2022

• Bech, Claus; Mariussen, Carita. (2022) Breathing in the Cold: Seasonal Changes in the Ventilatory Pattern in a Small Boreal Passerine Bird. Frontiers in Ecology and Evolution. volum 10.
  Vitenskapelig artikkel
• Keogan, Katharine; Daunt, Francis; Wanless, Sarah; Phillips, Richard A.; Alvarez, David; Anker-Nilssen, Tycho; Barrett, Robert; Bech, Claus; Becker, Peter H.; Berglund, Per-Arvid; Bouwhuis, Sandra; Burr, Zofia; Chastel, Olivier; Christensen-Dalsgaard, Signe; Descamps, Sebastien; Diamond, Tony; Elliott, Kyle; Erikstad, Kjell E.; Harris, Mike. (2022) Variation and correlation in the timing of breeding of North Atlantic seabirds across multiple scales. Journal of Animal Ecology. volum 91 (9).
  Vitenskapelig artikkel
• Sørås, Rune; Fjelldal, Mari Aas; Bech, Claus; van der Kooij, Jeroen; Skåra, Karoline Hansen; Eldegard, Katrine; Stawski, Clare. (2022) State dependence of arousal from torpor in brown long-eared bats (Plecotus auritus). Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. volum 192.
  Vitenskapelig artikkel
• Tartu, Sabrina; Blévin, Pierre; Bustamante, Paco; Angelier, Frédéric; Bech, Claus; Bustnes, Jan Ove; Chierici, Melissa; Fransson, Agneta; Gabrielsen, Geir W.; Goutte, Aurélie; Moe, Børge; Sauser, Christophe; Sire, Julien; Barbraud, Christophe; Chastel, Olivier. (2022) A U-Turn for Mercury Concentrations over 20 Years: How Do Environmental Conditions Affect Exposure in Arctic Seabirds?. Environmental Science and Technology. volum 56 (4).
  Vitenskapelig artikkel

2021

• Berntsen, Johan Henrik Hårdensson; Bech, Claus. (2021) Incubation temperature and physiological aging in the zebra finch. PLOS ONE. volum 16 (11).
  Vitenskapelig artikkel
• Einum, Sigurd; Bech, Claus; Kielland, Øystein Nordeide. (2021) Quantitative mismatch between empirical temperature-size rule slopes and predictions based on oxygen limitation. Scientific Reports. volum 11 (1).
  Vitenskapelig artikkel
• Skåra, Karoline Hansen; Bech, Claus; Fjelldal, Mari Aas; van der Kooij, Jeroen; Sørås, Rune; Stawski, Clare. (2021) Energetics of whiskered bats in comparison to other bats of the family Vespertilionidae. Biology Open. volum 10 (8).
  Vitenskapelig artikkel

2020

• Bech, Claus; Christiansen, Maren Trones; Kvernland, Pernille; Nygård, Randi Marie; Rypdal, Eline; Sneltorp, Sara Kjeldsø; Trondrud, Liv Monica; Tvedten, Øyvind Gjønnes. (2020) The standard metabolic rate of a land snail (Cepaea hortensis) is a repeatable trait and influences winter survival. Comparative Biochemistry and Physiology A. volum 249.
  Vitenskapelig artikkel

2019

• Einum, Sigurd; Ratikainen, Irja Ida; Wright, Jonathan; Pelabon, Christophe; Bech, Claus; Jutfelt, Fredrik; Stawski, Clare; Burton, Tim. (2019) How to quantify thermal acclimation capacity?. Global Change Biology.
  Vitenskapelig artikkel
• Kielland, Øystein Nordeide; Bech, Claus; Einum, Sigurd. (2019) Warm and out of breath: thermal phenotypic plasticity in oxygen supply. Functional Ecology. volum 33 (11).
  Vitenskapelig artikkel

