Browsing NTNU Open by Author "Eulaers, Igor"

Now showing items 1-20 of 24

    • A veterinary perspective on One Health in the Arctic 

      Sonne, Christian; Letcher, Robert James; Jenssen, Bjørn Munro; Desforges, Jean-Pierre; Eulaers, Igor; Andersen-Ranberg, Emilie; Gustavson, Kim; Styrishave, Bjarne; Dietz, Rune (Journal article; Peer reviewed, 2017)
      Exposure to long-range transported industrial chemicals, climate change and diseases is posing a risk to the overall health and populations of Arctic wildlife. Since local communities are relying on the same marine food ...

    • 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 ...

    • Antiparasite treatments reduce humoral immunity and impact oxidative status in raptor nestlings 

      Hanssen, Sveinn Are; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Johnsen, Trond Vidar; Ballesteros, Manuel; Sonne, Christian; Herzke, Dorte; Eulaers, Igor; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Moum, Truls Borg; Ims, Rolf Anker; Erikstad, Kjell E (Journal article; Peer reviewed, 2013)
      Parasites are natural stressors that may have multiple negative effects on their host as they usurp energy and nutrients and may lead to costly immune responses that may cause oxidative stress. At early stages, animals ...

    • Bird feathers as a biomonitor for environmental pollutants: Prospects and pitfalls 

      Jaspers, Veerle; Covaci, Adrian; Herzke, Dorte; Eulaers, Igor; Eens, Marcel (Journal article; Peer reviewed, 2019)
      Due to increasing amounts of hazardous chemicals released into the environment, there is a high demand for developing easy and non-destructive biomonitoring tools. In a recent paper published in Trends in Analytical ...

    • Current state of knowledge on biological effects from contaminants on arctic wildlife and fish 

      Dietz, Rune; Letcher, Robert J.; Desforges, Jean-Pierre; Eulaers, Igor; Sonne, Christian; Wilson, Simon; Andersen-Ranberg, Emilie; Basu, Niladri; Barst, Benjamin D.; Bustnes, Jan Ove; Bytingsvik, Jenny; Ciesielski, Tomasz Maciej; Drevnick, Paul E.; Gabrielsen, Geir W.; Haarr, Ane; Hylland, Ketil; Jenssen, Bjørn Munro; Levin, Milton; McKinney, Melissa A.; Nørregaard, Rasmus Dyrmose; Pedersen, Kathrine E.; Provencher, Jennifer; Styrishave, Bjarne; Tartu, Sabrina; Aars, Jon; Ackerman, Joshua T.; Rosing-Asvid, Aqqalu; Barrett, Rob; Bignert, Anders; Born, Erik W; Branigan, Marsha; Braune, Birgit; Bryan, Colleen E; Dam, Maria; Eagles-Smith, Collin A.; Evans, Marlene; Evans, Thomas J.; Fisk, Aaron T.; Gamberg, Mary; Gustavson, Kim; Hartman, C. Alex; Helander, Björn; Herzog, Mark P.; Hoekstra, Paul F.; Houde, Magali; Hoydal, Katrin; Jackson, Allyson K.; Kucklick, John; Lie, Elisabeth; Loseto, Lisa; Mallory, Mark L.; Miljeteig, Cecilie; Mosbech, Anders; Muir, Derek C.G.; Nielsen, Sanna Túni; Peacock, Elizabeth; Pedro, Sara; Peterson, Sarah H.; Polder, Anuschka; Rigét, Frank F.; Roach, Pat; Saunes, Halvor; Sinding, Mikkel Holger Strander; Skåre, Janneche Utne; Søndergaard, Jens; Stenson, Garry; Stern, Gary; Treu, Gabriele; Schuur, Stacy S.; Víkingsson, Gísli Arnór (Journal article; Peer reviewed, 2019)
      Since the last Arctic Monitoring and Assessment Programme (AMAP) effort to review biological effects of the exposure to organohalogen compounds (OHCs) in Arctic biota, there has been a considerable number of new Arctic ...

    • Feathers as an integrated measure of organohalogen contamination, dietary tracers and stress in Goshawk (Accipiter gentilis) nestlings from Trøndelag, Norway 

      Randulff, Sina Thu (Master thesis, 2015)
      Because of their high sensitivity and wide distribution, predatory birds have proven useful as sentinel species for monitoring exposure of organohalogen contaminants (OHCs). Nestling feathers have been evaluated as valid ...

    • Feathers as an integrated measure of organohalogen contamination, its dietary sources and corticosterone in nestlings of a terrestrial bird of prey, the northern Goshawk (Accipiter gentilis) 

      Randulff, Sina Thu; Abbasi, Naeem A.; Eulaers, Igor; Nygård, Torgeir; Covaci, Adrian; Eens, Marcel; Malarvannan, Govindan; Lepoint, Gilles; Løseth, Mari Engvig; Jaspers, Veerle (Peer reviewed; Journal article, 2022)
      In this study, we evaluated the suitability of body feathers, preen oil and plasma for estimation of organohalogen compound (OHC) exposure in northern goshawk Accipiter gentilis nestlings (n = 37; 14 nests). In addition, ...

