Recent preprint

Marc Ohlmann, Jimmy Garnier , Laurent Vuillon. metanetwork, a R package dedicated to handling and representing trophic metanetworks, ongoing work

G Clucas, S Jenouvrier, J Garnier and J Younger. Genetic structure informs us on penguins dispersal, ongoing work;

L Ledru, J Garnier, Océane Guillot, C Noûs and S Ibanez. The evolution of adaptive foraging mitigates the biodiversity-ecosystem functioning relationships , ongoing work;

E Bouin, T Bourgeron, V Calvez, O Cotto, J Garnier, T Lepoutre, O Ronce Adaptation to a changing environment: what me Normal?, ongoing work;

E Bouin, V Calvez, O Cotto, J Garnier, O Ronce Equilibria of quantitative genetics models beyond the Gaussian approximation II: Senescence and changing environment , ongoing work;

Léo Ledru, Jimmy Garnier, Matthias Rohr, Camille Noûs, Sébastien Ibanez. Mutualists construct the ecological conditions that trigger the transition from parasitism, preprint 2021

R Forien, J Garnier, F Patout. Ancestral lineages in mutation-selection equilibria with moving optimum, preprint, 2020

L Ledru , C Gallet, J Garnier and S Ibanez, Spatial structure of natural boxwood and box tree moth in Europe can promote long-term coexistence , soumis, 2020;

T Bourgeron, V Calvez, J Garnier, and T Lepoutre. Existence of recombination-selection equilibria for sexual populations with changing environment , preprint , 2016;

Published papers

Mathematics : PDE analysis

1. J Garnier and P Lafontaine. Dispersal and good habitat quality promote neutral genetic diversity in metapopulations, Bull Math Biol 83, 20 (2021);
2. V Calvez, J Garnier and F Patout. A quantitative genetics model with sexual mode of reproduction in the regime of small variance, J École polytechnique --- Mathématiques, 6, 537--579, 10.5802/jep.100, 2019;
3. N Marculis, J Garnier, R Lui and M A Lewis. Inside dynamics for stage-structured integrodifference equations, J. Math. Biol., 10.1007/s00285-019-01378-9, 2019;
4. E Bouin, C Henderson,, J Garnier et F Patout. Thin front limit of an integro--differential Fisher--KPP equation with fat--tailed kernels, SIAM J. Math. Anal., 50(3), 3365--3394, 2017;
5. J Garnier, F Hamel and L Roques. Transition fronts and stretching phenomena for a general class of reaction-dispersion equations, Discrete Contin. Dyn. Syst. Ser. A , sous presse, 2015;
6. 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;
7. O Bonnefon, J Garnier, F Hamel et L Roques. Inside dynamics of delayed travelling waves, Math. Mod. Nat. Phen., 8: 44--61, 2013;
8. J Garnier, T Giletti, G Nadin. Maximal and Minimal spreading speed for reaction diffusion equations in nonperiodic slowly varying media, J. Dynam. Differential Equations, 24(3):521--538, 2012;
9. J Garnier, T Giletti, F Hamel et L Roques. Inside dynamics of pulled et pushed fronts, J. Math. Pures Appl., 11:173--188, 2012;
10. M Cristofol, J Garnier, F Hamel et L Roques. Uniqueness from pointwise observations in a multi-parameter inverse problem, Comm. Pure Appl. Anal. 11(1): 173--188, 2012;
11. J Garnier. Accelerating solutions in integro-differential equations, SIAM J. Math. Anal., 43(4): 1955--1974, 2011.

Applied mathematics: ecology et evolution

1. J Garnier and P Lafontaine. Life history traits and dispersal shape neutral genetic diversity in metapopulations, J. Math. Biol. 84, 45 (2022), https://doi.org/10.1007/s00285-022-01749-9;
2. M Martignoni, J Garnier, X Zhang, D Rosa, V Kokkoris, R Tyson and M Hart. Co-inoculation with arbuscular mycorrhizal fungi differing in carbon sink strength induces a synergistic effect in plant growth , J. Theo. Biol., (2021) https://doi.org/10.1016/j.jtbi.2021.110859
3. 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, Scientific Reports, (2021), accepted;
4. M Martignoni, J Garnier, M Hart and R Tyson. Investigating the impact of the mycorrhizal inoculum on the resident fungal community and on plant growth, Ecol. Model., 2020;
5. M Martignoni, J Garnier, M Hart and R Tyson. Parasitism within mutualist guilds explains the maintenance of diversity in multi-species mutualisms, Theo. Ecol., 2020;
6. M Martignoni, M M Hart, R 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. http://dx.doi.org/10.1098/rspb.2019.2312, 2020;
7. S Jenouvrier, M Holland, D Iles, S Labrousse, L Landrum, J Garnier, H Caswell, H Weimerskirch, M La Rue, R Ji, C Barbraud . The Paris Agreement objectives will likely halt future declines of emperor penguins, Global Change Biology, 26(3): 1170--1184. https://doi.org/10.1111/gcb.14864, 2020;
8. L Roques, J Garnier et G Martin. Beneficial mutation-selection dynamics in finite asexual populations: a free boundary approach, Scientific Reports, DOI: 10.1038/s41598-017-17212-5, 2017;
9. S Jenouvrier, J Garnier, F Patout et L Desvilette. Influence of dispersal processes on the global dynamics of Emperor penguin, a species threatened by climate change, Biol. Conserv., 212(A):63--73, 2017;
10. J Garnier, M A Lewis. Expansion under climate change: the genetic consequences , Bull. Math. Biol. , sous presse, 2016;
11. O Bonnefon, J Coville, J Garnier, F Hamel et L Roques. The spatio-temporal dynamics of neutral genetic diversity, Ecol. Complexity, 20: 282--292, 2014;
12. L Roques, J Garnier, F Hamel et E Klein. Allee effect promotes diversity in traveling waves of colonization, Proc. Natl. Acad. Sci. USA, 109(23): 8828--8833, 2012;
13. J Garnier, F Hamel et L Roques. Success rate of a biological invasion and the spatial distribution of the founding population, Bull. Math. Bio., 74:453--473, 2012;

Thesis

• J Garnier. Mathematical analysis of population dynamics models: Partial Differential Equations, integro-differential equations , Ph.D. thesis (advisors F Hamel and L Roques)