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Items: 1 to 50 of 102

1.

Comparative Brain Morphology of the Greenland and Pacific Sleeper Sharks and its Functional Implications.

Yopak KE, McMeans BC, Mull CG, Feindel KW, Kovacs KM, Lydersen C, Fisk AT, Collin SP.

Sci Rep. 2019 Jul 11;9(1):10022. doi: 10.1038/s41598-019-46225-5.

2.

Contrasting changes in space use induced by climate change in two Arctic marine mammal species.

Hamilton CD, Vacquié-Garcia J, Kovacs KM, Ims RA, Kohler J, Lydersen C.

Biol Lett. 2019 Mar 29;15(3):20180834. doi: 10.1098/rsbl.2018.0834.

PMID:
30836888
3.

Contaminants in Atlantic walruses in Svalbard Part 2: Relationships with endocrine and immune systems.

Routti H, Diot B, Panti C, Duale N, Fossi MC, Harju M, Kovacs KM, Lydersen C, Scotter SE, Villanger GD, Bourgeon S.

Environ Pollut. 2019 Mar;246:658-667. doi: 10.1016/j.envpol.2018.11.097. Epub 2018 Nov 30.

PMID:
30611942
4.

A global cline in a colour polymorphism suggests a limited contribution of gene flow towards the recovery of a heavily exploited marine mammal.

Hoffman JI, Bauer E, Paijmans AJ, Humble E, Beckmann LM, Kubetschek C, Christaller F, Kröcker N, Fuchs B, Moreras A, Shihlomule YD, Bester MN, Cleary AC, De Bruyn PJN, Forcada J, Goebel ME, Goldsworthy SD, Guinet C, Hoelzel AR, Lydersen C, Kovacs KM, Lowther A.

R Soc Open Sci. 2018 Oct 17;5(10):181227. doi: 10.1098/rsos.181227. eCollection 2018 Oct.

5.

Individual variability in diving, movement and activity patterns of adult bearded seals in Svalbard, Norway.

Hamilton CD, Kovacs KM, Lydersen C.

Sci Rep. 2018 Nov 19;8(1):16988. doi: 10.1038/s41598-018-35306-6.

6.

Habitats and movement patterns of white whales Delphinapterus leucas in Svalbard, Norway in a changing climate.

Vacquié-Garcia J, Lydersen C, Ims RA, Kovacs KM.

Mov Ecol. 2018 Oct 24;6:21. doi: 10.1186/s40462-018-0139-z. eCollection 2018.

7.

Contaminants in Atlantic walruses in Svalbard part 1: Relationships between exposure, diet and pathogen prevalence.

Scotter SE, Tryland M, Nymo IH, Hanssen L, Harju M, Lydersen C, Kovacs KM, Klein J, Fisk AT, Routti H.

Environ Pollut. 2019 Jan;244:9-18. doi: 10.1016/j.envpol.2018.10.001. Epub 2018 Oct 3.

PMID:
30317087
8.

Subglacial discharge plume behaviour revealed by CTD-instrumented ringed seals.

Everett A, Kohler J, Sundfjord A, Kovacs KM, Torsvik T, Pramanik A, Boehme L, Lydersen C.

Sci Rep. 2018 Sep 7;8(1):13467. doi: 10.1038/s41598-018-31875-8.

9.

Correction to: Chinstrap penguin population genetic structure: one or more populations along the Southern Ocean?

Mura-Jornet I, Pimentel C, Dantas GPM, Petry MV, González-Acuña D, Barbosa A, Lowther AD, Kovacs KM, Poulin E, Vianna JA.

BMC Evol Biol. 2018 Jul 25;18(1):117. doi: 10.1186/s12862-018-1231-0.

10.

Aquatic behaviour of polar bears (Ursus maritimus) in an increasingly ice-free Arctic.

Lone K, Kovacs KM, Lydersen C, Fedak M, Andersen M, Lovell P, Aars J.