2018

• Keogan, Katharine; Daunt, Francis; Wanless, Sarah; Phillips, Richard A.; Walling, Craig A.; Agnew, Philippa; Ainley, David G.; Anker-Nilssen, Tycho; Ballard, Grant; Barrett, Robert T; Barton, Kerry J.; Bech, Claus; Becker, Peter; Berglund, Per-Arvid; Bollache, Loïc; Bond, Alexander L.; Bouwhuis, Sandra; Bradley, Russell W.; Burr, Zofia. (2018) Global phenological insensitivity to shifting ocean temperatures among seabirds. Nature Climate Change. volum 8 (4).
  Vitenskapelig artikkel
• Vihtakari, Mikko; Welcker, Jorg; Moe, Børge; Chastel, Olivier; Tartu, Sabrina; Hop, Haakon; Bech, Claus; Descamps, Sébastien; Gabrielsen, Geir W.. (2018) Black-legged kittiwakes as messengers of Atlantification in the Arctic. Scientific Reports. volum 8.
  Vitenskapelig artikkel
• Svendsen, Niels Borup; Herzke, Dorte; Harju, Mikael; Bech, Claus; Gabrielsen, Geir W.; Jaspers, Veerle. (2018) Persistent organic pollutants and organophosphate esters in feathers and blood plasma of adult kittiwakes (Rissa tridactyla) from Svalbard – associations with body condition and thyroid hormones. Environmental Research. volum 164.
  Vitenskapelig artikkel

2017

• Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Chastel, Olivier. (2017) Perfluorinated substances and telomeres in an Arctic seabird: Cross-sectional and longitudinal approaches. Environmental Pollution (1987). volum 230.
  Vitenskapelig artikkel
• Bustnes, Jan Ove; Bårdsen, Bård-Jørgen; Moe, Børge; Herzke, Dorte; Hanssen, Sveinn Are; Sagerup, Kjetil; Bech, Claus; Nordstad, Tore; Chastel, Olivier; Tartu, Sabrina; Gabrielsen, Geir W.. (2017) Temporal variation in circulating concentrations of organochlorine pollutants in a pelagic seabird breeding in the high arctic. Environmental Toxicology and Chemistry. volum 36 (2).
  Vitenskapelig artikkel
• Kielland, Øystein Nordeide; Bech, Claus; Einum, Sigurd. (2017) Is there plasticity in developmental instability? The effect of daily thermal fluctuations in an ectotherm. Ecology and Evolution. volum 7 (24).
  Vitenskapelig artikkel
• Kielland, Øystein Nordeide; Bech, Claus; Einum, Sigurd. (2017) No evidence for thermal transgenerational plasticity in metabolism when minimizing the potential for confounding effects. Proceedings of the Royal Society of London. Biological Sciences. volum 284 (1846).
  Vitenskapelig artikkel

2016

• Burr, Zofia; Varpe, Øystein; Anker-Nilssen, Tycho; Erikstad, Kjell E; Descamps, Sébastien; Barrett, Robert T; Bech, Claus; Christensen-Dalsgaard, Signe; Lorentsen, Svein-Håkon; Moe, Børge; Reiertsen, Tone Kristin; Strøm, Hallvard. (2016) Later at higher latitudes: Large-scale variability in seabird breeding timing and synchronicity. Ecosphere. volum 7 (5).
  Vitenskapelig artikkel
• Bech, Claus; Chappell, Mark A.; Astheimer, Lee B.; Londono, Gustavo A; Buttemer, William A.. (2016) A 'slow pace of life' in Australian old-endemic passerine birds is not accompanied by low basal metabolic rates. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. volum 186 (4).
  Vitenskapelig artikkel
• Berntsen, Johan Henrik Hårdensson; Bech, Claus. (2016) Incubation temperature influences survival in a small passerine bird. Journal of Avian Biology. volum 47 (2).
  Vitenskapelig artikkel
• Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Ruault, Stéphanie; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier. (2016) Exposure to oxychlordane is associated with shorter telomeres in arctic breeding kittiwakes. Science of the Total Environment. volum 563-564.
  Vitenskapelig artikkel
• Lunde, Even Tvede; Bech, Claus; Fyumagwa, Robert D.; Jackson, Craig Ryan; Røskaft, Eivin. (2016) Assessing the effect of roads on impala (Aepyceros melampus) stress levels using faecal glucocorticoid metabolites. African Journal of Ecology. volum 54 (4).
  Vitenskapelig artikkel
• Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik; Hagen, Ingerid Julie; Sæther, Bernt-Erik; Jensen, Henrik; Grindstaff, Jennifer. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology. volum 30 (7).
  Vitenskapelig artikkel
• Tartu, Sabrina; Bustamante, Paco; Angelier, Frédéric; Lendvai, Adam Z.; Moe, Børge; Blévin, Pierre; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier. (2016) Mercury exposure, stress and prolactin secretion in an Arctic seabird: an experimental study. Functional Ecology. volum 30 (4).
  Vitenskapelig artikkel

