Céline LE BOHEC

Directrice de Recherche CNRSLeBohecCeline 1 sm

CEFE/CNRS
Campus du CNRS
1919, route de Mende
34293 Montpellier Cedex 5

Tél : +33/0 4 67 61 33 08
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Centre Scientifique de Monaco (CSM)
Département de Biologie Polaire (5ème étage)
8, quai Antoine 1er
MC 98000 MONACO
Tél : +377 97 77 44 56
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ORCID: https://orcid.org/0000-0003-0149-6477

 

Research Interest

Understand polar ecosystems and their evolution, particularly in the face of climate change, and provide results and tools essential to the implementation of strategies for the preservation of these sensitive ecosystems and biodiversity. To this end, we develop and run forefront “Life Observatories” in Antarctica (Adélie Land and Queen Maud Land) and on the sub-Antarctic islands (Crozet and Kerguelen archipelagos), which apply innovative and non-intrusive technologies (e.g. electronic monitoring, biologging, automatic camera systems, robotics, including the use of artificial intelligence methods) to analyze and long-term monitor, in near-real time, populations of sentinel species like penguins (king, Adélie and emperor penguins).

 

Education

2020

Habilitation à Diriger des Recherches (ED414 University of Strasbourg, France).

2007

Ph.D in Ecology (University of Strasbourg – DEPE/IPHC, Strasbourg, France): Life history strategies in a long-lived bird: the King penguin Aptenodytes patagonicus.

2003

MSc in Ecophysiology, Energetics and Behaviour (University of Strasbourg, Strasbourg, France): The adaptive significance of crèching behaviour in colonial bird species, the case of the King penguin Aptenodytes patagonicus.

 

Positions - current and previous

2025-present

Researcher in Ecology at the Centre National de la Recherche Scientifique (CEFE/CNRS/UMR 5175, Montpellier, France)

2014-2024

Researcher in Ecology at the Centre National de la Recherche Scientifique (DEPE/IPHC – CNRS/UMR 7871, Strasbourg, France)

2012-present

Researcher at the Polar Biology Department (Centre Scientifique de Monaco – CSM, Principality of Monaco)

2010-2011

Post-Doctorat in Ecology and Biomathematics (University of Oslo – CEES, Oslo, Norway): Demographic strategies under climate variation: a study on arctic and antarctic seabirds.

2008-2009

Post-Doctorat in co-evolutionary ecology, immunology, behavior and conservation biology (University of Utah – Clayton Lab, Salt Lake City, United-States): Co-evolutionary ecology of Darwin's Finches and parasites.

2007-2008

Post-Doctorat in Ecology and Biomathematics (University of Oslo – CEES, Oslo, Norway). Long time series analysis in long-lived seabirds.

 

Project management (PI)

2017-present

German Polar Institute “Alfred Wegner” (AWI), MARE Programme ‘Monitor the health of the Antarctic maRine ecosystems using the Emperor penguin as a sentinel’.

2012-present

Department of Polar Biology (CSM, Principality of Monaco).

2002-present

French Polar Institute “Paul-Emile Victor” (IPEV), Project 137 ‘Adaptive strategies and population dynamics of polar seabirds under environmental constraints’.

 

Committees

Since 2017

Delegate (Monaco) for the Antarctic Treaty Consultative Meeting (ATCM)

Since 2012

Delegate (Monaco) for the Scientific Committee on Antarctic Research (SCAR)

 

Prize and Fellowships

2020

Prize of the French Academy of Sciences for Research in the Polar and Subpolar Zone

2011-2011

Post-Doc Marie-Curie Research Fellowship from the European Commission – Intra-European Fellowships (IEF ; FP7-PEOPLE-IEF-2008)

2007-2008

Post-Doc Research Fellowship from the French Ministry for Foreign and European Affairs – Lavoisier/EGIDE

2006

PhD Research Fellowship from the Foundation ‘Treilles’

2004-2005

PhD Research Fellowship from the ‘Institut de France’

 

Publications

[78] Cristofari R., Davis L., Bardon G., Fernandes F., Figueroa M.E., Franzenburg S., Gauthier-Clerc M., Grande F., Heidrich R., Hukkanen M., Le Maho Y., Ollikainen M., Paciello E., Rampal P., Stenseth N.C., Trucchi E., Zahn S., *Le Bohec C. & *Meyer B.S. (bioRxiv Sep. 2024) Sedentary life accelerates epigenetic ageing in King penguins. BioRxiv preprint, doi: https://doi.org/10.1101/2024.09.24.614416