    • Hair mineral levels as indicator of wildlife demographics?—a pilot study of muskoxen 

      Mosbacher, Jesper Bruun; Desforges, Jean-Pierre; Michelsen, Anders; Hansson, Sophia V.; Stelvig, Mikkel; Eulaers, Igor; Sonne, Christian; Dietz, Rune; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Lierhagen, Syverin; Flaten, Trond Peder; Le Roux, Gael; Aggerbeck, Marie R.; Schmidt, Niels Martin (Peer reviewed; Journal article, 2022)
      The tight linkage between mineral status and health and demographics in animals is well documented. Mineral deficiencies have been coupled to population declines in wildlife. Current practices typically rely on liver, ...

    • 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, 2024)
      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 ...

    • Japanese quail (Coturnix japonica) liver and thyroid gland histopathology as a result of in ovo exposure to the flame retardants tris(1,3-dichloro-2-propyl) phosphate and Dechlorane Plus 

      Jacobsen, Mona L; Jaspers, Veerle; Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Løseth, Mari Engvig; Briels, Nathalie; Eulaers, Igor; Leifsson, Pall S; Riget, Frank F; Gomez-Ramirez, Pilar; Sonne, Christian (Journal article; Peer reviewed, 2017)
      Japanese quails (Coturnix japonica) were exposed in ovo to tris(1,3-dichloro-2-propyl) phosphate (TDCIPP; 500 ng/µl), Dechlorane Plus (DP; 500 ng/µl), or a 1:1 mixture of these two to investigate the effects on liver and ...

    • Legacy and emerging organohalogenated compounds in feathers of Eurasian eagle-owls (Bubo bubo) in Norway: Spatiotemporal variations and associations with dietary proxies (δ13C and δ15N) 

      Monclús, Laura; Løseth, Mari Engvig; Dahlberg Persson, Marie Johanne; Eulaers, Igor; Kleven, Oddmund; Covaci, Adrian; Benskin, Jonathan P.; Awad, Raed; Zubrod, Jochen P.; Schulz, Ralf; Wabakken, Petter; Heggøy, Oddvar; Øien, Ingar Jostein; Steinsvåg, Magnus Johan; Jaspers, Veerle; Nygård, Torgeir (Peer reviewed; Journal article, 2021)
      The occurrence of organohalogenated compounds (OHCs) in wildlife has received considerable attention over the last decades. Among the matrices used for OHCs biomonitoring, feathers are particularly useful as they can be ...

    • Mercury Exposure in Birds of Prey from Norway: Relation to Stable Carbon and Nitrogen Isotope Signatures in Body Feathers 

      Gómez-Ramírez, Pilar; Bustnes, Jan Ove; Eulaers, Igor; Johnsen, Trond Vidar; Lepoint, Giles; Pérez-García, Juan Manuel; García-Fernández, Antonio Juan; Espín, Silvia; Jaspers, Veerle Leontina B (Peer reviewed; Journal article, 2023)
      Mercury (Hg) and stable carbon and nitrogen isotope ratios were analysed in body feathers from nestlings of white-tailed eagles (Haliaeetus albicilla) (WTE; n=13) and Northern goshawks (Accipiter gentilis) (NG; n=8) and ...

    • Plasma concentrations of organohalogenated contaminants in white-tailed eagle nestlings – The role of age and diet 

      Løseth, Mari Engvig; Briels, Nathalie; Eulaers, Igor; Nygård, Torgeir; Malarvannan, Govindan; Poma, Giulia; Covaci, Adrian; Herzke, Dorte; Bustnes, Jan Ove; Lepoint, Gilles; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      Concentrations of organohalogenated contaminants (OHCs) can show significant temporal and spatial variation in the environment and wildlife. Most of the variation is due to changes in use and production, but environmental ...

    • Prevalence of antibodies against Brucella spp. in West Greenland polar bears (Ursus maritimus) and East Greenland muskoxen (Ovibos moschatus) 

      Sonne, Christian; Andersen-Ranberg, Emilie; Rajala, Elisabeth; Agerholm, Jørgen S.; Bonefeld-Jørgensen, Eva; Desforges, Jean-Pierre; Eulaers, Igor; Gustavson, Kim; Jenssen, Bjørn Munro; Koch, Anders; Rosing-Asvid, Aqqalu; Schmidt, Nils Martin; Grøndahl, Carsten; Mosbacher, Jesper Bruun; Siebert, Ursula; Tryland, Morten; Mulvad, Gert; Born, Erik W; Laidre, Kristin; Wiig, Øystein; Dietz, Rune; Magnusson, Ulf (Journal article; Peer reviewed, 2018)
      Zoonotic infections transmitted from terrestrial and marine mammals to humans in European Arctic are of unknown significance, despite considerable potential for transmission due to local hunt and a rapidly changing ...

    • 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 consequently ...

    • 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 ...