2015

• Prop, Jouke; Aars, Jon; Bårdsen, Bård-Jørgen; Hanssen, Sveinn Are; Bech, Claus; Bourgeon, Sophie; Fouw, Jimmy de; Gabrielsen, Geir W.; Lang, Johannes; Noreen, Elin; Oudman, Thomas; Sittler, Benoit; stempniewicz, Lech; Tombre, Ingunn; Wolters, Eva; Moe, Børge. (2015) Climate change and the increasing impact of polar bears on bird populations. Frontiers in Ecology and Evolution. volum 3 (33).
  Vitenskapelig artikkel
• Goutte, Aurélie; Barbraud, Christophe; Herzke, Dorte; Bustamante, Paco; Angelier, Frédéric; Tartu, Sabrina; Clement-Chastel, Celine; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier. (2015) Survival rate and breeding outputs in a high Arctic seabird exposed to legacy persistent organic pollutants and mercury. Environmental Pollution (1987). volum 200.
  Vitenskapelig artikkel
• Heggøy, Oddvar; Christensen-Dalsgaard, Signe; Ranke, Peter Sjolte; Chastel, Olivier; Bech, Claus. (2015) GPS-loggers influence behaviour and physiology in the black-legged kittiwake Rissa tridactyla. Marine Ecology Progress Series. volum 521.
  Vitenskapelig artikkel

2014

• Goutte, Aurélie; Angelier, Frédéric; Bech, Claus; Clement-Chastel, Celine; Dell'omo, Giacomo; Gabrielsen, Geir W.; Lendvai, Adam Z.; Moe, Børge; Noreen, Elin; Pinaud, David; Tartu, Sabrina; Chastel, Olivier. (2014) Annual variation in the timing of breeding, pre-breeding foraging areas and corticosterone levels in an Arctic population of black-legged kittiwakes. Marine Ecology Progress Series. volum 496.
  Vitenskapelig artikkel
• Rønning, Bernt; Moe, Børge; Berntsen, Johan Henrik Hårdensson; Noreen, Elin; Bech, Claus. (2014) Is the rate of metabolic ageing and survival determined by basal metabolic rate in the zebra finch?. PLOS ONE. volum 9 (9).
  Vitenskapelig artikkel
• Schultner, Jannik; Moe, Børge; Chastel, Olivier; Bech, Claus; Kitaysky, Alexander S.. (2014) Migration and stress during reproduction govern telomere dynamics in a seabird. Biology Letters. volum 10 (1).
  Vitenskapelig artikkel
• Schultner, Jannik; Moe, Børge; Chastel, Olivier; Tartu, Sabrina; Bech, Claus; Kitaysky, Alexander S.. (2014) Corticosterone mediates carry-over effects between breeding and migration in the kittiwake Rissa tridactyla. Marine Ecology Progress Series. volum 496.
  Vitenskapelig artikkel
• Tartu, Sabrina; Angelier, Frédéric; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier. (2014) The stress of being contaminated? Adrenocortical function and reproduction in relation to persistent organic pollutants in female black legged kittiwakes. Science of the Total Environment. volum 476-477.
  Vitenskapelig artikkel

