• Activity patterns of wintering Great Skuas Stercorarius skua 

      Magnusdottir, Ellen; Leat, Eliza H. K.; Bourgeon, Sophie; Jónsson, Jón E.; Phillips, Richard A.; Strøm, Hallvard; Petersen, Aevar; Hanssen, Sveinn Are; Bustnes, Jan Ove; Furness, Robert W. (Peer reviewed; Journal article, 2014)
      Capsule Great Skuas Stercorarius skua wintering in different areas spent different amounts of time in flight (foraging or searching for food) and so may be experiencing different feeding conditions. Aims To compare the ...
    • Age-Related Mercury Contamination and Relationshipwith Luteinizing Hormone in a Long-Lived Antarctic Bird 

      Tartu, Sabrina; Bustamante, Paco; Goutte, Aurélie; Weimerskirch, Henri; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2014)
      Seabirds, as long-lived top predators, accumulate contaminants such as mercury (Hg), an established endocrine disruptor. In long lived species hormonal secretion varies with age; therefore, Hg-induced endocrine disruption ...
    • Anti-parasite treatment and blood biochemistry in raptor nestlings 

      Hanssen, Sveinn Are; Sonne, Christian; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Ballesteros, Manuel; Eulaers, Igor; Moum, Truls Borg; Johnsen, Trond Vidar; Kjelgaard-Hansen, Mads; Herzke, Dorte; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Erikstad, Kjell Einar; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      We investigated the effects of parasite removal on various blood clinical–chemical variables (BCCVs). BCCVs are indicators of health, reflecting, e.g., homeostasis of liver, kidney function, and bone metabolism. The study ...
    • Corticosterone, prolactin and egg neglect behavior in relation to mercury and legacy POPs in a long-lived Antarctic bird 

      Tartu, S.; Angelier, F.; Wingfield, J.C.; Bustamante, P.; Labadie, P.; Budzinski, H.; Weimerskirch, H.; Bustnes, Jan Ove; Chastel, O. (Journal article; Peer reviewed, 2015)
      Seabirds often have high loads of contaminants. These contaminants have endocrine disrupting properties but their relationships with some endocrine mechanisms are still poorly investigated in free-living organisms. This ...
    • DNA double-strand breaks in relation to persistent organic pollutants in a fasting seabird 

      Fenstad, Anette; Jenssen, Bjørn Munro; Moe, Børge; Hanssen, Sveinn Are; Bingham, Christopher George; Herzke, Dorte; Bustnes, Jan Ove; Krøkje, Åse (Journal article; Peer reviewed, 2014)
      Lipophilic persistent organic pollutants (POPs) are released from fat reserves during fasting, causing increased blood concentrations. Thus, POPs represent a potential anthropogenic stressor during fasting periods. We ...
    • Endocrine and Fitness Correlates of Long-Chain Perfluorinated Carboxylates Exposure in Arctic Breeding Black-Legged Kittiwakes 

      Tartu, Sabrina; Gabrielsen, Geir W.; Blévin, Pierre; Ellis, Hugh; Bustnes, Jan Ove; Herzke, Dorte; Chastel, Olivier (Journal article; Peer reviewed, 2014)
      Increasing levels of poly- and perfluorinated alkyl substances (PFASs) have recently been described in Arctic biota. These emerging substances are of concern given their resistance to degradation and metabolization. Some ...
    • Exposure to oxychlordane is associated with shorter telomeres in arctic breeding kittiwakes 

      Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Ruault, Stéphanie; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2016)
    • Feather Corticosterone Levels on Wintering GroundsHave No Carry-Over Effects on Breeding among ThreePopulations of Great Skuas (Stercorarius skua) 

      Bourgeon, Sophie; Leat, Eliza H. K.; Magnusdottir, Ellen; Furness, Robert W.; Strøm, Hallvard; Petersen, Aevar; Gabrielsen, Geir W.; Hanssen, Sveinn Are; Bustnes, Jan Ove (Peer reviewed; Journal article, 2014)
      Environmental conditions encountered by migratory seabirds in their wintering areas can shape their fitness. However, the underlying physiological mechanisms remain largely unknown as birds are relatively inaccessible ...
    • Impacts of a warming climate on concentrations of organochlorines in a fasting high arctic marine bird: Direct vs. indirect effects? 

