Blar i NTNU Open på forfatter "Letcher, Robert J."
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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 ... -
Influence of perfluoroalkyl acids and other parameters on circulating thyroid hormones and immune-related microRNA expression in free-ranging nestling peregrine falcons
Sun, Jiachen; Letcher, Robert J.; Waugh, Courtney; Jaspers, Veerle; Covaci, Adrian; Fernie, Kim (Peer reviewed; Journal article, 2021)Exposure to certain perfluoroalkyl acids (PFAAs) can have considerable effects on the endocrine and immune systems, although such effects remain largely uncharacterized in wildlife. Using an apex avian predator, we ... -
On the integration of ecological and physiological variables in polar bear toxicology research: a systematic review
Bechshoft, Thea; Derocher, Andrew E.; Viengkone, Michelle; Routti, Heli Anna Irmeli; Aars, Jon; Letcher, Robert J.; Dietz, Rune; Sonne, Christian; Jenssen, Bjørn Munro; Richardson, Evan; Lunn, Nicholas J. (Journal article; Peer reviewed, 2018)Ecotoxicology evolved as a scientific field as awareness of the unintended effects of anthropogenic pollutants in biota increased. Polar bears (Ursus maritimus) are often the focus of Arctic contaminant exposure studies ... -
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) ... -
Steroids hormones and persistent organic pollutants in plasma from North-eastern Atlantic pilot whales
Hoydal, Katrin Sunniva; Styrishave, Bjarne; Ciesielski, Tomasz Maciej; Letcher, Robert J.; Dam, Maria; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2017)Persistent organic pollutants (POPs) are known to have endocrine disruptive effects, interfering with endogenous steroid hormones. The present study examined nine steroid hormones and their relationships with the concentrations ... -
Testosterone and persistent organic pollutants in East Greenland male polar bears (Ursus maritimus)
Ciesielski, Tomasz Maciej; Sonne, Christian; Smette, Eli I.; Villanger, Gro Dehli; Styrishave, Bjarne; Letcher, Robert J.; Hitchcock, Daniel James; Dietz, Rune; Jenssen, Bjørn Munro (Peer reviewed; Journal article, 2023)Legacy persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs) are chemicals that undergo long-range transport to the Arctic. These chemicals possess endocrine disruptive properties raising concerns ...