• A probabilistic algorithm to process geolocation data 

      Merkel, Benjamin; Phillips, Richard A.; Descamps, Sébastien; Yoccoz, Nigel Gilles; Moe, Børge; Strøm, Hallvard (Journal article; Peer reviewed, 2016)
      Background: The use of light level loggers (geolocators) to understand movements and distributions in terrestrial and marine vertebrates, particularly during the non-breeding period, has increased dramatically in recent ...
    • 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 ...
    • Bestandsanslag av hekkende og mytende fugl i Bellsundområdet 

      Hanssen, Sveinn Are; Strøm, Hallvard; Descamps, Sebastian; Moe, Børge (NINA rapport;1020, Research report, 2014)
      Ved oppstart av gruvedrift i Lunckefjell ble det i tillatelsen fra Miljøverndepartementet stilt visse vilkår til Store Norske Spitsbergen Grubekompani (SNSG). I disse vilkårene inngikk blant annet et bestandsanslag av (1) ...
    • Contrasting Spatial and Seasonal Trends of Methylmercury Exposure Pathways of Arctic Seabirds: Combination of Large-Scale Tracking and Stable Isotopic Approaches 

      Renedo, Marina; Amouroux, David; Albert, Céline; Bérail, Sylvain; Bråthen, Vegard Sandøy; Gavrilo, Maria; Grémillet, David; Helgason, Hálfdán H.; Jakubas, Dariusz; Mosbech, Anders; Strøm, Hallvard; Tessier, Emmanuel; Wojczulanis-Jakubas, Katarzyna; Bustamante, Paco; Fort, Jérôme (Peer reviewed; Journal article, 2020)
      Despite the limited direct anthropogenic mercury (Hg) inputs in the circumpolar Arctic, elevated concentrations of methylmercury (MeHg) are accumulated in Arctic marine biota. However, the MeHg production and bioaccumulation ...
    • 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 ...
    • Global assessment of marine plastic exposure risk for oceanic birds 

      Clark, Bethany L.; Carneiro, Ana P. B.; Pearmain, Elizabeth J.; Rouyer, Marie-Morgane; Clay, Thomas A.; Cowger, Win; Phillips, Richard A.; Manica, Andrea; Hazin, Carolina; Eriksen, Marcus; González-Solís, Jacob; Adams, Josh; Albores-Barajas, Yuri V.; Alfaro-Shigueto, Joanna; Alho, Maria Saldanha; Araujo, Deusa Teixeira; Arcos, José Manuel; Arnould, John P. Y.; Barbosa, Nadito J. P.; Barbraud, Christophe; Beard, Annalea M.; Beck, Jessie; Bell, Elizabeth A.; Bennet, Della G.; Berlincourt, Maud; Biscoito, Manuel; Bjørnstad, Oskar K.; Bolton, Mark; Jones, Katherine A. Booth; Borg, John J.; Bourgeois, Karen; Bretagnolle, Vincent; Bried, Joël; Briskie, James V.; de L. Brook, M.; Brownlie, Katherine C.; Bugoni, Leandro; Calabrese, Licia; Campioni, Letizia; Carey, Mark J.; Carle, Ryan D.; Carlile, Nicholas; Carreiro, Ana R.; Catry, Paulo; Catry, Teresa; Cecere, Jacopo G.; Ceia, Filipe R.; Cherel, Yves; Choi, Chang-Yong; Cianchetti-Benedetti, Marco; Clarke, Rohan H.; Fayet, Annette; Dehnhard, Nina; Descamps, Sebastien; Helberg, Morten; Strøm, Hallvard (Peer reviewed; Journal article, 2023)
      Plastic pollution is distributed patchily around the world’s oceans. Likewise, marine organisms that are vulnerable to plastic ingestion or entanglement have uneven distributions. Understanding where wildlife encounters ...
    • 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 ...
    • Hybridization of Atlantic puffins in the Arctic coincides with 20th-century climate change 

      Kersten, Oliver Sven; Star, Bastiaan; Krabberød, Anders Kristian; Atmore, Lane; Tørresen, Ole K.; Anker-Nilssen, Tycho; Descamps, Sebastien; Strøm, Hallvard; Johansson, Ulf S.; Sweet, Paul R.; Jakobsen, Kjetill Sigurd; Boessenkool, Sanne (Peer reviewed; Journal article, 2023)
      The Arctic is experiencingthe fastest rates of globalwarming,leadingto shiftsin the distributionof its biotaandincreasingthe potentialfor hybridization. However, genomicevidenceof recenthybridization events in theArctic ...
    • Individual migration strategy fidelity but no habitat specialization in two congeneric seabirds 

      Merkel, Benjamin; Descamps, Sebastien; Yoccoz, Nigel; Grémillet, David; Daunt, Francis; Erikstad, Kjell E; Ezhov, Aleksey V.; Harris, Mike P.; Gavrilo, Maria; Lorentsen, Svein Håkon; Reiertsen, Tone Kristin; Steen, Harald; Systad, Geir Helge Rødli; Þórarinsson, Þorkell Lindberg; Wanless, Sarah; Strøm, Hallvard (Peer reviewed; Journal article, 2020)
      Abstract Aim: In migratory species, individuals often use fixed and individual-specific migration strategies, which we term individual migration strategy fidelity (IMSF). Our goal was to test if guillemots have flexible ...
    • Inter-annual variation in winter distribution affects individual seabird contamination with mercury 

