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The rise of a marine generalist predator and the fall of beta diversity.

Ellingsen KE, Yoccoz NG, Tveraa T, Frank KT, Johannesen E, Anderson MJ, Dolgov AV, Shackell NL.

Glob Chang Biol. 2020 Mar 17. doi: 10.1111/gcb.15027. [Epub ahead of print]


End-user involvement to improve predictions and management of populations with complex dynamics and multiple drivers.

Henden JA, Ims RA, Yoccoz NG, Asbjørnsen EJ, Stien A, Mellard JP, Tveraa T, Marolla F, Uhd Jepsen J.

Ecol Appl. 2020 Mar 11:e02120. doi: 10.1002/eap.2120. [Epub ahead of print]


Warm temperatures during cold season can negatively affect adult survival in an alpine bird.

Chiffard J, Delestrade A, Yoccoz NG, Loison A, Besnard A.

Ecol Evol. 2019 Oct 25;9(22):12531-12543. doi: 10.1002/ece3.5715. eCollection 2019 Nov.


Earlier colony arrival but no trend in hatching timing in two congeneric seabirds (Uria spp.) across the North Atlantic.

Merkel B, Descamps S, Yoccoz NG, Danielsen J, Daunt F, Erikstad KE, Ezhov AV, Grémillet D, Gavrilo M, Lorentsen SH, Reiertsen TK, Steen H, Systad GH, Þórarinsson ÞL, Wanless S, Strøm H.

Biol Lett. 2019 Oct 31;15(10):20190634. doi: 10.1098/rsbl.2019.0634. Epub 2019 Oct 23.


Temporal trend of mercury in relation to feeding habits and food availability in arctic foxes (Vulpes lagopus) from Svalbard, Norway.

Hallanger IG, Fuglei E, Yoccoz NG, Pedersen ÅØ, König M, Routti H.

Sci Total Environ. 2019 Jun 20;670:1125-1132. doi: 10.1016/j.scitotenv.2019.03.239. Epub 2019 Mar 20.


Spatial synchrony in sub-arctic geometrid moth outbreaks reflects dispersal in larval and adult life cycle stages.

Vindstad OPL, Jepsen JU, Yoccoz NG, Bjørnstad ON, Mesquita MDS, Ims RA.

J Anim Ecol. 2019 Aug;88(8):1134-1145. doi: 10.1111/1365-2656.12959. Epub 2019 Mar 12.


Identifying key needs for the integration of social-ecological outcomes in arctic wildlife monitoring.

Wheeler HC, Berteaux D, Furgal C, Cazelles K, Yoccoz NG, Grémillet D.

Conserv Biol. 2019 Aug;33(4):861-872. doi: 10.1111/cobi.13257. Epub 2019 Jan 25.


Transferability of biotic interactions: Temporal consistency of arctic plant-rodent relationships is poor.

Soininen EM, Henden JA, Ravolainen VT, Yoccoz NG, Bråthen KA, Killengreen ST, Ims RA.

Ecol Evol. 2018 Sep 17;8(19):9697-9711. doi: 10.1002/ece3.4399. eCollection 2018 Oct.


Comparison of budburst phenology trends and precision among participants in a citizen science program.

Bison M, Yoccoz NG, Carlson BZ, Delestrade A.

Int J Biometeorol. 2019 Jan;63(1):61-72. doi: 10.1007/s00484-018-1636-x. Epub 2018 Nov 1.


Seasonal difference in temporal transferability of an ecological model: near-term predictions of lemming outbreak abundances.

Kleiven EF, Henden JA, Ims RA, Yoccoz NG.

Sci Rep. 2018 Oct 15;8(1):15252. doi: 10.1038/s41598-018-33443-6.


Ecological correlates of the spatial co-occurrence of sympatric mammalian carnivores worldwide.

Davis CL, Rich LN, Farris ZJ, Kelly MJ, Di Bitetti MS, Blanco YD, Albanesi S, Farhadinia MS, Gholikhani N, Hamel S, Harmsen BJ, Wultsch C, Kane MD, Martins Q, Murphy AJ, Steenweg R, Sunarto S, Taktehrani A, Thapa K, Tucker JM, Whittington J, Widodo FA, Yoccoz NG, Miller DAW.

Ecol Lett. 2018 Sep;21(9):1401-1412. doi: 10.1111/ele.13124. Epub 2018 Jul 17.


Plant DNA metabarcoding of lake sediments: How does it represent the contemporary vegetation.

Alsos IG, Lammers Y, Yoccoz NG, Jørgensen T, Sjögren P, Gielly L, Edwards ME.