      Bustnes, Jan Ove; Bårdsen, Bård-Jørgen; Moe, Børge; Herzke, Dorte; Ballesteros, Manuel; Fenstad, Anette; Borgå, Katrine; Krogseth, Ingjerd Sunde; Eulaers, Igor; Skogeng, Lovise Pedersen; Gabrielsen, Geir Wing; Hanssen, Sveinn Are (Peer reviewed; Journal article, 2023)
      The present study examined how climate changes may impact the concentrations of lipophilic organochlorines (OCs) in the blood of fasting High Arctic common eiders (Somateria mollissima) during incubation. Polychlorinated ...
    • Integument colouration in relation to persistent organic pollutants and body condition in arctic breeding black-legged kittiwakes (Rissa tridactyla) 

      Blévin, Pierre; Tartu, Sabrina; Angelier, Frédéric; Leclaire, Sarah; Bustnes, Jan Ove; Moe, Børge; Herzke, Dorte; Gabrielsen, Geir W.; Chastel, Olivier (Journal article; Peer reviewed, 2014)
      Vertebrates cannot synthetize carotenoids de novo but have to acquire themthrough their diet. In birds, carotenoids are responsible for the yellow to red colouration of many secondary sexual traits. They are also involved ...
    • Mercury exposure, stress and prolactin secretion in an Arctic seabird: an experimental study 

      Tartu, Sabrina; Bustamante, Paco; Angelier, Frédéric; Lendvai, Adam Z.; Moe, Børge; Blévin, Pierre; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2016)
      Life-history theory predicts that long-lived organisms should reduce parental effort under inclement environmental conditions in order to favour long-term survival. Seabirds are long-lived top predators often exposed to ...
    • Multiple Stressors in a Top Predator Seabird:Potential Ecological Consequences ofEnvironmental Contaminants, PopulationHealth and Breeding Conditions 

      Bustnes, Jan Ove; Bourgeon, Sophie; Leat, Eliza H. K.; Magnusdottir, Ellen; Strøm, Hallvard; Hanssen, Sveinn Are; Petersen, Aevar; Gabrielsen, Geir W.; Furness, Robert W. (Peer reviewed; Journal article, 2015)
      Environmental contaminants may have impacts on reproduction and survival in wildlife populations suffering from multiple stressors. This study examined whether adverse effects of persistent organic pollutants (POPs) ...
    • Multiple stressors: modeling the effect of pollution, climate, and predation on viability of a sub-arctic marine bird 

      Bårdsen, Bård-Jørgen; Hanssen, Sveinn Are; Bustnes, Jan Ove (Journal article; Peer reviewed, 2018)
      Negative effects of long-transported pollutants, such as many persistent organic pollutants (POPs), on seabirds and other top predators have been documented for decades. Yet, the concentrations, and hence, the negative ...
    • Multiple stressors: negative effects of nest predation on the viability of a threatened gull in different environmental conditions 

      Bårdsen, Bård-Jørgen; Bustnes, Jan Ove (Peer reviewed; Journal article, 2022)
      The majority of the world's seabirds show substantial population declines, but a detailed understanding of the phenomenon is lacking. A potentially important mechanism that has received momentum lately is nest predation. ...
    • Organochlorines, perfluoroalkyl substances, mercury, and egg incubation temperature in an Arctic seabird: Insights from data loggers 

      Blévin, Pierre; Schaffer, Scott A.; Bustamante, Paco; Angelier, Frédéric; Picard, Baptiste; Herzke, Dorte; Moe, Børge; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Chastel, Olivier (Journal article, 2018)
      In birds, incubation‐related behaviors and brood patch formation are influenced by hormonal regulation such as prolactin secretion. Brood patch provides efficient heat transfer between the incubating parent and the developing ...
    • An overview of existing raptor contaminant monitoring activitiesin Europe 

