Preprints récents
Articles publiés
Analyse mathématiques des phénomènes de propagation
J Garnier and P Lafontaine.
Life history traits and dispersal shape neutral genetic diversity in
metapopulations.
J. Math. Biol., 84(45), 2022.
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J Garnier and P Lafontaine.
Dispersal and good habitat quality promote neutral genetic diversity
in metapopulations.
Bull. Math. Biol., 83(20), 2021.
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L Roques, C Desbiez, K Berthier, S Soubeyrand, E Walker, E Klein, J Garnier,
B Moury, and J Papaix.
Emerging strains of watermelon mosaic virus in Southeastern France:
model-based estimation of the dates and places of introduction.
Sci. Rep., 11:7058, 2021.
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N G Marculis, J Garnier, R Lui, and M A Lewis.
Inside dynamics for stage-structured integrodifference equations.
J. Math. Biol., 80:157--187, 2020.
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E Bouin, J Garnier, C K Henderson, and F Patout.
Thin front limit of an integro--differential Fisher--KPP equation
with fat--tailed kernels.
SIAM J. Math. Anal., 50(3):3365--3394, 2018.
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J Garnier, F Hamel, and L Roques.
Transition fronts and stretching phenomena for a general class of
reaction-dispersion equations.
Discrete Contin. Dyn. Syst., 37(2):743--756, 2017.
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J Garnier and M A Lewis.
Expansion under climate change: The genetic consequences.
Bull. Math. Biol., 78(11):2165--2185, 2016.
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O Bonnefon, J Coville, J Garnier, F Hamel, and L Roques.
The spatio--temporal dynamics of neutral genetic diversity.
Ecol. Complex., 20:282--292, 2014.
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O Bonnefon, J Coville, J Garnier, and L Roques.
Inside dynamics of solutions of integro-differential equations.
Discrete Contin. Dyn. Syst. Ser. B, 19(10):3057--3085, 2014.
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O Bonnefon, J Garnier, F Hamel, and L Roques.
Inside dynamics of delayed traveling waves.
Math. Model. Nat. Phenom., 8:42--59, 2013.
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L Roques, J Garnier, F Hamel, and E Klein.
Allee effect promotes diversity in traveling waves of colonization.
Proc. Natl. Acad. Sci. U.S.A., 109:8828--8833, 2012.
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J Garnier, T Giletti, F Hamel, and L Roques.
Inside dynamics of pulled and pushed fronts.
J. Math. Pures Appl., 11:173--188, 2012.
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J Garnier, F Hamel, and L Roques.
Success rate of a biological invasion and the spatial distribution of
the founding population.
Bull. Math. Biol., 74:453--473, 2012.
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J Garnier, T Giletti, and G Nadin.
Maximal and minimal spreading speeds for reaction diffusion equations
in nonperiodic slowly varying media.
J. Dyn. Differ. Equ., 24:521--538, 2012.
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M Cristofol, J Garnier, F Hamel, and L Roques.
Uniqueness from pointwise observations in a multi-parameter inverse
problem.
Commun. Pure Appl. Anal., 11:173--188, 2012.
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J Garnier.
Accelerating solutions in integro-differential equations.
SIAM J. Math. Anal., 43:1955--1974, 2011.
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Analyse mathématiques des phénomènes d'adaptation
J Garnier, O. Cotto, E. Bouin, T. Bourgeron, T. Lepoutre, O. Ronce, and
V. Calvez.
Adaptation of a quantitative trait to a changing environment: New
analytical insights on the asexual and infinitesimal sexual models.
Theor. Popul. Biol., 152:1--22, 2023.
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R Forien, J Garnier, and F Patout.
Ancestral lineages in mutation selection equilibria with moving
optimum.
Bull. Math. Biol., 84(93), 2022.
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V Calvez, J Garnier, and F Patout.
Asymptotic analysis of a quantitative genetics model with nonlinear
integral operator.
J. Éc. Polytech. Math., 6:537--579, 2019.
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L Roques, J Garnier, and G Martin.
Beneficial mutation--selection dynamics in finite asexual
populations: a free boundary approach.
