein. (2015) Varmere og våtere svalbardvintre: konsekvenser for natur og samfunn. 2015. MET report (20).
    Report
  • Pedersen, Åshild Ønvik; Bårdsen, Bård-Jørgen; Veiberg, Vebjørn; Hansen, Brage Bremset. (2014) Jegernes egne data. Analyser av jaktstatistikk og kjevemateriale fra svalbardrein. 2014. ISBN 978 82 7666 304 4. Norwegian Polar Institute Brief Report Series (027).
    Report
  • Hansen, Brage Bremset; Veiberg, Vebjørn; Aanes, Ronny. (2012) Material from harvested Svalbard reindeer: Evaluation of the material, the data and their areas of application for research and management. 2012. ISBN 978-82-7666-288-7. Norwegian Polar Institute Brief Report Series (24).
    Report
  • Hansen, Brage Bremset. (2008) The Svalbard reindeer (Rangifer tarandus platyrhynchus) and its food base: plant-herbivore interactions in a high-arctic ecosystem. 2008.
    PhD thesis
  • Hansen, Brage Bremset. (2002) Effects of forage depletion on spatial use and feeding strategy in the high arctic Svalbard reindeer (Rangifer tarandus platyrhynchus). 2002.
    Master thesis

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