Sci Rep. 2018 Jun 26;8(1):9677. doi: 10.1038/s41598-018-27947-4.

11.

Chinstrap penguin population genetic structure: one or more populations along the Southern Ocean?

Mura-Jornet I, Pimentel C, Dantas GPM, Petry MV, González-Acuña D, Barbosa A, Lowther AD, Kovacs KM, Poulin E, Vianna JA.

BMC Evol Biol. 2018 Jun 13;18(1):90. doi: 10.1186/s12862-018-1207-0. Erratum in: BMC Evol Biol. 2018 Jul 25;18(1):117.

12.

Effects of a complex contaminant mixture on thyroid hormones in breeding hooded seal mothers and their pups.

Grønnestad R, Villanger GD, Polder A, Kovacs KM, Lydersen C, Jenssen BM, Borgå K.

Environ Pollut. 2018 Sep;240:10-16. doi: 10.1016/j.envpol.2018.04.052. Epub 2018 May 3.

PMID:
29729564
13.

Temporal variation in trophic relationships among three congeneric penguin species breeding in sympatry.

Tarroux A, Lydersen C, Trathan PN, Kovacs KM.

Ecol Evol. 2018 Mar 5;8(7):3660-3674. doi: 10.1002/ece3.3937. eCollection 2018 Apr.

14.

Extreme diversity in the songs of Spitsbergen's bowhead whales.

Stafford KM, Lydersen C, Wiig Ø, Kovacs KM.

Biol Lett. 2018 Apr;14(4). pii: 20180056. doi: 10.1098/rsbl.2018.0056.

15.

First isolation of Brucella pinnipedialis and detection of Brucella antibodies from bearded seals Erignathus barbatus.

Foster G, Nymo IH, Kovacs KM, Beckmen KB, Brownlow AC, Baily JL, Dagleish MP, Muchowski J, Perrett LL, Tryland M, Lydersen C, Godfroid J, McGovern B, Whatmore AM.

Dis Aquat Organ. 2018 Mar 22;128(1):13-20. doi: 10.3354/dao03211.

PMID:
29565250
16.

SHORT DURATION IMMOBILIZATION OF ATLANTIC WALRUS ( ODOBENUS ROSMARUS ROSMARUS) WITH ETORPHINE, AND REVERSAL WITH NALTREXONE.

Ølberg RA, Kovacs KM, Bertelsen MF, Semenova V, Lydersen C.

J Zoo Wildl Med. 2017 Dec;48(4):972-978. doi: 10.1638/2016-0232R.1.

PMID:
29297843
17.

Hooded seal Cystophora cristata foraging areas in the Northeast Atlantic Ocean-Investigated using three complementary methods.

Vacquie-Garcia J, Lydersen C, Biuw M, Haug T, Fedak MA, Kovacs KM.

PLoS One. 2017 Dec 6;12(12):e0187889. doi: 10.1371/journal.pone.0187889. eCollection 2017.

18.

Origins of the Greenland shark (Somniosus microcephalus): Impacts of ice-olation and introgression.

Walter RP, Roy D, Hussey NE, Stelbrink B, Kovacs KM, Lydersen C, McMeans BC, Svavarsson J, Kessel ST, Biton Porsmoguer S, Wildes S, Tribuzio CA, Campana SE, Petersen SD, Grubbs RD, Heath DD, Hedges KJ, Fisk AT.

Ecol Evol. 2017 Sep 8;7(19):8113-8125. doi: 10.1002/ece3.3325. eCollection 2017 Oct.

19.

The underwater soundscape in western Fram Strait: Breeding ground of Spitsbergen's endangered bowhead whales.

Ahonen H, Stafford KM, de Steur L, Lydersen C, Wiig Ø, Kovacs KM.

Mar Pollut Bull. 2017 Oct 15;123(1-2):97-112. doi: 10.1016/j.marpolbul.2017.09.019. Epub 2017 Sep 20.