Sci. Rep., 7:17838, 2017.
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Analyse mathématiques des phénomènes d'adaptation éco-évolutive
J van de Walle, J Garnier, T Bonnet, and S Jenouvrier.
Toward a unified approach to modelling adaptation among demographers
and evolutionary ecologists.
Methods Ecol. Evol., 16(8):1644--1657, 2025.
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S Jenouvrier, A Eparvier, B Sen, F Ventura, C Che-Castaldo, M Holland,
L Landrum, K Krumhardt, J Garnier, K Delord, C Barbraud, and P Trathan.
Living with uncertainty: Using multi-model large ensembles to assess
emperor penguin extinction risk for the iucn red list.
Biol. Conserv., 305:111037, 2025.
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J Garnier, G Clucas, J Younger, B Sen, C Barbraud, M Larue, A D Fraser,
S Labrousse, and S Jenouvrier.
Coupling genetic and demographic data to reveal dispersal processes
in emperor penguins.
Ecol. Evol., 15(5):e71367, 2025.
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S Jenouvrier, M Holland, D Iles, S Labrousse, L Landrum, J Garnier, H Caswell,
H Weimerskirch, M LaRue, R Ji, and C Barbraud.
The paris agreement objectives will likely halt future declines of
emperor penguins.
Glob. Change Biol., 00:1170--1184, 2020.
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S Jenouvrier, J Garnier, F Patout, and L Desvillettes.
Influence of dispersal processes on the global dynamics of emperor
penguin, a species threatened by climate change.
Biol. Conserv., 212:63 -- 73, 2017.
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Diversité, propagation et évolution de communautés d’espèces mutualistes
M M Martignoni, J Garnier, R C Tyson, K D Harris, and O Kolodny.
Towards a theory of microbially-mediated invasion encompassing
parasitism and mutualism.
Biol. Invasions, 27(253), 2025.
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M M Martignoni, R C Tyson, O Kolodny, and J Garnier.
Mutualism at the leading edge: insights into the eco-evolutionary
dynamics of host-symbiont communities during range expansion.
J. Math. Biol., 88(24), 2024.
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M Ohlmann, J Garnier, and L Vuillon.
metanetwork: A R package dedicated to handling and representing
trophic metanetworks.
Ecol. Evol., 13(8):e10229, 2023.
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L Ledru, J Garnier, O Guillot, E Faou, C Noûs, and S Ibanez.
The evolutionary dynamics of plastic foraging and its ecological
consequences: a resource-consumer model.
Peer Community J., 3, 2023.
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L Ledru, J Garnier, M Rohr, C Nous, and S Ibanez.
Mutualists construct the ecological conditions that trigger the
transition from parasitism.
Peer Community J., 2, 2022.
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M M Martignoni, J Garnier, X Zhang, D Rosa, V Kokkoris, R C Tyson, and M M
Hart.
Co-inoculation with arbuscular mycorrhizal fungi differing in carbon
sink strength induces a synergistic effect in plant growth.
J. Theor. Biol., 531:110859, 2021.
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M M Martignoni, J Garnier, M M Hart, and R C Tyson.
Investigating the impact of the mycorrhizal inoculum on the resident
fungal community and on plant growth.
Ecol. Model., 438:109321, 2020.
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M M Martignoni, M M Hart, J Garnier, and R C Tyson.
Parasitism within mutualist guilds explains the maintenance of
diversity in multi-species mutualisms.
Theor. Ecol., 13:615--627, 2020.
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M M Martignoni, M M Hart, R C Tyson, and J Garnier.
Diversity within mutualist guilds promotes coexistence and reduces
the risk of invasion from an alien mutualist.
Proc. R. Soc. B, 287(1923):20192312, 2020.
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Chapitre de livre
L Roques, J-P Rossi, H Berestycki, J Rousselet, J Garnier, J-M Roquejoffre,
L Rossi, S Soubeyrand, and C Robinet.
Modeling the Spatio-temporal Dynamics of the Pine Processionary
Moth, pages 227--263.
Springer Netherlands, 2015.
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Thèses