      Albert, Céline; Bråthen, Vegard Sandøy; Descamps, Sebastien; Anker-Nilssen, Tycho; Cherenkov, A.; Christensen-Dalsgaard, Signe; Danielsen, Johannis; Erikstad, Kjell E.; Gavrilo, Maria; Hanssen, Sveinn Are; Helgason, Halfdan Helgi; Jonsson, Jón Einar; Kolbeinsson, Yann; Krasnov, Yuri V.; Langset, Magdalene; Lorentzen, Erlend; Olsen, Bergur; Reiertsen, Tone Kristin; Strøm, Hallvard; Systad, Geir Helge Rødli; Tertitski, G.; Thompson, P.M; Thórarinsson, Torkell Lindberg; Bustamante, P.; Moe, Børge; Fort, Jérôme (Peer reviewed; Journal article, 2021)
      Migratory seabirds are exposed to various pollutants throughout their annual cycle. Among them, mercury (Hg) is of particular concern given its large impact on animal health. Recent studies suggest that winter is a critical ...
    • Kunnskapsstatus Barentshavet sør. Sjøfugl i våre nordlige havområder 

      Systad, Geir Helge; Strøm, Hallvard (NINA Rapport;877, Research report, 2012)
      Denne rapporten tar for seg kunnskapsstatus for sjøfugl i det sørlige Barentshavet, både i norsk og russisk sektor. Etter at SEAPOP ble etablert har kunnskapen om fordeling av sjøfugl i dette området blitt kraftig forbedret, ...
    • Later at higher latitudes: large-scale variability in seabird breeding timing and synchronicity 

      Burr, Zofia M.; 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 (Peer reviewed; Journal article, 2016)
      In seasonal environments, organisms are expected to optimally schedule reproduction within an annual range of environmental conditions. Latitudinal gradients generate a range of seasonality to which we can expect adaptations ...
    • 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 ...
    • Metapopulation regulation acts at multiple spatial scales: Insights from a century of seabird colony census data 

      Jeglinski, Jana W.E.; Wanless, Sarah; Murray, Stuart; Barrett, Robert; Gardarsson, Arnthor; Harris, Mike P.; Dierschke, Jochen; Strøm, Hallvard; Lorentsen, Svein-Håkon; Matthiopoulos, Jason (Peer reviewed; Journal article, 2023)
      Density-dependent feedback is recognized as important regulatory mechanisms of population size. Considering the spatial scales over which such feedback operates has advanced our theoretical understanding of metapopulation ...
    • Moult location and diet of auks in the North Sea inferred from coupled light-based and isotope-based geolocation 

      Glew, Katie St. John; Wanless, Sarah; Harris, Michael P.; Daunt, Francis; Erikstad, Kjell E; Strøm, Hallvard; Trueman, Clive N. (Journal article; Peer reviewed, 2018)
      Many pelagic seabirds moult their feathers while at sea, which is an energetically costly behaviour. Mortality rates during moult can be high, so spatial and trophic ecology during this critical period is important for ...
    • Multi-colony tracking of two pelagic seabirds with contrasting flight capability illustrates how windscapes shape migratory movements at an ocean-basin scale 

      Amelineau, Francoise; Tarroux, Arnaud; Lacombe, Simon; Bråthen, Vegard Sandøy; Descamps, Sebastien; Ekker, Morten; Fauchald, Per; Johansen, Malin; Moe, Børge; Anker-Nilssen, Tycho; Bogdanova, Maria I.; Bringsvor, Ingar S.; Chastel, Olivier; Christensen-Dalsgaard, Signe; Daunt, Francis; Dehnhard, Nina; Erikstad, Kjell E.; Ezhov, Aleksey; Gavrilo, Maria; Hansen, Erpur S.; Harris, Mike P.; Helgason, Halfdan Helgi; Langset, Magdalene; Léandri-Breton, Don-Jean; Lorentsen, Svein-Håkon; Merkel, Benjamin; Newell, Mark; Olsen, Bergur; Reiertsen, Tone Kristin; Systad, Geir Helge Rødli; Thorarinsson, Thorkell L.; Åström, Jens; Strøm, Hallvard (Peer reviewed; Journal article, 2023)
      Migration is a common trait among many animals allowing the exploitation of spatiotemporally variable resources. It often implies high energetic costs to cover large distances, for example between breeding and wintering ...
    • Multi-colony tracking reveals spatio-temporal variation in carry-over effects between breeding success and winter movements in a pelagic seabird 

      Bogdanova, Maria I.; Butler, Adam; Wanless, Sarah; Moe, Børge; Anker-Nilssen, Tycho; Frederiksen, Morten; Boulinier, Thierry; Chivers, Lorraine S.; Christensen-Dalsgaard, Signe; Descamps, Sébastien; Harris, Michael P.; Newell, Mark; Olsen, Bergur; Phillips, Richard A.; Shaw, Deryk; Steen, Harald; Strøm, Hallvard; Thórarinsson, Thorkell L; Daunt, Francis (Journal article; Peer reviewed, 2017)
      Carry-over effects, whereby events in one season have consequences in subsequent seasons, have important demographic implications. Although most studies examine carry-over effects across 2 seasons in single populations, ...
    • 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) ...
    • 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 ...