PMID:
28938997
20.

An Arctic predator-prey system in flux: climate change impacts on coastal space use by polar bears and ringed seals.

Hamilton CD, Kovacs KM, Ims RA, Aars J, Lydersen C.

J Anim Ecol. 2017 Sep;86(5):1054-1064. doi: 10.1111/1365-2656.12685. Epub 2017 May 22.

PMID:
28415134
21.

Circulating thyroid hormones and associated metabolites in white whales (Delphinapterus leucas) determined using isotope-dilution mass spectrometry.

Hansen M, Villanger GD, Bechshoft T, Levin M, Routti H, Kovacs KM, Lydersen C.

Environ Res. 2017 Jul;156:128-131. doi: 10.1016/j.envres.2017.03.027. Epub 2017 Mar 22.

PMID:
28342348
22.

The broad footprint of climate change from genes to biomes to people.

Scheffers BR, De Meester L, Bridge TC, Hoffmann AA, Pandolfi JM, Corlett RT, Butchart SH, Pearce-Kelly P, Kovacs KM, Dudgeon D, Pacifici M, Rondinini C, Foden WB, Martin TG, Mora C, Bickford D, Watson JE.

Science. 2016 Nov 11;354(6313). pii: aaf7671. Review.

PMID:
27846577
23.

Maternal transfer of perfluoroalkyl substances in hooded seals.

Grønnestad R, Villanger GD, Polder A, Kovacs KM, Lydersen C, Jenssen BM, Borgå K.

Environ Toxicol Chem. 2017 Mar;36(3):763-770. doi: 10.1002/etc.3623. Epub 2016 Oct 23.

PMID:
27771942
24.

Climate change impacts on wildlife in a High Arctic archipelago - Svalbard, Norway.

Descamps S, Aars J, Fuglei E, Kovacs KM, Lydersen C, Pavlova O, Pedersen ÅØ, Ravolainen V, Strøm H.

Glob Chang Biol. 2017 Feb;23(2):490-502. doi: 10.1111/gcb.13381. Epub 2016 Jun 28. Review.

PMID:
27250039
25.

Spatial and temporal trends in perfluoroalkyl substances (PFASs) in ringed seals (Pusa hispida) from Svalbard.

Routti H, Gabrielsen GW, Herzke D, Kovacs KM, Lydersen C.

Environ Pollut. 2016 Jul;214:230-238. doi: 10.1016/j.envpol.2016.04.016. Epub 2016 Apr 17.

PMID:
27089420
26.

Genetic diversity of historical Atlantic walruses (Odobenus rosmarus rosmarus) from Bjørnøya and Håøya (Tusenøyane), Svalbard, Norway.

Lindqvist C, Roy T, Lydersen C, Kovacs KM, Aars J, Wiig Ø, Bachmann L.

BMC Res Notes. 2016 Feb 18;9:112. doi: 10.1186/s13104-016-1907-8.

27.

Predictions replaced by facts: a keystone species' behavioural responses to declining arctic sea-ice.

Hamilton CD, Lydersen C, Ims RA, Kovacs KM.

Biol Lett. 2015 Nov;11(11). pii: 20150803. doi: 10.1098/rsbl.2015.0803.

28.

Organophosphorous flame retardants in biota from Svalbard, Norway.

Hallanger IG, Sagerup K, Evenset A, Kovacs KM, Leonards P, Fuglei E, Routti H, Aars J, Strøm H, Lydersen C, Gabrielsen GW.

Mar Pollut Bull. 2015 Dec 15;101(1):442-447. doi: 10.1016/j.marpolbul.2015.09.049. Epub 2015 Oct 6.

PMID:
26453403
29.

Seasonal, Oceanographic and Atmospheric Drivers of Diving Behaviour in a Temperate Seal Species Living in the High Arctic.

Blanchet MA, Lydersen C, Ims RA, Kovacs KM.

