Post-doctorate researcher in Ecology and Agriculture

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Research questions

How do different facets of biodiversity affect the functioning and stability of (agro)ecosystems?

What are the roles of plant-plant interactions and functional traits in determining (agro)ecosystem functioning?

What are the drivers of the global distribution of crop species diversity ?

Can plant functional traits predict the multifunctionality of (agro)ecosystems ?

To address these questions, I assemble concepts, theories and tools from functional ecology, biogeography, agronomy and quantitative ecology. I mainly focus on cultivated ecosystems and their associated plant communities, including crop and weed species. My researches cover a range of spatio-temporal scales, from very local (e.g. plant-plant interactions) to global (e.g. global distribution of crop) and pluriannual (e.g. long-term ecosystem stability) scales.

Publications

Mahaut, L., Violle, C., Shihan, A., Pélissier, R., Morel, J.-B., de Tombeur, F., Rahajaharilaza, K., Fabre, D., Luquet, D., Hartley, S., Thorne, S. J., Ballini, E., & Fort, F. (2023). Beyond trait distances: Functional distinctiveness captures the outcome of plant competition. Functional Ecology, 37(9), 2399–2412. https://doi.org/10.1111/1365-2435.14397

Munoz, F., Klausmeier, C. A., Gaüzère, P., Kandlikar, G., Litchman, E., Mouquet, N., Ostling, A., Thuiller, W., Algar, A. C., Auber, A., Cadotte, M. W., Delalandre, L., Denelle, P., Enquist, B. J., Fortunel, C., Grenié, M., Loiseau, N., Mahaut, L., Maire, A., Mouillot, D., Violle, C. & Kraft, N. J. B. (2023). The ecological causes of functional distinctiveness in communities. Ecology Letters, 26(8), 1452–1465. https://doi.org/10.1111/ele.14265

Renard, D., Mahaut, L., & Noack, F. (2023). Crop diversity buffers the impact of droughts and high temperatures on food production. Environmental Research Letters, 18(4), 045002. https://doi.org/10.1088/1748-9326/acc2d6

Mahaut, L., Choler, P., Denelle, P., Garnier, E., Thuiller, W., Kattge, J., Lemauviel-Lavenant, S., Lavorel, S., Munoz, F., Renard, D., Serra-Diaz, J. M., Viovy, N., & Violle, C. (2023). Trade-offs and synergies between ecosystem productivity and stability in temperate grasslands. Global Ecology and Biogeography, 32(4), 561–572. https://doi.org/10.1111/geb.13645

de Tombeur, F., Pélissier, R., Shihan, A., Rahajaharilaza, K., Fort, F., Mahaut, L., Lemoine, T., Thorne, S. J., Hartley, S. E., Luquet, D., Fabre, D., Lambers, H., Morel, J.-B., Ballini, E., & Violle, C. (2023). Growth-defence trade-off in rice: Fast-growing and acquisitive genotypes have lower expression of genes involved in immunity. Journal of Experimental Botany, 74(10), 3094–3103. https://doi.org/10.1093/jxb/erad071

Mahaut L., Pironon S., Barnagaud J.Y., Bretagnolle F., Khoury C.K., Mehrabi Z., Milla R., Phillips C., Rieseberg L.H., Violle C., Renard D. (2022). Matches and mismatches between the global distribution of major food crops and climate suitability. Proceedings of the Royal Soeciety-B., 289 (1983) https://doi.org/10.1098/rspb.2022.1542

Mahaut, L., Violle, C., & Renard, D. (2021). Complementary mechanisms stabilize national food production. Scientific Reports, 11(1), 4922. https://doi.org/10.1038/s41598-021-84272-z

Mahaut, L., Cheptou, P.-O., Fried, G., Munoz, F., Storkey, J., Vasseur, F., Violle, C., & Bretagnolle, F. (2020). Weeds: Against the Rules? Trends in Plant Science, 25(11), 1107–1116. https://doi.org/10.1016/j.tplants.2020.05.013

Mahaut, L., Fort, F., Violle, C., & Freschet, G. T. (2020). Multiple facets of diversity effects on plant productivity: Species richness, functional diversity, species identity and intraspecific competition. Functional Ecology, 34(1), 287–298. https://doi.org/10.1111/1365-2435.13473

Munoz, F., Fried, G., Armengot, L., Bourgeois, B., Bretagnolle, V., Chadoeuf, J., Mahaut, L., Plumejeaud, C., Storkey, J., Violle, C., & Gaba, S. (2020). Ecological Specialization and Rarity of Arable Weeds: Insights from a Comprehensive Survey in France. Plants-Basel, 9(7). https://doi.org/10.3390/plants9070824