PLoS One. 2018 Apr 17;13(4):e0195403. doi: 10.1371/journal.pone.0195403. eCollection 2018.


Biodiversity may wax or wane depending on metrics or taxa.

Yoccoz NG, Ellingsen KE, Tveraa T.

Proc Natl Acad Sci U S A. 2018 Feb 20;115(8):1681-1683. doi: 10.1073/pnas.1722626115. Epub 2018 Feb 12. No abstract available.


Long-term environmental monitoring for assessment of change: measurement inconsistencies over time and potential solutions.

Ellingsen KE, Yoccoz NG, Tveraa T, Hewitt JE, Thrush SF.

Environ Monit Assess. 2017 Oct 30;189(11):595. doi: 10.1007/s10661-017-6317-4.


Emission Changes Dwarf the Influence of Feeding Habits on Temporal Trends of Per- and Polyfluoroalkyl Substances in Two Arctic Top Predators.

Routti H, Aars J, Fuglei E, Hanssen L, Lone K, Polder A, Pedersen ÅØ, Tartu S, Welker JM, Yoccoz NG.

Environ Sci Technol. 2017 Oct 17;51(20):11996-12006. doi: 10.1021/acs.est.7b03585. Epub 2017 Sep 29.


Circumpolar dynamics of a marine top-predator track ocean warming rates.

Descamps S, Anker-Nilssen T, Barrett RT, Irons DB, Merkel F, Robertson GJ, Yoccoz NG, Mallory ML, Montevecchi WA, Boertmann D, Artukhin Y, Christensen-Dalsgaard S, Erikstad KE, Gilchrist HG, Labansen AL, Lorentsen SH, Mosbech A, Olsen B, Petersen A, Rail JF, Renner HM, Strøm H, Systad GH, Wilhelm SI, Zelenskaya L.

Glob Chang Biol. 2017 Sep;23(9):3770-3780. doi: 10.1111/gcb.13715. Epub 2017 May 10.


A probabilistic algorithm to process geolocation data.

Merkel B, Phillips RA, Descamps S, Yoccoz NG, Moe B, Strøm H.

Mov Ecol. 2016 Nov 18;4:26. eCollection 2016.


Range shifts or extinction? Ancient DNA and distribution modelling reveal past and future responses to climate warming in cold-adapted birds.

Lagerholm VK, Sandoval-Castellanos E, Vaniscotte A, Potapova OR, Tomek T, Bochenski ZM, Shepherd P, Barton N, Van Dyck MC, Miller R, Höglund J, Yoccoz NG, Dalén L, Stewart JR.

Glob Chang Biol. 2017 Apr;23(4):1425-1435. doi: 10.1111/gcb.13522. Epub 2016 Oct 20.


Concentrations and patterns of hydroxylated polybrominated diphenyl ethers and polychlorinated biphenyls in arctic foxes (Vulpes lagopus) from Svalbard.

Routti H, Andersen MS, Fuglei E, Polder A, Yoccoz NG.

Environ Pollut. 2016 Sep;216:264-272. doi: 10.1016/j.envpol.2016.05.056. Epub 2016 Jun 4.


When relative allocation depends on total resource acquisition: implication for the analysis of trade-offs.

Descamps S, Gaillard JM, Hamel S, Yoccoz NG.

J Evol Biol. 2016 Sep;29(9):1860-6. doi: 10.1111/jeb.12901. Epub 2016 Jun 9.


Modelled drift patterns of fish larvae link coastal morphology to seabird colony distribution.

Sandvik H, Barrett RT, Erikstad KE, Myksvoll MS, Vikebø F, Yoccoz NG, Anker-Nilssen T, Lorentsen SH, Reiertsen TK, Skarðhamar J, Skern-Mauritzen M, Systad GH.

Nat Commun. 2016 May 13;7:11599. doi: 10.1038/ncomms11599.


Analyzing the proximity to cover in a landscape of fear: a new approach applied to fine-scale habitat use by rabbits facing feral cat predation on Kerguelen archipelago.

Blanchard P, Lauzeral C, Chamaillé-Jammes S, Yoccoz NG, Pontier D.

PeerJ. 2016 Mar 7;4:e1769. doi: 10.7717/peerj.1769. eCollection 2016.


Assessing variation in life-history tactics within a population using mixture regression models: a practical guide for evolutionary ecologists.

Hamel S, Yoccoz NG, Gaillard JM.

Biol Rev Camb Philos Soc. 2017 May;92(2):754-775. doi: 10.1111/brv.12254. Epub 2016 Mar 1.