    • A risk assessment review of mercury exposure in Arctic marine and terrestrial mammals 

      Dietz, Rune; Letcher, Robert J.; Aars, Jon; Andersen, Magnus; Boltunov, Andrei; Born, Erik W.; Ciesielski, Tomasz Maciej; Das, Krishna; Dastnai, Sam; Derocher, Andrew E.; Desforges, Jean-Pierre; Eulaers, Igor; Ferguson, Steve; Hallanger, Ingeborg G.; Heide-Jørgensen, Mads P.; Heimbürger-Boavida, Lars-Eric; Hoekstra, Paul F.; Jenssen, Bjørn Munro; Kohler, Stephen Gustav; Larsen, Martin M.; Lindstrøm, Ulf Ove; Lippold, Anna; Morris, Adam; Nabe-Nielsen, Jacob; Nielsen, Nynne H.; Peacock, Elizabeth E.; Pinzone, Marianna; Rigét, Frank F.; Rosing-Asvid, Aqqalu; Routti, Heli Anna Irmeli; Siebert, Ursula; Stenson, Garry; Stern, Gary; Strand, Jakob; Søndergaard, Jens; Treu, Gabriele; Víkingsson, Gisli A.; Wang, Feiyue; Welker, Jeffrey M.; Wiig, Øystein; Wilson, Simon J.; Sonne, Christian (Peer reviewed; Journal article, 2022)
      There has been a considerable number of reports on Hg concentrations in Arctic mammals since the last Arctic Monitoring and Assessment Programme (AMAP) effort to review biological effects of the exposure to mercury (Hg) ...

    • The role of natural science collections in the biomonitoring of environmental contaminants in apex predators in support of the EU’s zero pollution ambition 

      Movalli, Paola; Koschorreck, Jan; Treu, Gabriele; Slobodnik, Jaroslav; Alygizakis, Nikiforos; Androulakakis, Andreas; Badry, Alexander; Baltag, Emanuel; Barbagli, Fausto; Bauer, Kevin; Biesmeijer, Koos; Borgo, Enrico; Cincinelli, Alessandra; Claßen, Daniela; Danielsson, Sara; Dekker, René; Dietz, Rune; Eens, Marcel; Espín, Silvia; Eulaers, Igor; Frahnert, Sylke; Fuiz, Tibor I.; García-Fernández, Antonio J.; Fuchs, Jérôme; Gkotsis, Georgios; Glowacka, Natalia; Gómez Ramírez, Pilar; Grotti, Marco; Hosner, Peter A:; Johansson, Ulf; Jaspers, Veerle Leontina B; Koureas, Dimitris; Krone, Oliver; Kubin, Eero; Lefevre, Christine; Leivits, Madis; Brutto, Sabrina Lo; Lopes, Ricardo Jorge; Lourenço, Rui; Lymberakis, Petros; Madslien, Knut; Martellini, Tania; Mateo, Rafael; Nika, Maria-Christina; Osborn, Dan; Oswald, Peter; Pauwels, Olivier; Pereira, MGlória; Pezzo, Francesco; Sánchez-Virosta, Pablo (Peer reviewed; Journal article, 2022)
      The chemical industry is the leading sector in the EU in terms of added value. However, contaminants pose a major threat and significant costs to the environment and human health. While EU legislation and international ...

    • A schematic sampling protocol for contaminant monitoring in raptors 

      Espín, Silvia; Andevski, Jovan; Duke, Guy; Eulaers, Igor; Gomez-Ramirez, Pilar; Hallgrimsson, Gunnar Thor; Helander, Björn; Herzke, Dorte; Jaspers, Veerle; Krone, Oliver; Lourenco, Rui; Maria-Mojica, Pedro; Martínez-López, Emma; Mateo, Rafael; Movalli, Paola; Sanchez-Virosta, Pablo; Shore, Richard F.; Sonne, Christian; van den Brink, Nico W.; van Hattum, B.; Vrezec, Al; Wernham, Chris; García-Fernández, Antonio J. (Peer reviewed; Journal article, 2020)
      Birds of prey, owls and falcons are widely used as sentinel species in raptor biomonitoring programmes. A major current challenge is to facilitate large-scale biomonitoring by coordinating contaminant monitoring activities ...

    • Seroprevalence for Brucella spp. in Baltic ringed seals (Phoca hispida) and T East Greenland harp (Pagophilus groenlandicus) and hooded (Cystophora cristata) seals 

      Sonne, Christian; Andersen-Ranberg, Emilie; Rajala, Elisabeth; Agerholm, Jørgen S.; Bonefeld-Jørgensen, Eva; Desforges, Jean-Pierre; Eulaers, Igor; Jenssen, Bjørn Munro; Koch, Anders; Rosings-Asvid, Aqqualu; Siebert, Ursula; Tryland, Morten; Mulvad, Gert; Härkönen, Tero; Acquarone, Mario; Nordøy, Erling Sverre; Dietz, Rune; Magnusson, Ulf (Journal article; Peer reviewed, 2018)
      Zoonotic infections transmitted from marine mammals to humans in the Baltic and European Arctic are of unknown significance, despite given considerable potential for transmission due to local hunt. Here we present results ...