[77] Barracho T., Bardon G., Choquet R., Houstin A., Winterl A., Beaulieu M., Blanchard P., Cornet C., Cristofari R., Raclot T., Richter S., Chatelain N., Courtecuisse J., Brucker M., Zitterbart D.P., *Lecomte N. & *Le Bohec C. (bioRxiv Aug. 2024) Declining juvenile survival of Adélie penguins in Antarctica. BioRxiv preprint, doi: https://doi.org/10.1101/2024.08.23.609289

[76] León F., Le Bohec C., Pizarro E.J., Baille L., Cristofari R., Houstin A., Zitterbart D.P., Barriga G., Poulin E., Vianna J.A. (bioRxiv Sep. 2024) Highly Pathogenic Avian Influenza A (H5N1) Suspected in penguins and shags on the Antarctic Peninsula and West Antarctic Coast. BioRxiv preprint, doi: https://doi.org/10.1101/2024.03.16.585360

[75] Krüger L., Vianna J.A., Le Bohec C., Cárdenas C.A. (bioRxiv Sep. 2023) A tipping point in West Antarctica in 2023's circumpolar 5-sigma event? a glimpse from the emperor penguin's perspective. BioRxiv preprint, doi: https://doi.org/10.1101/2023.09.28.559910

[74] Trucchi E., Massa P., Giannelli F., Fernandes F.A.N., Ancona L., Stenseth N.C., Ferrer Obiol J., Paris J., Bertorelle G., Le Bohec C. (bioRxiv Aug. 2023) Gene expression is the main driver of purifying selection in large penguin populations. BioRxiv preprint, doi: https://doi.org/10.1101/2023.08.08.552445

[73] Paris J.R., Fernandes F.A.N., Pirri F., Greco S., Gerdol M., Pallavicini A., Benoiste M., Cornec C., Zane L., Haas B., *Le Bohec C. & *Trucchi E. (2024) Gene expression shifts in Emperor penguin adaptation to the extreme Antarctic environment, Molecular Ecology, 0:e17552, https://doi.org/10.1111/mec.17552.

[72] Robin J.-P., Bardon G., Bertile F., Carette P., Cillard A., Lenourry L., Le Bohec C. (2024) When the King penguin meets macroplastics: A first case reported in the Crozet archipelago, Southern Indian Ocean, Marine Pollution Bulletin, 209, 117093, https://doi.org/10.1016/j.marpolbul.2024.117093.

[71] Winterl A., Richter S., Houstin A., Barracho T., Boureau M., Cornec C., Couet D., Cristofari R., Eiselt C., Fabry B., Krellenstein A., Mark C., Mainka A., Ménard D., Morinay J., Pottier S., Schloesing E., *Le Bohec C. & *Zitterbart D.P. (2024) Remote sensing of emperor penguin abundance and breeding success, Nature Communications, 15(1), 4419, https://doi.org/10.1038/s41467-024-48239-8.

[70] LaRue M., Iles D., Labrousse S., Fretwell P., Ortega D., Devane E., Horstmann I., Viollat L., Foster-Dyer R., Le Bohec C., Zitterbart D., Houstin A., Richter S., Winterl A., Wienecke B., Salas L., Nixon M., Barbraud C., Kooyman G., Ponganis P., Ainley D., Trathan P., Jenouvrier S. (2024) Advances in remote sensing of emperor penguins: first multi-year time series documenting trends in the global population, Proceedings of the Royal Society B: Biological Sciences, 291, 20232067, https://doi.org/10.1098/rspb.2023.2067.

[69] Bardon G., Cristofari R., Winterl A., Barracho T., Benoiste M., Ceresa C., Chatelain N., Courtecuisse J., Fernandes F.A.N., Gauthier-Clerc M., Gendner J.-P., Handrich Y., Houstin A., Krellenstein A., Lecomte N., Salmon C.E., Trucchi E., Vallas B., Wong E., *Zitterbart D.P. & *Le Bohec C. (2023) RFIDeep: Unfolding the potential of deep learning for radio-frequency identification. Methods in Ecology and Evolution.

[68] Gutt J., Arndt S., Barnes D.K.A., Bornemann H., Brey T., Eisen O., Flores H., Griffiths H., Haas C., Hain S., Hattermann T., Held C., Hoppema M., Isla E., Janout M., Le Bohec C., Link H., Mark F.C., Moreau S., Trimborn S., van Opzeeland I., Pörtner H.-O., Schaafsma F., Teschke K., Tippenhauer S., Van de Putte A., Wege M., Zitterbart D., and Piepenburg, D. (2022) Reviews and syntheses: A framework to observe, understand and project ecosystem response to environmental change in the East Antarctic Southern Ocean, Biogeosciences, 19, 5313-5342.