Delphine Renard & Lucie Mahaut (2019). De nouveaux éléments en faveur de la diversification (New evidence in favor of crop diversification). Perspectives Agricoles

Mahaut L., Gaba S., Fried G., 2019. A functional diversity approach of crop sequences reveals that weed diversity and abundance show different responses to environmental variability. Journal of Applied Ecology. 56 (6): 1400-1409. doi: 10.1111/1365-2664.13389

Bourgeois B., Munoz, F., Fried, G., Mahaut, L., Armengot, L., Denelle, P., Storkey, J., Gaba, S., Violle, C., 2019. What makes a weed a weed? A large-scale evaluation of arable weeds through a functional lens. American Journal of Botany.106 (1): 90-100. doi: 10.1002/ajb2.1213

Fried G., Carboni M., Mahaut L., Violle C., 2019. Functional traits modulate plant community responses to alien plant invasion. Perspectives in Plant Ecology Evolution and Systematics. 37: 53-63. doi: 10.1016/j.ppees.2019.02.003

Mahaut L., Fried G., Gaba S. 2018. Patch dynamics and temporal dispersal partly shape annual plant communities in ephemeral habitat patches. Oikos. 127: 147-159. doi: 10.1111/oik.04415

Fried G., Mahaut L., Pinston A., Carboni M., 2018. Abiotic constraints and biotic resistance control the establishment success and abundance of invasive Humulus japonicus in riparian habitats. Biological Invasions. 20 (2): 315-331. doi: 10.1007/s10530-017-1533-y

Directeur de recherche CNRS

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

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A l’interface entre écologie fonctionnelle et écologie des communautés, je cherche à comprendre les causes de variation de la biodiversité, aussi bien à l’échelle locale que continentale, et l’effet de changements de la biodiversité sur la dynamique et le fonctionnement des écosystèmes.

Lire la suite : Cyrille VIOLLE

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https://francois-vasseur.com/

https://scholar.google.fr/citations?user=PCtV37IAAAAJ&hl=en

I am interested in the diversity of adaptive strategies in plants. My work mainly focuses on the ecological causes of the maintenance of phenotypic variability at the intraspecific level.

Taking advantage on the one hand of high-throughput phenotyping facilities, and on the other hand of the extensive genetic resources available in model and crop species, I aim at:

- caracterizing the functional trade-offs that shape evolutionary adaptation (economy of resources, growth-defense, allometry) both between and within species

- evaluating the genetic bases of these trade-offs (QTL, GWAS) and their evolution (molecular signatures of selection, genomic, population genetics)

- examining how growth, survival and reproductionvary along these trade-offs depending on the environmental conditions

Publications:

Hanemian, M., Vasseur, F., Marchadier, E., Gilbault, E., Bresson, J., Gy, I., ... & Loudet, O. (2020). Natural variation at FLM splicing has pleiotropic effects modulating ecological strategies in Arabidopsis thaliana. Nature communications, 11(1), 1-12.

Bergès S., Vasseur F., Bediée A., Rolland G., Masclef D., Dauzat M., van Munster M. and Vile, D. (2020). Natural variation of Arabidopsis thaliana responses to Cauliflower mosaic virus infection upon water deficit. PLoS pathogens, 16(5), e1008557.

Mahaut L., Cheptou PO., Fried G., Munoz F., Storkey J., Vasseur F., Violle C., and Bretagnolle F.. (2020). Weeds, against the rules? Trends in Plants Science (sous presse).

Kazakou E., Vasseur F., Sartori K., Baron E., Rowe N., Vile D. (2019). Secondary metabolites have more influence than morpho-physiological traits on litter decomposability across genotypes of Arabidopsis thaliana. New Phytologist, 224(4), 1532-1543.

Exposito-Alonso M., Rodríguez RG., Barragán C., Capovilla G., Chae E., Devos J., Dogan ES., Friedemann C., Gross C., Lang P., Lundberg D., Middendorf V., Kageyama J., Karasov T., Kersten S., Petersen S., Rabbani L., Regalado J., Reinelt L., Rowan B., Seymour DK., Symeonidi E., Schwab R., Tran DTN., Venkataramani K., Van de Weyer AL., Vasseur F., Wang G., Wedegärtner R., Weiss F., Wu R., Xi W., Zaidem M., Zhu W., García-Arenal F., Burbano HA., Bossdorf O., Nielsen R., Weigel D. (2019). Natural selection on the Arabidopsis thaliana genome in present and future climates. Nature, 573, 126–129.