PLoS One. 2015 Jul 21;10(7):e0132686. doi: 10.1371/journal.pone.0132686. eCollection 2015.

30.

The Argos-CLS Kalman Filter: Error Structures and State-Space Modelling Relative to Fastloc GPS Data.

Lowther AD, Lydersen C, Fedak MA, Lovell P, Kovacs KM.

PLoS One. 2015 Apr 23;10(4):e0124754. doi: 10.1371/journal.pone.0124754. eCollection 2015.

31.

Arctic marine mammal population status, sea ice habitat loss, and conservation recommendations for the 21st century.

Laidre KL, Stern H, Kovacs KM, Lowry L, Moore SE, Regehr EV, Ferguson SH, Wiig Ø, Boveng P, Angliss RP, Born EW, Litovka D, Quakenbush L, Lydersen C, Vongraven D, Ugarte F.

Conserv Biol. 2015 Jun;29(3):724-37. doi: 10.1111/cobi.12474. Epub 2015 Mar 17. Review.

32.

Contaminant levels in the world's northernmost harbor seals (Phoca vitulina).

Routti H, Lydersen C, Hanssen L, Kovacs KM.

Mar Pollut Bull. 2014 Oct 15;87(1-2):140-146. doi: 10.1016/j.marpolbul.2014.08.001. Epub 2014 Aug 22.

PMID:
25152181
33.

Haul-out behaviour of the world's northernmost population of harbour seals (Phoca vitulina) throughout the year.

Hamilton CD, Lydersen C, Ims RA, Kovacs KM.

PLoS One. 2014 Jan 22;9(1):e86055. doi: 10.1371/journal.pone.0086055. eCollection 2014.

34.

Temporal and spatial variation in polychlorinated biphenyl chiral signatures of the Greenland shark (Somniosus microcephalus) and its arctic marine food web.

Lu Z, Fisk AT, Kovacs KM, Lydersen C, McKinney MA, Tomy GT, Rosenburg B, McMeans BC, Muir DC, Wong CS.

Environ Pollut. 2014 Mar;186:216-25. doi: 10.1016/j.envpol.2013.12.005. Epub 2014 Jan 3.

PMID:
24389599
35.

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.

36.

Effects of complex organohalogen contaminant mixtures on thyroid homeostasis in hooded seal (Cystophora cristata) mother-pup pairs.

Villanger GD, Gabrielsen KM, Kovacs KM, Lydersen C, Lie E, Karimi M, Sørmo EG, Jenssen BM.

Chemosphere. 2013 Aug;92(7):828-42. doi: 10.1016/j.chemosphere.2013.04.036. Epub 2013 May 29.

PMID:
23726007
37.

Phocine herpesvirus 1 (PhHV-1) in harbor seals from Svalbard, Norway.

Roth SJ, Tischer BK, Kovacs KM, Lydersen C, Osterrieder N, Tryland M.

Vet Microbiol. 2013 Jun 28;164(3-4):286-92. doi: 10.1016/j.vetmic.2013.03.008. Epub 2013 Mar 21.

PMID:
23570865
38.

Associations between vitamins A and E and legacy POP levels in highly contaminated Greenland sharks (Somniosus microcephalus).

Molde K, Ciesielski TM, Fisk AT, Lydersen C, Kovacs KM, Sørmo EG, Jenssen BM.

Sci Total Environ. 2013 Jan 1;442:445-54. doi: 10.1016/j.scitotenv.2012.10.012. Epub 2012 Nov 24.

PMID:
23183125
39.

Serum chemistry and antibodies against pathogens in antarctic fur seals, Weddell seals, crabeater seals, and Ross seals.

Tryland M, Nymo IH, Nielsen O, Nordøy ES, Kovacs KM, Krafft BA, Thoresen SI, Åsbakk K, Osterrieder K, Roth SJ, Lydersen C, Godfroid J, Blix AS.