[67] Pirri F., Ometto L., Fuselli S., Fernandes F.A.N., Ancona L., Perta N., Di Marino D., Le Bohec C., Zane L., Trucchi E. (2022) Selection-driven adaptation to the extreme Antarctic environment in the Emperor penguin, Heredity, 129(6), 317-326.

[66] Houstin A., Zitterbart D.P., Heerah K., Eisen O., Planas-Bielsa V., Fabry B., Le Bohec C. (2022) Juvenile emperor penguin range calls for extended conservation measures in the Southern Ocean, Royal Society Open Science, 9, 211708.

[65] Leistenschneider C., Le Bohec C., Eisen O., Houstin A., Neff S., Primpke S., Zitterbart D.P., Burkhardt-Holm P., Gerdts G. (2022) No evidence of microplastic ingestion in emperor penguin chicks (Aptenodytes forsteri) from the Atka Bay colony (Dronning Maud Land, Antarctica), Science of The Total Environment, 851: 158314.

[64] Houstin A., Zitterbart D.P., Winterl A., Richter S., Planas-Bielsa V., Chevallier D., Ancel A., Fournier J., Fabry B., Le Bohec C. (2022) Biologging of emperor penguins - attachment techniques and associated deployment performance, PLoS ONE, 17(8), e0265849.

[63] Noll D., Leon F., Brandt D., Pistorius P., Le Bohec C., Bonadonna F., Trathan P.N., Barbosa A., Raya Rey A., Dantas G.P.M., Bowie R.C.K., Poulin E., Vianna J.A. (2022) Positive selection over the mitochondrial genome and its role in the diversification of gentoo penguins in response to adaptation in isolation, Scientific Reports, 12, 3767.

[62] Kriesell H.J., Aubin T., Planas-Bielsa V., Schull Q., Bonadonna F., Cornec C., Le Maho Y., Troudet L., Le Bohec C. (2021) How king penguins advertise their sexual maturity, Animal Behaviour, 177, 25-267.

[61] Enstipp M.R., Bost C.-A., Le Bohec C., Chatelain N., Weimerskirch H., Handrich Y. (2021) The early life of king penguins: ontogeny of dive capacity and foraging behaviour in an expert diver, Journal of Experimental Biology, 224(12), jeb242512.

[60] Winterl A., Richter S., Houstin A., Nesterova A.P., Bonadonna F., Schneider W., Fabry B., Le Bohec C., Zitterbart D.P. (2020) micrObs – A customizable time-lapse camera for ecological studies, HardwareX, 8, e00134.

[59] Vianna J.A., Fernandes F.A.N., Frugone M.J., Figueiró H.V., Pertierra L.R., Noll D., Bi K., Wang-Claypool C.Y., Lowther A., Parker P., Le Bohec C., Bonadonna F., Wienecke B., Pistorius P., Steinfurth A., Burridge C.P., Dantas G.P.M., Poulin E., Simison W.B., Henderson J., Eizirik E., Nery M.F., Bowie R.C.K. (2020) Genome-wide analyses reveal drivers of penguin diversification, Proceedings of the National Academy of Sciences, 36, 22303-22310.

[58] Pertierra L.R., Segovia N.I., Noll D., Martinez P.A., Pliscoff P., Barbosa A., Aragón P., Rey A.R., Pistorius P., Trathan P., Polanowski A., Bonadonna F., Le Bohec C., Bi K., Wang-Claypool C.Y., Gonzalez-Acuña D., Dantas G.P.M., Bowie R.C.K., Poulin E., Vianna J.A. (2020) Cryptic speciation in gentoo penguins is driven by geographic isolation and regional marine conditions: Unforeseen vulnerabilities to global change. Diversity and Distributions. DOI: 10.1111/ddi.13072.

[57] Levy H., Fiddaman S.R., Vianna J.A., Noll D., Clucas G.V., Sidhu J.K.H., Polito M.J., Bost C.A., Phillips, R.A., Crofts S., Miller G.D., Pistorius P., Bonadonna F., Le Bohec C., Barbosa A., Trathan P., Rey A.R., Frantz L.A.F., Hart T., Smith A.L. (2020) Evidence of pathogen-induced immunogenetic selection across the large geographic range of a wild seabird. Molecular Biology and Evolution, 37(6), 1708-1726.

