Browsing NINA Brage by Author "Danielsen, Jóhannis"
Now showing items 1-6 of 6
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Do foraging ecology and contaminants interactively predict parenting hormone levels in common eider?
Smith, Reyd A.; Fort, Jérôme; Legagneux, Pierre; Chastel, Olivier; Mallory, Mark L.; Bustamante, Paco; Danielsen, Jóhannis; Hanssen, Sveinn Are; Einar Jónsson, Jón; Magnúsdóttir, Ellen; Moe, Børge; Parenteau, Charline; Parkinson, Kyle J.L.; Parsons, Glen J.; Tertitski, Grigori; Love, Oliver P. (Peer reviewed; Journal article, 2023)Global climate change is causing abiotic shifts such as higher air and ocean temperatures, and disappearing sea ice in Arctic ecosystems. These changes influence Arctic-breeding seabird foraging ecology by altering prey ... -
High pathogenicity avian influenza (H5N1) in Northern Gannets (Morus bassanus): Global spread, clinical signs and demographic consequences
Lane, Jude V.; Jeglinski, Jana W.E.; Avery-Gomm, Stephanie; Ballstaedt, Elmar; Banyard, Ashley C.; Barychka, Tatsiana; Brown, Ian H.; Brugger, Brigitte; Burt, Tori V.; Careen, Noah; Castenschiold, Johan H.F.; Christensen-Dalsgaard, Signe; Clifford, Shannon; Collins, Sydney M.; Cunningham, Emma; Danielsen, Jóhannis; Daunt, Francis; D'entremont, Kyle J.N.; Doiron, Parker; Duffy, Steven; English, Matthew D.; Falchieri, Marco; Giacinti, Jolene; Gjerset, Britt; Granstad, Silje; Grémillet, David; Guillemette, Magella; Hallgrímsson, Gunnar T.; Hamer, Keith C.; Hammer, Sjúrður; Harrison, Katherine; Hart, Justin D.; Hatsell, Ciaran; Humpidge, Richard; James, Joe; Jenkinson, Audrey; Jessopp, Mark; Jones, Megan E.B.; Lair, Stéphane; Lewis, Thomas; Malinowska, Alexandra A.; McCluskie, Aly; McPhail, Gretchen; Moe, Børge; Montevecchi, William A.; Morgan, Greg; Nichol, Caroline; Nisbet, Craig; Olsen, Bergur; Provencher, Jennifer; Provost, Pascal; Purdie, Alex; Rail, Jean-François; Robertson, Greg; Seyer, Yannick; Sheddan, Maggie; Soos, Catherine; Stephens, Nia; Strøm, Hallvard; Svansson, Vilhjálmur; Tierney, T. David; Tyler, Glen; Wade, Tom; Wanless, Sarah; Ward, Christopher R.E.; Wilhelm, Sabina I.; Wischnewski, Saskia; Wright, Lucy J.; Zonfrillo, Bernie; Matthiopoulos, Jason; Votier, Stephen C. (Peer reviewed; Journal article, 2023)During 2021 and 2022 High Pathogenicity Avian Influenza (HPAI) killed thousands of wild birds across Europe and North America, suggesting a change in infection dynamics and a shift to new hosts, including seabirds. Northern ... -
Light-level geolocators reveal spatial variations in interactions between northern fulmars and fisheries
Dupuis, Benjamin; Amélineau, Françoise; Tarroux, Arnaud; Bjørnstad, Oskar; Bråthen, Vegard Sandøy; Danielsen, Jóhannis; Descamps, Sebastien; Fauchald, Per; Hallgrimsson, Gunnar Thor; Hansen, Erpur Snær; Helberg, Morten; Helgason, Halfdan Helgi; Jónsson, Jón Einar; Kolbeinsson, Yann; Lorentzen, Erlend; Thompson, Paul; Thórarinsson, Thorkell Lindberg; Strøm, Hallvard (Peer reviewed; Journal article, 2021)Seabird−fishery interactions are a common phenomenon of conservation concern. Here, we highlight how light-level geolocators provide promising opportunities to study these interactions. By examining raw light data, it ... -
North Atlantic winter cyclones starve seabirds
Clairbaux, Manon; Mathewson, Paul; Porter, Warren; Fort, Jérôme; Strøm, Hallvard; Moe, Børge; Fauchald, Per; Descamps, Sebastien; Helgason, Halfdan Helgi; Bråthen, Vegard Sandøy; Merkel, Benjamin; Anker-Nilssen, Tycho; Bringsvor, Ingar Støyle; Chastel, Olivier; Christensen-Dalsgaard, Signe; Danielsen, Jóhannis; Daunt, Francis; Dehnhard, Nina; Erikstad, Kjell E.; Ezhov, Alexey V.; Gavrilo, Maria; Krasnov, Yuri V.; Langset, Magdalene; Lorentsen, Svein-Håkon; Newell, Mark; Olsen, Bergur; Reiertsen, Tone Kristin; Systad, Geir Helge Rødli; Thórarinsson, Thorkell L; Baran, Mark; Diamond, Tony; Fayet, Annette L.; Fitzsimmons, Michelle G.; Frederiksen, Morten; Gilchrist, Hugh G.; Guilford, Tim; Huffeldt, Nicholas P.; Jessopp, Mark; Johansen, Kasper L.; Kouwenberg, Amy-Lee; Linnebjerg, Jannie F.; Major, Heather L.; Tranquilla, Laura McFarlane; Mallory, Mark; Merkel, Flemming R.; Montevecchi, William A.; Mosbech, Anders; Petersen, Aevar; Grémillet, David (Peer reviewed; Journal article, 2021)Each winter, the North Atlantic Ocean is the stage for numerous cyclones, the most severe ones leading to seabird mass-mortality events called ‘‘winter wrecks.’’ During these, thousands of emaciated seabird carcasses are ... -
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 ... -
Seasonal variation of mercury contamination in Arctic seabirds: A pan-Arctic assessment
Albert, Céline; Helgason, Halfdan Helgi; Brault-Favrou, Maud; Robertson, Gregory J.; Descamps, Sebastien; Amélineau, Françoise; Danielsen, Jóhannis; Dietz, Rune; Elliott, Kyle; Erikstad, Kjell E.; Eulaers, Igor; Ezhov, Alexey V.; Fitzsimmo, Michelle G.; Gavrilo, Maria; Golubova, Elena; Grémillet, David; Hatch, Scott; Huffeldt, Nicholas P.; Jakubas, Dariusz; Kitaysky, Alexander S.; Kolbeinsson, Yann; Krasnov, Yuri V.; Lorentsen, Svein Håkon; Lorentzen, Erlend; Mallory, Mark L.; Merkel, Benjamin; Merkel, Flemming Ravn; Montevecchi, William A.; Mosbech, Anders; Olsen, Bergur; Orben, Rachael A.; Patterson, Allison; Provencher, Jennifer; Plumejeaud, Christine; Pratte, Isabeau; Reiertsen, Tone Kristin; Renner, Heather M.; Rojek, Nora; Romano, Marco; Strøm, Hallvard; Systad, Geir Helge Rødli; Takahashi, Akinori; Thiebot, Jean-Baptiste; Thórarinsson, Thorkell Lindberg; Will, Alexis P.; Wojczulanis-Jakubas, Katarzyna; Bustamante, Paco; Fort, Jérôme (Peer reviewed; Journal article, 2020)Mercury (Hg) is a natural trace element found in high concentrations in top predators, including Arctic seabirds. Most current knowledge about Hg concentrations in Arctic seabirds relates to exposure during the summer ...