      Gómez-Ramírez, P.; Shore, R.F.; van den Brink, N.W.; van Hattum, B.; Bustnes, Jan Ove; Duke, G.; Fritsch, C.; García-Fernández, A.J.; Helander, B.O.; Jaspers, Veerle; Krone, O.; Martínez-López, E.; Mateo, R.; Sonne, C. (Peer reviewed; Journal article, 2014)
      Biomonitoring using raptors as sentinels can provide early warning of the potential impacts of contaminants on humans and the environment and also a means of tracking the success of associated mitigation measures. ...
    • Perfluorinated substances and telomeres in an Arctic seabird: Cross-sectional and longitudinal approaches 

      Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2017)
      Telomeres are non-coding DNA repeats located at the termini of eukaryotic chromosomes, regulated by dynamic processes balancing shortening and maintenance. Despite a mechanism to slow-down telomere shortening, cell division ...
    • Polychlorinated biphenyl exposure and corticosterone levels in seven polar seabird species 

      Tartu, S.; Angelier, F.; Bustnes, Jan Ove; Moe, Børge; Hanssen, Sveinn Are; Herzke, Dorte; Gabrielsen, Geir W.; Verboven, N.; Verreault, J.; Labadie, P.; Budzinski, H.; Wingfield, J.C.; Chastel, O. (Journal article; Peer reviewed, 2015)
      The role of polychlorinated biphenyls (PCBs) on exposure-related endocrine effects has been poorly investigated in wild birds. This is the case for stress hormones including corticosterone (CORT). Some studies have suggested ...
    • A retrospective investigation of feather corticosterone in a highly contaminated white-tailed eagle (Haliaeetus albicilla) population 

      Hansen, Elisabeth; Sun, Jiachen; Björn, Helander; Bustnes, Jan Ove; Eulaers, Igor; Jaspers, Veerle Leontina B; Covaci, Adrian; Eens, Marcel; Bourgeon, Sophie (Peer reviewed; Journal article, 2023)
      Exposure to persistent organic pollutants (POPs), such as organochlorines (OCs) and polybrominated diphenyl ethers (PBDEs), is associated with adverse health effects in wildlife. Many POPs have been banned and conse ...
    • A risk assessment of the effects of mercury on Baltic Sea, Greater North Sea and North Atlantic wildlife, fish and bivalves 

      Dietz, Rune; Fort, Jérôme; Sonne, Christian; Albert, Céline; Bustnes, Jan Ove; Christensen, Thomas Kjær; Ciesielski, Tomasz Maciej; Danielsen, Jóhannis; Dastnai, Sam; Eens, Marcel; Erikstad, Kjell E; Galatius, Anders; Garbus, Svend-Erik; Gilg, Oliver; Hanssen, Sveinn Are; Helander, Björn; Helberg, Morten; Jaspers, Veerle; Jenssen, Bjørn Munro; Jónsson, Jón Einar; Kauhala, Kaarina; Kolbeinsson, Yann; Kyhn, Line A.; Labansen, Aili Lage; Larsen, Martin M.; Lindstrøm, Ulf; Reiertsen, Tone Kristin; Rigét, Frank F.; Roos, Anna; Strand, Jakob; Strøm, Hallvard; Søndergaard, Jens; Sun, Jiachen; Teilmann, Jonas; Therkildsen, Ole Roland; Thórarinsson, Thorkell Lindberg; Tjørnløv, Rune Skjold; Wilson, Simon; Eulaers, Igor (Peer reviewed; Journal article, 2020)
      A wide range of species, including marine mammals, seabirds, birds of prey, fish and bivalves, were investigated for potential population health risks resulting from contemporary (post 2000) mercury (Hg) exposure, using ...