[56] Kriesell H.J., Le Bohec C., Cerwenka A.F., Hertel M., Robin J.P., Ruthensteiner B., Gahr M., Aubin T., Düring D.N. (2020) Vocal tract anatomy of king penguins: morphological traits of two-voiced sound production, Frontiers in Zoology, 17, 5.

[55] Kennicutt II M.C., Bromwich D., Liggett D., Njåstad B., Peck L., Rintoul S.R., Ritz C., Siegert M.J., Aitken A., Brooks C.M., Cassano J., Chaturvedi S., Chen D., Dodds K., Golledge N.R., Le Bohec C., Leppe M., Murray A., Nath C.P., Raphael M.N., Rogan-Finnemore M., Schroeder D.M., Talley L., Travouillon T., Vaughan D.G., Weatherwax A.T., Chown S.L. (2019) Sustained Antarctic Research - a 21st Century Imperative, One Earth, 1(1), 95-113.

[54] Trathan P.N., Wienecke B., Barbraud C., Jenouvrier S., Kooyman G., Le Bohec C., Ainley D.G., Ancel A., Zitterbart D.P., Chown S.L., LaRue M., Cristofari R., Younger J., Clucas G., Bost C.-A., Brown J.A., Gillett H.J., Fretwell P.T. (2020) The emperor penguin - Vulnerable to projected rates of warming and sea ice loss, Biological Conservation, 241, 108216.

[53] Gerum R.C., Richter S., Winterl A., Mark C., Fabry B., Le Bohec C., Zitterbart D.P. (2019) CameraTransform: A Python package for perspective corrections and image mapping, Software X, 10, 100333.

[52] Enstipp M.R., Bost C.-A., Le Bohec C., Bost C., Laesser R., Le Maho Y., Weimerskirch H., Handrich Y. (2019) The dive performance of immature king penguins following their annual molt suggests physiological constraints, Journal of Experimental Biology, 222(20), jeb208900.

[51] Dantas G.P.M., Oliveira L.R., Santos A.M., Flores M.D., de Melo D.R., Simeone A., Gonzalez-Acuña, Luna-Jorquera G., Le Bohec C., Valdés-Velasquez A., Cardeña M., Morgante J.S., Vianna J.A. (2019) Uncovering population structure in the Humboldt penguin (Spheniscus humboldti) along the Pacific coast at South America. PLoS ONE 14(5): e0215293.

[50] Trucchi E., Cristofari R., Le Bohec C. (2019) Reply to: ‘The role of ocean dynamics in king penguin range estimation’, Nature Climate Change, 9(2): 122.

[49] Eckbo N., Le Bohec C., Planas-Bielsa V., Warner N.A., Schull Q., Herzke D., Zahn S., Haarr A., Gabrielsen G.W., Borgå K. (2019) Individual variability in contaminants and physiological status in a resident Arctic seabird species, Environmental Pollution, 249, 191-199.

[48] Cristofari R., Plaza P., Fernández C.E., Trucchi E., Gouin N., Le Bohec C., Zavalaga C., Alfaro-Shigueto J., Luna-Jorquera G. (2019) Unexpected population fragmentation in an endangered seabird: the case of the Peruvian diving-petrel, Scientific Reports, 9(1): 2021.

[47] Villa S.M., Koop J.A.H., Le Bohec C., Clayton D.H. (2018) Beak of the pinch: anti-parasite traits are similar among Darwin’s finch species, Evolutionary Ecology, 32(5): 443-452.

[46] Richter S., Gerum R., Winterl A., Houstin A., Seifert M., Peschel J., Fabry B., Le Bohec C., Zitterbart D.P. (2018) Phase transitions in huddling emperor penguins. Journal of Physics D: Applied Physics, 51(21): 214002.

[45] Gerum R., Richter S., Fabry B., Le Bohec C., Bonadonna F., Nesterova A., Zitterbart D.P. (2018) Structural organisation, liquid disorder and glassy dynamics in king penguin colonies,  Journal of Physics D: Applied Physics, 51(16): 164004.

[44] Richter S., Gerum R., Schneider W., Fabry B., Le Bohec C., Zitterbart D.P. (2018) A remote-controlled observatory for behavioural and ecological research: A case study on emperor penguins. Methods in Ecology and Evolution, 9(5), 1168-1178.

[43] Kriesell H.J., Aubin T., Planas-Bielsa V., Benoiste M., Bonadonna F., Gachot-Neveu H., Le Maho Y., Schull Q., Vallas B., Zahn S., Le Bohec C. (2018) Sex identification in King Penguins Aptenodytes patagonicus through morphological and acoustic cues. Ibis, 160(4): 755-768.