J Wildl Dis. 2012 Jul;48(3):632-45.

PMID:
22740529
40.

Pre-partum diet of adult female bearded seals in years of contrasting ice conditions.

Hindell MA, Lydersen C, Hop H, Kovacs KM.

PLoS One. 2012;7(5):e38307. doi: 10.1371/journal.pone.0038307. Epub 2012 May 31.

41.

Biology of the Greenland shark Somniosus microcephalus.

MacNeil MA, McMeans BC, Hussey NE, Vecsei P, Svavarsson J, Kovacs KM, Lydersen C, Treble MA, Skomal GB, Ramsey M, Fisk AT.

J Fish Biol. 2012 Apr;80(5):991-1018. doi: 10.1111/j.1095-8649.2012.03257.x. Review.

PMID:
22497371
42.

Climate change and the ecology and evolution of Arctic vertebrates.

Gilg O, Kovacs KM, Aars J, Fort J, Gauthier G, Grémillet D, Ims RA, Meltofte H, Moreau J, Post E, Schmidt NM, Yannic G, Bollache L.

Ann N Y Acad Sci. 2012 Feb;1249:166-90. doi: 10.1111/j.1749-6632.2011.06412.x. Epub 2012 Feb 13. Review.

PMID:
22329928
43.

Levels and patterns of hydroxylated polychlorinated biphenyls (OH-PCBs) and their associations with thyroid hormones in hooded seal (Cystophora cristata) mother-pup pairs.

Gabrielsen KM, Villanger GD, Lie E, Karimi M, Lydersen C, Kovacs KM, Jenssen BM.

Aquat Toxicol. 2011 Oct;105(3-4):482-91. doi: 10.1016/j.aquatox.2011.08.003. Epub 2011 Aug 11.

PMID:
21888873
44.

Disruptive effects of persistent organohalogen contaminants on thyroid function in white whales (Delphinapterus leucas) from Svalbard.

Villanger GD, Lydersen C, Kovacs KM, Lie E, Skaare JU, Jenssen BM.

Sci Total Environ. 2011 Jun 1;409(13):2511-24. doi: 10.1016/j.scitotenv.2011.03.014. Epub 2011 Apr 15.

PMID:
21497377
45.

A simple route to single-nucleotide polymorphisms in a nonmodel species: identification and characterization of SNPs in the Artic ringed seal (Pusa hispida hispida).

Olsen MT, Volny VH, Bérubé M, Dietz R, Lydersen C, Kovacs KM, Dodd RS, Palsbøll PJ.

Mol Ecol Resour. 2011 Mar;11 Suppl 1:9-19. doi: 10.1111/j.1755-0998.2010.02941.x. Epub 2011 Jan 10.

PMID:
21429159
46.

Effects of hydrographic variability on the spatial, seasonal and diel diving patterns of southern elephant seals in the eastern Weddell Sea.

Biuw M, Nøst OA, Stien A, Zhou Q, Lydersen C, Kovacs KM.

PLoS One. 2010 Nov 3;5(11):e13816. doi: 10.1371/journal.pone.0013816.

47.

The impact of conservation on the status of the world's vertebrates.

