Evolutionary Demography Group

Members

Keywords: Aging - Behavioural Ecology - Climate Change - Conservation Biology - Comparative analyses - Demography - Eco-Evolutionary dynamics - Ecotoxicology - Ecophysiology - Epidemiology – Integrative Biology - Life History Traits - Movement Ecology - Parasitism - Population Dynamics - Wildlife Management

Overview: Our research aims to understand how ecology and evolution shape both the demography and the health of vertebrate populations in the wild, and in turn, how the demographic processes are determining the strength of trait selection. To reach these objectives, we are bridging conceptual and methodological advances from population ecology, evolution, demography, epidemiology and statistics. As our study models are vertebrate species with high societal value, our research projects are often led in collaboration with the Office Français de la Biodiversité (OFB) and have an explicit applied component to improve the exploitation or the conservation of the targeted species.

Research axes:

  • Quantifying the amount and the shape of individual heterogeneity in vertebrate populations in the wild, as well as its role in demographic and eco-evolutionary processes (with a special focus on mammals)
  • Identifying and assessing the relative influence of the environmental (i.e. weather conditions, population density, habitat quality, predation, diseases, interspecific competition and anthropic pressure), evolutionary (e.g. phylogenetic inertia, lifestyle, size, and life history strategy), and individual (e.g. age, sex, or size) attributes that shape the diversity of individual trajectories, within and among populations of vertebrates
  • Identifying population responses to global change, from phenotypic traits to demographic outputs such as population growth, age-structure and generation time
  • Quantifying the magnitude of the sex-differences in trait-specific trajectories (with a special focus on the senescence process) and identifying the eco-evolutionary roots of these differences
  • Identifying the genetic and physiological markers of aging for mammalian populations in the wild
  • Exploring the evolutionary causes and consequences of actuarial and reproductive aging in the wild
  • Assessing the health, demographic, and evolutionary implications of physiological stress at the individual level and quantifying their impact on population dynamics
  • Determining the physiological and demographic implications of toxic pollutants for mammals in the wild
  • Measuring health, behavioral, and demographic consequences of parasitism exposure
  • Providing tools for the development of reliable predictions for population forecast of mammals with a high societal value


Biological models: Our research mostly relies on the long-term monitoring of mammalian populations in the wild. Thanks to a long-term collaboration with the OFB, we are collecting individual longitudinal data on a wide array of traits for more than 40 years for roe deer (Chizé and Trois-Fontaines study areas, France). Other ongoing long-term programs are focused on the Alpine marmot (Réserve de la Grande Sassière, France), Mouflon (Caroux-Espinouse massif, France), Wild boar (Châteauvillain, France), and Giraffe (Hwange, Zimbabwe).

Publications

Display of 631 to 660 publications on 768 in total

Seroprevalence and factors associated with Toxoplasma gondii infection in wild boar ( Sus scrofa) in a Mediterranean island.

Céline Richomme, Eve Afonso, V. Tolon, Christian Ducrot, Lénaig Halos, Annie Alliot...

Epidemiology and Infection . 138 ( 9 ) : 1257-1266

DOI: 10.1017/S0950268810000117

Journal article

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Transmission dynamics of Toxoplasma gondii along an urban–rural gradient

M. Lélu, Michel Langlais, Marie-Lazarine Poulle, Emmanuelle Gilot-Fromont

Theoretical Population Biology . 78 : 139-147

DOI: 10.1016/j.tpb.2010.05.005

Journal article

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Size-assortative pairing in Gammarus pulex (Crustacea: Amphipoda): a test of the prudent choice hypothesis.