Continental-scale travelling waves in forest geometrids in Europe: an evaluation of the evidence.

Jepsen JU, Vindstad OP, Barraquand F, Ims RA, Yoccoz NG.

J Anim Ecol. 2016 Mar;85(2):385-90. doi: 10.1111/1365-2656.12444. Epub 2016 Jan 16.


Upscaling the niche variation hypothesis from the intra- to the inter-specific level.

Bison M, Ibanez S, Redjadj C, Boyer F, Coissac E, Miquel C, Rioux D, Said S, Maillard D, Taberlet P, Yoccoz NG, Loison A.

Oecologia. 2015 Nov;179(3):835-42. doi: 10.1007/s00442-015-3390-7. Epub 2015 Jul 22.


The role of a dominant predator in shaping biodiversity over space and time in a marine ecosystem.

Ellingsen KE, Anderson MJ, Shackell NL, Tveraa T, Yoccoz NG, Frank KT.

J Anim Ecol. 2015 Sep;84(5):1242-52. doi: 10.1111/1365-2656.12396. Epub 2015 Jun 24.


Disentangling direct and growth-mediated influences on early survival: a mechanistic approach.

Plard F, Yoccoz NG, Bonenfant C, Klein F, Warnant C, Gaillard JM.

J Anim Ecol. 2015 Sep;84(5):1363-72. doi: 10.1111/1365-2656.12378. Epub 2015 Jun 13.


Definition of sampling units begets conclusions in ecology: the case of habitats for plant communities.

Mörsdorf MA, Ravolainen VT, Støvern LE, Yoccoz NG, Jónsdóttir IS, Bråthen KA.

PeerJ. 2015 Mar 5;3:e815. doi: 10.7717/peerj.815. eCollection 2015.


Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird.

Descamps S, Tarroux A, Varpe Ø, Yoccoz NG, Tveraa T, Lorentsen SH.

Ecol Evol. 2015 Jan;5(2):314-25. doi: 10.1002/ece3.1357. Epub 2014 Dec 23.


Highly overlapping winter diet in two sympatric lemming species revealed by DNA metabarcoding.

Soininen EM, Gauthier G, Bilodeau F, Berteaux D, Gielly L, Taberlet P, Gussarova G, Bellemain E, Hassel K, Stenøien HK, Epp L, Schrøder-Nielsen A, Brochmann C, Yoccoz NG.

PLoS One. 2015 Jan 30;10(1):e0115335. doi: 10.1371/journal.pone.0115335. eCollection 2015.


The role of predation and food limitation on claims for compensation, reindeer demography and population dynamics.

Tveraa T, Stien A, Brøseth H, Yoccoz NG.

J Appl Ecol. 2014 Oct;51(5):1264-1272. Epub 2014 Sep 24.


Levels and temporal trends of persistent organic pollutants (POPs) in arctic foxes (Vulpes lagopus) from Svalbard in relation to dietary habits and food availability.

Andersen MS, Fuglei E, König M, Lipasti I, Pedersen ÅØ, Polder A, Yoccoz NG, Routti H.

Sci Total Environ. 2015 Apr 1;511:112-22. doi: 10.1016/j.scitotenv.2014.12.039. Epub 2014 Dec 21.


Perfluoroalkyl substance concentrations in a terrestrial raptor: relationships to environmental conditions and individual traits.

Bustnes JO, Bangjord G, Ahrens L, Herzke D, Yoccoz NG.

Environ Toxicol Chem. 2015 Jan;34(1):184-91. doi: 10.1002/etc.2782. Epub 2014 Dec 1.


Effect of body condition on tissue distribution of perfluoroalkyl substances (PFASs) in Arctic fox (Vulpes lagopus).

Aas CB, Fuglei E, Herzke D, Yoccoz NG, Routti H.

Environ Sci Technol. 2014 Oct 7;48(19):11654-61. doi: 10.1021/es503147n. Epub 2014 Sep 25. Erratum in: Environ Sci Technol. 2014 Nov 18;48(22):13558.


Forage-mediated density and climate effects on body mass in a temperate herbivore: a mechanistic approach.

Giroux MA, Tremblay JP, Simard MA, Yoccoz NG, Côté SD.

Ecology. 2014 May;95(5):1332-40.


Phenology and cover of plant growth forms predict herbivore habitat selection in a high latitude ecosystem.

Iversen M, Fauchald P, Langeland K, Ims RA, Yoccoz NG, Bråthen KA.

PLoS One. 2014 Jun 27;9(6):e100780. doi: 10.1371/journal.pone.0100780. eCollection 2014.