Hoffmann M, Hilton-Taylor C, Angulo A, Böhm M, Brooks TM, Butchart SH, Carpenter KE, Chanson J, Collen B, Cox NA, Darwall WR, Dulvy NK, Harrison LR, Katariya V, Pollock CM, Quader S, Richman NI, Rodrigues AS, Tognelli MF, Vié JC, Aguiar JM, Allen DJ, Allen GR, Amori G, Ananjeva NB, Andreone F, Andrew P, Aquino Ortiz AL, Baillie JE, Baldi R, Bell BD, Biju SD, Bird JP, Black-Decima P, Blanc JJ, Bolaños F, Bolivar-G W, Burfield IJ, Burton JA, Capper DR, Castro F, Catullo G, Cavanagh RD, Channing A, Chao NL, Chenery AM, Chiozza F, Clausnitzer V, Collar NJ, Collett LC, Collette BB, Cortez Fernandez CF, Craig MT, Crosby MJ, Cumberlidge N, Cuttelod A, Derocher AE, Diesmos AC, Donaldson JS, Duckworth JW, Dutson G, Dutta SK, Emslie RH, Farjon A, Fowler S, Freyhof J, Garshelis DL, Gerlach J, Gower DJ, Grant TD, Hammerson GA, Harris RB, Heaney LR, Hedges SB, Hero JM, Hughes B, Hussain SA, Icochea M J, Inger RF, Ishii N, Iskandar DT, Jenkins RK, Kaneko Y, Kottelat M, Kovacs KM, Kuzmin SL, La Marca E, Lamoreux JF, Lau MW, Lavilla EO, Leus K, Lewison RL, Lichtenstein G, Livingstone SR, Lukoschek V, Mallon DP, McGowan PJ, McIvor A, Moehlman PD, Molur S, Muñoz Alonso A, Musick JA, Nowell K, Nussbaum RA, Olech W, Orlov NL, Papenfuss TJ, Parra-Olea G, Perrin WF, Polidoro BA, Pourkazemi M, Racey PA, Ragle JS, Ram M, Rathbun G, Reynolds RP, Rhodin AG, Richards SJ, Rodríguez LO, Ron SR, Rondinini C, Rylands AB, Sadovy de Mitcheson Y, Sanciangco JC, Sanders KL, Santos-Barrera G, Schipper J, Self-Sullivan C, Shi Y, Shoemaker A, Short FT, Sillero-Zubiri C, Silvano DL, Smith KG, Smith AT, Snoeks J, Stattersfield AJ, Symes AJ, Taber AB, Talukdar BK, Temple HJ, Timmins R, Tobias JA, Tsytsulina K, Tweddle D, Ubeda C, Valenti SV, van Dijk PP, Veiga LM, Veloso A, Wege DC, Wilkinson M, Williamson EA, Xie F, Young BE, Akçakaya HR, Bennun L, Blackburn TM, Boitani L, Dublin HT, da Fonseca GA, Gascon C, Lacher TE Jr, Mace GM, Mainka SA, McNeely JA, Mittermeier RA, Reid GM, Rodriguez JP, Rosenberg AA, Samways MJ, Smart J, Stein BA, Stuart SN.

Science. 2010 Dec 10;330(6010):1503-9. doi: 10.1126/science.1194442. Epub 2010 Oct 26.

48.

Helminth parasites in ringed seals (Pusa hispida) from Svalbard, Norway with special emphasis on nematodes: variation with age, sex, diet, and location of host.

Johansen CE, Lydersen C, Aspholm PE, Haug T, Kovacs KM.

J Parasitol. 2010 Oct;96(5):946-53. doi: 10.1645/GE-1685.1. Epub 2010 Apr 26.

PMID:
20950103
49.

Hormone, vitamin and contaminant status during the moulting/fasting period in ringed seals (Pusa [Phoca] hispida) from Svalbard.

Routti H, Jenssen BM, Lydersen C, Bäckman C, Arukwe A, Nyman M, Kovacs KM, Gabrielsen GW.

Comp Biochem Physiol A Mol Integr Physiol. 2010 Jan;155(1):70-6. doi: 10.1016/j.cbpa.2009.09.024. Epub 2009 Oct 2.

PMID:
19800979
50.

Serum chemistry reference values in free-ranging north Atlantic male walruses (Odobenus rosmarus rosmarus) from the Svalbard archipelago.

Tryland M, Lydersen C, Kovacs KM, Thoresen SI.

Vet Clin Pathol. 2009 Dec;38(4):501-6. doi: 10.1111/j.1939-165X.2009.00154.x. Epub 2009 May 15.

PMID:
19473331

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