Nathalie Franceschi, Jean-François Lemaître, Frank Cézilly, Loïc Bollache

Animal Behaviour . 79 ( 4 ) : 911-916

DOI: 10.1016/j.anbehav.2010.01.002

Journal article

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Costs and benefits of colony size vary during the breeding cycle in Black-headed Gulls

Guillaume Péron, Jean-Dominique Lebreton, Pierre-André Crochet

Journal für Ornithologie = Journal of Ornithology . 151 ( 4 ) : 881-888

DOI: 10.1007/s10336-010-0526-8

Journal article

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Modeling the global fishmeal and fish oil markets

Christian Mullon, Jean-François Mittaine, Olivier Thébaud, Guillaume Péron, Gorka Merino, Manuel Barange

Natural Resource Modeling . 22 ( 4 ) : pp.564-609

DOI: 10.1111/j.1939-7445.2009.00053.x

Journal article

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Chapitre 9. Impact des tempêtes de 1999 sur les relations entre forêt et chevreuils et conséquences pour la gestion de ces ongulés

Patrick Duncan, Maryline Pellerin, Jean-Michel Gaillard, Nathalie Pettorelli, François Klein, Sonia Said...

La forêt face aux tempêtes . : 121-130

Book chapter

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Poor horse traders: large mammals trade survival for reproduction during the process of feralization.

Sophie Grange, Patrick Duncan, Jean-Michel Gaillard

Proceedings of the Royal Society B: Biological Sciences . 276 ( 1663 ) : 1911-1919

DOI: 10.1098/rspb.2008.1828

Journal article

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Contrasted patterns of age-specific reproduction in long-lived seabirds

M. Berman, Jean-Michel Gaillard, Henri Weimerskirch

Proceedings of the Royal Society B: Biological Sciences . 276 ( 1655 ) : 375-382

DOI: 10.1098/rspb.2008.0925

Journal article

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Heterozygosity-Fitness Correlations Revealed By Neutral And Candidate Gene Markers In Roe Deer From A Long-Term Study

A. da Silva, J. M. Gaillard, N. G. Yoccoz, A. J. M. Hewison, M. Galan, T. Coulson...

Evolution - International Journal of Organic Evolution . 63 ( 2 ) : 403-417

DOI: 10.1111/j.1558-5646.2008.00542.x

Journal article

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Factors affecting beech bark stripping by red deer (Cervus elaphus) in a mixed forest

C. Saint Andrieux, C. Bonenfant, M. Basille, C. Toïgo, F. Klein

Wildlife Biology . 15 : 187-196

Journal article

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Empirical Evidence of Density Dependence in Populations of Large Herbivores

C. Bonenfant, J.-M. Gaillard, T. Coulson, M. Festa-Bianchet, A. Loison, M. Garel...

Advances in Ecological Research . 41 : 314-345

Journal article

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Age-dependent horn growth-survival relationship in wild sheep

C. Bonenfant, F. Pelletier, M. Garel, / Bergeron

Journal of Animal Ecology . 78 : 161-171

Journal article

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Genetic characterization of Toxoplasma gondii from wild boar (Sus scrofa) in France.

C. Richomme, D. Aubert, Emmanuelle Gilot-Fromont, Daniel Ajzenberg, Aurélien Mercier, Christian Ducrot...

Veterinary Parasitology . 164 ( 2-4 ) : epub ahead of print

DOI: 10.1016/j.vetpar.2009.06.014

Journal article

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Influence of artificial lights logs and erosion on leatherback sea turtle hatchling orientation at Pongara National Park Gabon

S. Bourgeois, Emmanuelle Gilot-Fromont, A. Viallefont, F. Boussambac, S.L. Deemd

Biological Conservation . 142 : 85-93

Journal article

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Sperm competition and brain size evolution in mammals

Jean-François Lemaître Lemaître, Steven A Ramm, Robert Barton, Paula Stockley

Journal of Evolutionary Biology . 22 ( 11 ) : 2215-2221

DOI: 10.1111/j.1420-9101.2009.01837.x

Journal article

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Sperm depletion, male mating behaviour and reproductive ‘time-out' in Gammarus pulex (Crustacea, Amphipoda).

Jean-François Lemaître, Thierry Rigaud, Stéphane Cornet, Loïc Bollache

Animal Behaviour . 77 : 49-54

DOI: 10.1016/j.anbehav.2008.08.028

Journal article

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Empirical Evidence of Density‐Dependence in Populations of Large Herbivores

Christophe Bonenfant, Jean-Michel Gaillard, Tim Coulson, Marco Festa-Bianchet, Anne Loison, Mathieu Garel...