[42] Cristofari R., Liu X., Bonadonna F., Cherel Y., Pistorius P., Le Maho Y., Raybaud V., Stenseth N.C., *Le Bohec C. & *Trucchi E. (2018) Climate-driven range shifts of King Penguins in a fragmented ecosystem. Nature Climate Change, 8, 245-251.

[41] Enstipp M. R., Bost C.-A., Le Bohec C., Bost C., Le Maho Y., Weimerskirch H., Handrich Y. (2017) Apparent changes in body insulation of juvenile king penguins suggest an energetic challenge during their early life at sea, Journal of Experimental Biology, 220, 2666-2678.

[40] Chown S.L., Brooks C.M., Terauds A., Le Bohec C., van Klaveren-Impagliazzo C., Whittington J.D., Butchart S.H.M., Coetzee B.W.T., Collen B., Convey P., Gaston K.J., Gilbert N., Gill M., Höft R., Johnston S., Kennicutt II M.C., Kriesell H.J., Le Maho Y., Lynch H.J., Palomares M., Puig-Marcó R., Stoett P., McGeoch M.A. (2017) Antarctica and the strategic plan for biodiversity, PLoS Biol, 15(3): e2001656.

[39] Vianna J.A., Noll D., Dantas G.P.M., Petry M.V., Barbosa A., González-Acuña D., Le Bohec C., Bonadonna F., Poulin E. (2017) Marked phylogeographic structure of Gentoo penguin reveals an ongoing diversification process along the Southern Ocean, Molecular Phylogenetics and Evolution, 107, 486-498.

[38] Cristofari R., Bertorelle G., Ancel A., Benazzo A., Le Maho Y., Ponganis P.J., Stenseth N.C., Trathan P.N., Whittington J.D., Zanetti E., Zitterbart D.P., *Le Bohec C. & *Trucchi E. (2016) Full circumpolar migration ensures evolutionary unity in the Emperor penguin, Nature Communications, 7, 11842.

[37] Le Vaillant M., Ropert-Coudert Y., Le Maho Y., Le Bohec C. (2016) Individual parameters shape foraging activity in breeding king penguins, Behavioral Ecology, 27(1), 352-362.

[36] Le Vaillant M., Viblanc V.A., Saraux C., Le Bohec C., Le Maho Y., Kato A., Criscuolo F., Ropert-Coudert Y. (2015) Telomere length reflects individual quality in free-living adult king penguins, Polar Biology, 38 (12), 2059-2067.

[35] Cristofari R., Trucchi E., Whittington J.D., Vigetta S., Gachot-Neveu H., Stenseth N.C., Le Maho Y., Le Bohec C. (2015) Spatial heterogeneity as a genetic mixing mechanism in highly philopatric colonial seabirds, PLoS ONE 10(2): e0117981.

[34] Bordier C., Saraux C., Viblanc V.A., Gachot-Neveu H., Beaugey M., Le Maho Y., Le Bohec C. (2014) Inter-annual variability of fledgling sex ratio in king penguins, PLoS ONE 9(12): e114052. 

[33] Le Maho Y., Whittington J.D., Hanuise N., Pereira L., Boureau M., Brucker M., Chatelain N., Courtecuisse J., Crenner F., Friess B., Grosbellet E., Kernaléguen L., Olivier F., Saraux C., Vetter N., Viblanc V.A., Thierry B., Tremblay P., Groscolas R., Le Bohec C. (2014) Rovers to minimize human disturbance in research on wild animals, Nature Methods, 11(12), 1242-1244.

[32] Ancel A., Cristofari R., Fretwell P.T., Trathan P.N., Wienecke B., Boureau M., Morinay J., Le Maho Y., Le Bohec C. (2014) Emperors in Hiding: When Ice Breakers and Satellites Complement Each Other in Antarctic Exploration, PLoS ONE, 9(6): e100404.

[31] Trucchi E., Gratton P., Whittington J.D., Cristofari R., Le Maho Y., Stenseth N.C., Le Bohec C. (2014) King penguin demography since the last glaciation inferred from genome-wide data, Proceedings of the Royal Society London B, 281, 20140528.

[30] Koop J.A.H., Le Bohec C., Clayton D.H. (2013) Dry year does not reduce invasive parasitic fly prevalence or abundance in Darwin’s finch nests, Reports in Parasitology, 3, 11-17.

