Fauchald, PerTarroux, ArnaudAmélineau, FrançoiseBråthen, Vegard SandøyDescamps, SébastienEkker, MortenHelgason, Hálfdán HelgiJohansen, Malin KjellstadliMerkel, BenjaminMoe, BorgeÅström, JensAnker-Nilssen, TychoBjørnstad, OskarChastel, OlivierChristensen Dalsgaard, SigneDanielsen, JóhannisDaunt, FrancisDehnhard, NinaErikstad, Kjell EinarEzhov, AlexeyGavrilo , MariaHallgrimsson, Gunnar ThorHansen, Erpur SnærHarris, MikeHelberg, MortenJónsson, Jón EinarKolbeinsson, YannKrasnov, YuriLangset, MagdaleneLorentsen, Svein-HåkonLorentzen, ErlendNewell, MarkOlsen, BergurKristin Reiertsen, ToneSystad , Geir HelgeThompson, PaulThórarinsson, Thorkell LindbergWanless, SarahWojczulanis-Jakubas, KatarzynaStrøm, Hallvard2022-03-282022-03-282021Fauchald, P, Tarroux, A, Amélineau, F, Bråthen, V S, Descamps, S, Ekker, M, Helgason, H H, Johansen, M K, Merkel, B, Moe, B, Åström, J, Anker-Nilssen, T, Bjørnstad, O, Chastel, O, Christensen Dalsgaard, S, Danielsen, J, Daunt, F, Dehnhard, N, Erikstad, K E, Ezhov, A, Gavrilo , M, Hallgrimsson, G T, Hansen, E S, Harris, M, Helberg, M, Jónsson, J E, Kolbeinsson, Y, Krasnov, Y, Langset, M, Lorentsen, S-H, Lorentzen, E, Newell, M, Olsen, B, Kristin Reiertsen, T, Systad , G H, Thompson, P, Thórarinsson, T L, Wanless, S, Wojczulanis-Jakubas, K & Strøm, H 2021, 'The year-round distribution of Northeast Atlantic seabird populations : Applications for population management and marine spatial planning', Marine Ecology Progress Series, vol. 676, pp. 255-276. https://doi.org/10.3354/meps138540171-8630https://hdl.handle.net/2164/18310Acknowledgement We thank all the fieldworkers for their hard work collecting data. Funding for this study was provided by the Norwegian Ministry for Climate and the Environment, the Norwegian Ministry of Foreign Affairs and the Norwegian Oil and Gas Association along with eight oil companies through the SEATRACK project (www.seapop.no/en/seatrack). Fieldwork in Norwegian colonies (incl. Svalbard and Jan Mayen) was supported by the SEAPOP program (www.seapop.no grant number 192141). The French Polar Institute Paul Emile Victor, funded the ORNITHO-ENDOCRINO program (IPEV program 330 to O. Chastel) on Kongsfjord kittiwakes. Russian field operations were enabled by the crew on SY Alter Ego and Open Ocean project team. A.V. Ezhov and Yu.V. Krasnov were supported by the project No 0228-2019-0004 “Ornithofauna of the northern seas: peculiarities of the nonbreeding season” with the framework of MMBI research plan and the state order for 2109-2021. The work on the Isle of May was supported by the Natural Environment Research Council (Award NE/R016429/1 as part of the UK-SCaPE programme delivering National Capability). ES Hansen was supported by Veiðikortasjóður224822062engSDG 14 - Life Below WaterFulmarus glacialisUria aalgeUria lomviaAlle alleFratercula arcticamarine spatial planningSEATRACKQH301 BiologyGE Environmental SciencesNatural Environment Research Council (NERC)NE/R016429/1Supplementary DataQH301GEJournal article10.3354/meps13854676