Advances in Ecological Research . 41 : 313-357

DOI: 10.1016/S0065-2504(09)00405-X

Journal article

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Memory keeps you at home: a mechanistic model for home range emergence

B. van Moorter, D. Visscher, S. Benhamou, L. Börger, M-S. Boyce, Jean-Michel Gaillard

Oikos . 188 ( 5 ) : 641--652

DOI: 10.1111/j.1600-0706.2008.17003.x

Journal article

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What determines global positioning system fix success when monitoring free-ranging mouflon?

G. Bourgoin, M. Garel, D. Dubray, D. Maillard, J.-M. Gaillard

European Journal of Wildlife Research . 55 : 603-613

DOI: 10.1007/s10344-009-0284-1

Journal article

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Age-specific effect of heterozygosity on survival in alpine marmots, Marmota marmota.

Aurélie Cohas, Christophe Bonenfant, Bart Kempenaers, Dominique Allainé

Molecular Ecology . 18 ( 7 ) : 1491-503

DOI: 10.1111/j.1365-294X.2009.04116.x

Journal article

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Age-specific effect of heterozygosity on survival in alpine marmots Marmota marmota

A. Cohas, C. Bonenfant, B. Kempenaers, Dominique Allainé

Molecular Ecology . 18 : 1491-1503

Journal article

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Factors affecting beech Fagus sylvatica bark stripping by red deer Cervus elaphus in a mixed forest

Christine Saint-Andrieux, Christophe Bonenfant, Carole Toïgo, Mathieu Basille, François Klein

Wildlife Biology . 15 ( 2 ) : 187-196

DOI: 10.2981/07-100

Journal article

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Age-dependent relationship between horn growth and survival in wild sheep.

Christophe Bonenfant, Fanie Pelletier, Mathieu Garel, Patrick Bergeron

Journal of Animal Ecology . 78 ( 1 ) : 161-71

DOI: 10.1111/j.1365-2656.2008.01477.x

Journal article

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Are abundance indices derived from spotlight counts reliable to monitor red deer population?

M. Garel, C. Bonenfant, J.-L. Hamann, F. Klein, J.-M. Gaillard

Wildlife Biology . -- : 1249-1261

Journal article

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Empirical evidences of density-dependence in populations of large herbivores

C. Bonenfant, J.M. Gaillard, T. Coulson, M. Festa-Bianchet, A. Loison, M. Garel...

Advances in Ecological Research . 41 : 313-357

Journal article

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Dynamics of an introduced population of mouflon Ovis aries on the sub-Antarctic 2 archipelago of Kerguelen

R. Kaeuffer, C. Bonenfant, J.-L. Chapuis, S. Devillard

Ecography . -- : 1-29

Journal article

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Toxoplasma seroprevalence in a rural population in France: detection of a household effect

Emmanuelle Gilot-Fromont, B. Riche, Muriel Rabilloud

BMC Infectious Diseases . 9(76) : 36-40

Journal article

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Flock management and histomonosis in free-range turkeys in France: description and search for potential risk factors

Marie-Pierre Callait-Cardinal, Emmanuelle Gilot-Fromont, Ludovic Chossat, A. Gonthier, Claude Chauve, Lionel Zenner

Epidemiology and Infection . 138 ( 3 ) : 353–363

DOI: 10.1017/S0950268809990562

Journal article

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Landscape, herd management and within-herd seroprevalence of Toxoplasma gondii in beef cattle herds from Champagne-Ardenne, France

Emmanuelle Gilot, D. Aubert, S. Belkilani, P. Hermitte, O. Gibout, R. Geers...

Veterinary parasitology . 161 : 36-40

DOI: 10.1016/j.vetpar.2008.12.004

Journal article

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Landscape herd management and within-herd seroprevalence of TextitToxoplasma gondii in beef cattle herds from Champagne-Ardenne France

Emmanuelle Gilot-Fromont, D. Aubert, S. Belkilani, P. Hermitte, O. Gibout, R. Geers...

Veterinary Parasitology . 161 : 36-40

Journal article

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