[29] Villa S.M., Le Bohec C., Koop J.A.H., Proctor H.C., Clayton D.H. (2013) Diversity of feather mites (Acari: Astigmata) on Darwin's finches, Journal of Parasitology, 99, 756-762.

[28] Le Vaillant M., Le Bohec C., Prud’Homme O., B. Wienecke, Le Maho Y., Kato A., Ropert-Coudert Y. (2013) Effect of age, sex and experience on foraging strategies in long-lived birds, Marine Biology, 160, 1147-1156.

[27] Pettex E., Lorentsen S.H., Grémillet D., Gimenez O., Barrett R.T., Pons J.-P., Le Bohec C., Bonadonna F. (2012) Multi-scale foraging variability in Northern gannet (Morus bassanus) fuels potential foraging plasticity, Marine Biology, 159, 2743-2756.

[26] Le Vaillant M., Wilson R.P., Kato A., Saraux C., Hanuise N., Prud’Homme O., Le Maho Y., *Le Bohec C. & *Ropert-Coudert Y. (2012) King penguins adjust their diving behaviour with age, Journal of Experimental Biology, 215, 3685-3692.

[25] Saraux C., Friess B., Le Maho Y., Le Bohec C. (2012) Chick-provisioning strategies used by king penguins to adapt to a multiseasonal breeding cycle, Animal Behaviour, 84, 675-683.

[24] Le Maho Y., Saraux C., Durant J.M., Viblanc V.A., Gauthier-Clerc M., Yoccoz N.G., Stenseth N.C., Le Bohec C. (2011) An ethical issue in biodiversity science: The monitoring of penguins with flipper bands, Comptes Rendus Biologies, 334, 378-384.

[23] Saraux C., Viblanc V.V., Hanuise N., Le Maho Y., Le Bohec C. (2011) Effects of Individual Pre-Fledging Traits and Environmental Conditions on Return Patterns in Juvenile King Penguins, PloS One, 6, e20407.

[22] Saraux C., Le Bohec C., Durant J.M., Viblanc V.A., Gauthier-Clerc M., Beaune D., Park Y.H., Yoccoz N.G., Stenseth N.C., Le Maho Y. (2011) Reliability of flipper-banded penguins as indicators of climate change, Nature, 469, 203-206.

[21] Nesterova A., Le Bohec C., Beaune D., Pettex E., Le Maho Y., Bonadonna F. (2010) Do penguins dare to walk at night? Visual cues influence king penguin colony arrivals and departures, Behavioral Ecology and Sociobiology, 64, 1145-1156.

[20] Guinard G., Marchand D., Courant F., *Gauthier-Clerc M. & *Le Bohec C. (2010) Morphology, ontogenesis and mechanics of cervical vertebrae in four species of penguins (Aves: Spheniscidae), Polar Biology, 33, 807-822.

[19] Chang C.-M., Lebarbenchon C., Gauthier-Clerc M., Le Bohec C., Beaune D., Le Maho Y., Thomas F., Renaud F., van der Werf S. (2009) Molecular Surveillance for avian influenza A virus in king penguins (Aptenodytes patagonicus), Polar Biology, 32, 663-665.

[18] Pichegru L., Ryan P.G., Le Bohec C., van der Lingen C.D., Navarro R., Petersen S., Lewis S., van der Westhuisen J., Grémillet D. (2009) Spatial and temporal overlap between vulnerable top predators feeding hotspots and fisheries in the Benguela upwelling system: implications for the design of marine protected areas, Marine Ecology Progress Series, 391, 199-208.

[17] Beaune D., Le Bohec C., Lucas F., Gauthier-Clerc M., Le Maho Y. (2009) Stomach stones in king penguin chicks, Polar Biology, 32, 593-597.

[16] Descamps S., Le Bohec C., Gauthier-Clerc M., Gendner J.-P.,Le Maho Y. (2009) Relating demographic performance to breeding site location in the King Penguins, The Condor, 111, 81-87.

[15] Le Bohec C., Durant J.M., Gauthier-Clerc M., Stenseth N., Park Y.H., Pradel R., Grémillet D., Gendner J.-P., Le Maho Y. (2008) Reply to Barbraud et al.: King penguin population threatened by Southern Ocean warming, Proceedings of National Academy of Sciences, Washington 105, E39; 10.1073/pnas.0803656105.

[14] Le Bohec C., Durant J.M., Gauthier-Clerc M., Stenseth N., Park Y.H., Pradel R., Grémillet D., Gendner J.-P., Le Maho Y. (2008) King Penguin population threatened by the Southern Ocean Warming, Proceedings of National Academy of Sciences USA, 105, 2493-2497.