2013

• Schultner, Jannik; Kitaysky, Alexander S.; Gabrielsen, Geir W.; Hatch, Scott; Bech, Claus. (2013) Differential reproductive responses to stress reveal the role of life-history strategies within a species. Proceedings of the Royal Society of London. Biological Sciences. volum 280 (1771: 20132090).
  Vitenskapelig artikkel
• Tartu, Sabrina; Goutte, Aurélie; Bustamante, Paco; Angelier, Frédéric; Moe, Børge; Clement-Chastel, Celine; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier. (2013) To breed or not to breed: endocrine response to mercury contamination by an Arctic seabird. Biology Letters. volum 9 (4).
  Vitenskapelig artikkel
• Tingvold, Heidi G; Fyumagwa, Robert D.; Bech, Claus; Baardsen, Lisa F; Rosenlund, Håvard; Røskaft, Eivin. (2013) Determining adrenocortical activity as a measure of stress in African elephants (Loxodonta africana) in relation to human activities in Serengeti ecosystem. African Journal of Ecology. volum 51 (4).
  Vitenskapelig artikkel
• Welcker, Jorg Otto; Chastel, Olivier; Gabrielsen, Geir W.; Guillaumin, Jerome; Kitaysky, Alexander S.; Speakman, John R.; Tremblay, Yann; Bech, Claus. (2013) Thyroid hormones correlate with basal metabolic rate but not field metabolic rate in a wild bird species. PLOS ONE. volum 8 (2).
  Vitenskapelig artikkel

2012

• Nordstad, Tore; Moe, Børge; Bustnes, Jan Ove; Bech, Claus; Chastel, Olivier; Goutte, Aurélie; Sagerup, Kjetil; Trouvé, Colette; Herzke, Dorte; Gabrielsen, Geir W.. (2012) Relationships between POPs and baseline corticosterone levels in black-legged kittiwakes (Rissa tridactyla) across their breeding cycle. Environmental Pollution (1987). volum 164.
  Vitenskapelig artikkel

2011

• Goutte, Aurélie; Clement-Chastel, Celine; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Chastel, Olivier. (2011) Experimentally reduced corticosterone release promotes early breeding in black-legged kittiwakes. Journal of Experimental Biology. volum 214 (12).
  Vitenskapelig artikkel
• Noreen, Elin; Bourgeon, Sophie; Bech, Claus. (2011) Growing old with the immune system : a study of immunosenescence in the zebra finch (Taeniopygia guttata). Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. volum 181 (5).
  Vitenskapelig artikkel

2010

• Bech, Claus. (2010) On estimating basal metabolic rate from body mass: A potential pitfall in predicting post operative survival. American Journal of Hematology. volum 85 (10).
  Leserinnlegg
• Bicudo, J. Eduardo P.W.; Buttemer, William A.; Chappell, Mark A.; Pearson, James T.; Bech, Claus. (2010) Ecological and Environmental Physiology of Birds. Oxford University Press. 2010. ISBN 978-0-19-922844-7.
  Vitenskapelig monografi
• Broggi, Juli; Langset, Magdalene; Rønning, Bernt; Welcker, Jorg; Bech, Claus. (2010) Parent Kittiwakes experience a decrease in cell-mediated immunity as they breed. Journal of Ornithology = Journal fur Ornithologie. volum 151 (3).
  Vitenskapelig artikkel
• Buttemer, William A.; Bech, Claus; Chappell, Mark A.. (2010) Citrate synthase activity does not account for age-related differences in maximum aerobic performance in House Sparrows (Passer domesticus). Australian Zoologist. volum 35 (2).
  Vitenskapelig artikkel
• Goutte, Aurélie; Angelier, Frédéric; Clement-Chastel, Celine; Trouvé, Colette; Moe, Børge; Bech, Claus; Gabrielsen, Geir Wing; Chastel, Olivier. (2010) Stress and the timing of breeding: Glucocorticoid-luteinizing hormones relationships in an arctic seabird. General and Comparative Endocrinology. volum 169 (1).
  Vitenskapelig artikkel
• Goutte, Aurélie; Angelier, Frédéric; Welcker, Jorg; Moe, Børge; Clement-Chastel, Celine; Gabrielsen, Geir Wing; Bech, Claus; Chastel, Olivier. (2010) Long-term survival effect of corticosterone manipulation in Black-legged kittiwakes. General and Comparative Endocrinology. volum 167 (2).
  Vitenskapelig artikkel
• Welcker, Jorg Otto; Moe, Børge; Bech, Claus; Fyhn, Marianne; Schultner, Jannik; Speakman, John R.; Gabrielsen, Geir Wing. (2010) Evidence for an intrinsic energetic ceiling in free-ranging kittiwakes Rissa tridactyla. Journal of Animal Ecology. volum 79 (1).
  Vitenskapelig artikkel