Overcompensation and phase effects in a cyclic common vole population: between first and second-order cycles.

Barraquand F, Pinot A, Yoccoz NG, Bretagnolle V.

J Anim Ecol. 2014 Nov;83(6):1367-78. doi: 10.1111/1365-2656.12257. Epub 2014 Jul 2.


Sources of variation in small rodent trophic niche: new insights from DNA metabarcoding and stable isotope analysis.

Soininen EM, Ehrich D, Lecomte N, Yoccoz NG, Tarroux A, Berteaux D, Gauthier G, Gielly L, Brochmann C, Gussarova G, Ims RA.

Isotopes Environ Health Stud. 2014;50(3):361-81. doi: 10.1080/10256016.2014.915824. Epub 2014 May 15.


Thermal niches are more conserved at cold than warm limits in arctic-alpine plant species.

Pellissier L, Bråthen KA, Vittoz P, Yoccoz NG, Dubuis A, Meier ES, Zimmermann NE, Randin CF, Thuiller W, Garraud L, Van Es J, Guisan A.

Glob Ecol Biogeogr. 2013 Aug 1;22(8):933-941.


The spectacular human nose: an amplifier of individual quality?

Mikalsen SK, Folstad I, Yoccoz NG, Laeng B.

PeerJ. 2014 Apr 17;2:e357. doi: 10.7717/peerj.357. eCollection 2014.


Demographic responses of a site-faithful and territorial predator to its fluctuating prey: long-tailed skuas and arctic lemmings.

Barraquand F, Høye TT, Henden JA, Yoccoz NG, Gilg O, Schmidt NM, Sittler B, Ims RA.

J Anim Ecol. 2014 Mar;83(2):375-87. doi: 10.1111/1365-2656.12140. Epub 2013 Oct 15.


When can environmental variability benefit population growth? Counterintuitive effects of nonlinearities in vital rates.

Barraquand F, Yoccoz NG.

Theor Popul Biol. 2013 Nov;89:1-11. doi: 10.1016/j.tpb.2013.07.002. Epub 2013 Jul 29.


The world's northernmost harbour seal population-how many are there?

Merkel B, Lydersen C, Yoccoz NG, Kovacs KM.

PLoS One. 2013 Jul 3;8(7):e67576. doi: 10.1371/journal.pone.0067576. Print 2013.


Arctic Small Rodents Have Diverse Diets and Flexible Food Selection.

Soininen EM, Ravolainen VT, Bråthen KA, Yoccoz NG, Gielly L, Ims RA.

PLoS One. 2013 Jun 27;8(6):e68128. doi: 10.1371/journal.pone.0068128. Print 2013.


How spatial variation in areal extent and configuration of labile vegetation states affect the riparian bird community in Arctic tundra.

Henden JA, Yoccoz NG, Ims RA, Langeland K.

PLoS One. 2013 May 14;8(5):e63312. doi: 10.1371/journal.pone.0063312. Print 2013.


Temporal trends (1986-2005) of essential and non-essential elements in a terrestrial raptor in northern Europe.

Bustnes JO, Bårdsen BJ, Bangjord G, Lierhagen S, Yoccoz NG.

Sci Total Environ. 2013 Aug 1;458-460:101-6. doi: 10.1016/j.scitotenv.2013.04.027. Epub 2013 May 1.


Europe-wide dampening of population cycles in keystone herbivores.

Cornulier T, Yoccoz NG, Bretagnolle V, Brommer JE, Butet A, Ecke F, Elston DA, Framstad E, Henttonen H, Hörnfeldt B, Huitu O, Imholt C, Ims RA, Jacob J, Jędrzejewska B, Millon A, Petty SJ, Pietiäinen H, Tkadlec E, Zub K, Lambin X.

Science. 2013 Apr 5;340(6128):63-6. doi: 10.1126/science.1228992.


Nonlinear effects of climate on boreal rodent dynamics: mild winters do not negate high-amplitude cycles.

Korpela K, Delgado M, Henttonen H, Korpimäki E, Koskela E, Ovaskainen O, Pietiäinen H, Sundell J, Yoccoz NG, Huitu O.

Glob Chang Biol. 2013 Mar;19(3):697-710. doi: 10.1111/gcb.12099. Epub 2013 Jan 7.


Climate events synchronize the dynamics of a resident vertebrate community in the high Arctic.

Hansen BB, Grøtan V, Aanes R, Sæther BE, Stien A, Fuglei E, Ims RA, Yoccoz NG, Pedersen AØ.

Science. 2013 Jan 18;339(6117):313-5. doi: 10.1126/science.1226766.

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