[13] Nicolaus M., Le Bohec C., Nolan M.P., Gauthier-Clerc M., Le Maho Y., Komdeur Y., Jouventin P. (2007) Ornamental colors reveal age in the king penguin, Polar Biology, 31, 53-61.

[12] Le Bohec C., Gauthier-Clerc M., Grémillet D., Pradel R., Béchet A., Gendner J.-P., Le Maho Y. (2007) Population dynamics in a long-lived seabird : I. Impact of breeding activity on survival and breeding probability in unbanded king penguins, Journal of Animal Ecology, 76(6), 1149-1160.

[11] McCoy K.D., Chapuis E., Tirard C., Boulinier T. Michalakis Y., Le Bohec C., Le Maho Y., Gauthier-Clerc M. (2006) Recurrent evolution of host-specialized races in a globally-distributed parasite, Proceedings of the Royal Society London B, 272(1579), 2389-2395.

[10] Viera V.M., Le Bohec C., Côté S.D., Groscolas R. (2006) Massive breeding failures following a tsunami in a colonial seabird, Polar Biology, 29(8), 713-716.

[9] Gendner J.-P., Gauthier-Clerc M., Le Bohec C., Descamps S., Le Maho Y. (2005) A new application for transponders in population dynamics of penguins, Journal of Field Ornithology, 76(2), 138-142.

[8] Descamps S., Gauthier-Clerc M., Le Bohec C., Gendner J.-P., Le Maho Y. (2005) Impact of predation on King penguin Aptenodytes patagonicus in Crozet archipelago, Polar Biology, 28(4), 303-310.

[7] Le Bohec C., Gauthier-Clerc M., Le Maho Y. (2005) The adaptive significance of crèches in the king penguin, Animal Behaviour, 70(3), 527-538.

[6] Gauthier-Clerc M., Gendner J.-P., Ribic C. A., Fraser W. R., Woehler E. J., Gilly C., Descamps S., Le Bohec C., Le Maho Y. (2004) Long-term effects of flipper-bands on penguins, Proceedings of the Royal Society London B, 271, S423–S426.

[5] Thouzeau C., Peter G., Le Bohec C., Le Maho Y. (2004) Adjustments of gastric ph, motility and temperature during long-term preservation of stomach contents in free-ranging incubating king penguins, Journal of Experimental Biology, 207(51), 2715-2724.

[4] Scheifler R., Gauthier-Clerc M., Le Bohec C., Crini N., Cœurdassier M., Badot P.-M., Giraudoux P., Le Maho Y. (2004) Mercury concentrations in King Penguin (Aptenodytes patagonicus) feathers at Crozet Islands (sub-Antarctic): comparison between contemporary (2000-2001) and historical (1966-1974) samples, Environmental Toxicology and Chemistry, 24(1), 125-128.

[3] Thouzeau C., Le Maho Y., Froget G., Sabatier L., Le Bohec C., Hoffmann J., Bulet P. (2003) Spheniscins, Avian ß-Defensins in Preserved Stomach Contents of the King Penguin, Journal of Biological Chemistry, 278(51), 51053-51058.

[2] Gauthier-Clerc M., Mangin S., Le Bohec C., Gendner J.-P., Le Maho Y. (2003) Comparison of behaviour, body mass, hematocrit level and site fidelity between infested and non-infested King penguin Aptenodytes patagonicus by ticks Ixodes uriae, Polar Biology, 26, 379-382.

[1] Le Bohec C., Gauthier-Clerc M., Gendner J.-P., Chatelain N., Le Maho Y. (2003) Nocturnal predation of King penguin by giant petrels on Crozet Islands, Polar Biology, 26(9), 587-590.

 

Books’ Chapters

[7] Le Bohec C. (2022) ‘Biodiversité antarctique : un endémisme et des adaptations extraordinaires menacés’ et ‘Enjeux   et dispositifs de protection des écosystèmes antarctiques’ dans ‘Le Livre Vert 2022’ (Editions Le Pommier/Emeric Challier), 8-11 et 97-98.

[6] Le Bohec C. (2019) ‘Les manchots : joyaux de l’évolution menacés’ dans ‘L’Atlas des Nouveaux Mondes’ (édition CNRS/Le Cherche Midi), 56-57.

[5] Le Bohec C. & Planas-Bielsa V. (2017) Objets connectés et embarqués sur les animaux sauvages, Les Big data à découvert (édition CNRS), pp. 176-177.

[4] Le Bohec C., Whittington J.D., & Le Maho Y. (2013) Polar Monitoring: Seabirds as Sentinels of Marine Ecosystems, in 'Adaptation and Evolution in Marine Environments'. Volume 2. From Pole to Pole. (édition C. Verde and G. di Prisco). DOI: 10.1007/978-3-642-27349-0_11, Springer-Vergal Berlin Heidelberg.

[3] Le Bohec C. & Le Maho Y. (2013) Suivre l’évolution de la biodiversité polaire : un défi scientifique et technique, Le développement durable à découvert (édition CNRS), pp. 92-93.

[2] Le Maho Y., Friess B. & Le Bohec C. (2011) Les Observatoires du Vivant, Le climat à découvert – Outils et méthodes en recherche climatique, Edition CNRS, 104-105.

[1] Le Maho Y., Le Bohec C., Gauthier-Clerc M. & Grémillet D. (2006) Comment les oiseaux marins font face aux conséquences des changements climatiques, L’homme face au climat - Symposium annuel (édition Odile Jacob), 205-226.

Jean-Yves BARNAGAUD

CEFE- RDC, Aile B, bureau 3

33(0)467633265

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RESEARCH

My research is framed around a comparative exploration of the role of multiple environmental drivers in shaping species distributions and diversity at multiple spatial and temporal scales. Most of my research is structured on the combined use of ecoinformatics methods (statistical analysis of large data sets) and naturalist expertise to understand empirical patterns of community composition in space and time. My main active axes of research include :  

- functional biogeography of seabirds in the Southern ocean. I try to explain and predict the composition of seabird assemblages with spatial models calibrated with environmental factors, trophic interactions and species traits. The project relies on a large-scale bird counts protocol from ships and statistical model of multiple data types. See the C-BIRDS project and thesis.

-  understanding spatial patterns of vertebrates distributions and assemblage compositions. Relying on various opportunistic or protocoled data sources at multiple spatial scales, I investigate the determinants of spatial patterns in vertebrate distributions and assemblage composition through spatial models based on proxies of historical and contemporary processes. See for instance he MALPOLON database.

- Ecoacoustics and community ecology. Several active projects focus on the relationship between bird community composition and the characteristics of soundscapes at multiple spatial and temporal scales, in order to explore the acoustic environment in which species interact and its changes with current land-use and climatic dynamics. See the ACOUCENE project (2022 - 2025, FRB/CESAB)

COLLABORATIVE WORK 

Most of my interactions with biodiversity stakeholders are focused on data analysis to answer questions relative to the monitoring of human impacts on biodiversity at a regional or landscape scale.

- Ecological data analysis. I am involved in initiatives to foster interactions between scientific and non scientific stakeholders with respect to data-based ecological monitoring and expertise. See the website of the CISSTAT network. 

- Analysis of land use influences on common bird assemblages in southern France. I investigate the impact of land use and habitats on the temporal dynamics of local bird assemblages with opportunistic and protocoled data (collaborations with the Ligue pour la Protection des Oiseaux - PACA). 

- Wildlife road casualties. I work with the Ligue pour la Protection des Oiseaux and the CEREMA to explain and predict spatial patterns in road casualites. We exploit jointly multiple sources of protocoled, non-protocoled and citizen science data to identify mortality hotspots and explanatory factors, with the final aim to inform public policies on the mitigation of traffic impact on vertebrates. See the final report of the COCPITT project (2020-2023).

 - Interacting imprints of climate change and land use on biodiversity. Using multiple taxa and scales, I investigate how species' responses to historical and present land use change interact with their responses to climate change. See the LANDBIO project (2022 - 2023, OFB - french ministry of ecology)

 

TEACHING

Most of my teaching activity is embedded within the program of the Ecole Pratique des Hautes Etudes.

- Data analysis for ecologist : a three-weeks course dedicated to biodiversity stakeholders, framed on the practical use of statistical methods and the R software in ecological monitoring. 

- Environmental law and policy : I drive a one-week course to introduce environmental public policies to scientific ecologists, involving speakers from various authorities and decision levels and practical training to improve students' written and verbal interactions with non-scientific stakeholders.

- Methods for ecological monitoring : a two-weeks course with Aurélien Besnard, mainly dedicated to master students and biodiversity stakeholders, to improve their skills and critical thinking in advanced numerical methods for ecology, including species distribution modeling, population dynamics, sampling design and analysis of diversity indices.

- Environmental changes and ecological science : I contribute to several courses on global changes and environmental monitoring. My teaching is focused on the interactions between science and society through several lenses including epistemology and governance / spatial planning.

  


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