Vasseur F., Fouqueau L., De Vienne D., Nidelet T., Violle C., Weigel D. (2019). Non-linear phenotypic variation uncovers the emergence of heterosis in Arabidopsis thaliana. PLoS Biology, 17(4), e3000214

Sartori K.F., Vasseur F., Violle C., Baron E., Gerard M., Rowe N., Ayala-Garay O., Christophe A., De Jalon L.G., Masclef D., Harscouet E. (2019). Leaf economics and slow-fast adaptation across the geographic range of Arabidopsis thaliana. Scientific Reports, 9(1), 10758.

Vasseur F., Sartori K., Baron E., Fort F., Kazakou E., Segrestin J., Garnier E., Vile D., Violle C. (2018) Climate as a driver of adaptive variations in ecological strategies in Arabidopsis thaliana. Annals of Botany, 122(6), 935-45.

Vasseur F., Wang G., Bresson J., Schwab R., Weigel D. (2018) Image-based methods for phenotyping growth dynamics and fitness in Arabidopsis thaliana. Plant Methods, 14(1), 63.

Vasseur F., Exposito-Alonso M., Ayala-Garay O., Wang, G., Enquist B.J., Vile D., Violle C., Weigel, D. (2018) Adaptive diversification of growth allometry in the plant Arabidopsis thaliana. Proceedings of the National Academy of Sciences USA, 115 (13), 3416-3421.

Exposito-Alonso M., Vasseur F., Ding W., Wang G., Burbano H.A., Weigel D. (2018). Genomic basis and evolutionary potential for extreme drought adaptation in Arabidopsis thaliana. Nature ecology & evolution, 2(2), 352.

Seymour D.K., Chae E., Grimm D.G., Pizarro C.M., Haring-Muller A., Vasseur F., Rakitsch B., Borgwardt K.M., Koenig D., Weigel D. (2016). The genetic architecture of non-additive inheritance in Arabidopsis thaliana hybrids. Proceedings of the National Academy of Sciences USA, 113(46), E7317–E7326.

Blonder B., Vasseur F., Violle, C., Shipley B., Enquist B.J., Vile D. (2015). Testing models for the leaf economics spectrum with leaf and whole-plant traits in Arabidopsis thaliana. AoB Plants, plv049.

Bresson J., Vasseur F.* Dauzat M., Koch G., Granier C., Vile D. (2015). Quantifying spatial heterogeneity of chlorophyll fluorescence during plant growth and in response to water stress. Plant Methods, 11(1), 23.

Bresson J., Vasseur F., Dauzat M., Labadie M., Varoquaux F., Touraine B., Vile D. (2014). Interact to survive: Phyllobacterium brassicacearum improves Arabidopsis tolerance to severe water deficit and growth recovery. Plos One, e107607.

Vasseur F., Bontpart T., Dauzat M., Granier C., Vile D. (2014). Multivariate genetic analysis of plant responses to water deficit and high temperature revealed contrasting adaptive strategies. Journal of Experimental Botany, 65(22), 6457-6469.

Lièvre M., Wuyts N., Cookson S. J., Bresson J., Dapp M., Vasseur F., Massonet C., Tisné S., Bettembourg M., Balsera C., Bédié A., Bouvery F., Dauzat M., Rolland G., Vile D., Granier, C. (2013). Phenotyping the kinematics of leaf development in flowering plants: recommendations and pitfalls. Wiley Interdisciplinary Reviews: Developmental Biology, 2(6), 809-821.

Vasseur F., Violle C., Enquist B.J., Granier C., Vile D. (2012). A common genetic basis to the origin of the leaf economics spectrum and metabolic scaling allometry. Ecology Letters, 15(10), 1149-1157.

Randoux M., Jeauffre J., Thouroude T., Vasseur F., Hamama L., Juchaux M., Sakr S., Foucher F. (2012). Gibberellins regulate the transcription of the continuous flowering regulator, RoKSN, a rose TFL1 homologue. Journal of Experimental Botany, 63(18), 6543-6554.

Vile D., Pervent M., Belluau M., Vasseur F., Bresson J., Muller B., Granier C., Simonneau T. (2012). Arabidopsis growth under prolonged high temperature and water deficit: independent or interactive effects? Plant Cell and Environment, 35(4), 702-718.

Vasseur F., Pantin F., Vile D. (2011). Changes in light intensity reveal a major role for carbon balance in Arabidopsis responses to high temperature. Plant Cell and Environment, 34(9), 1563-1576.

Directeur de Recherche (CNRS)

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

tél : +33 4 67 61 32 42
fax : +33 4 67 61 33 36

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Thèmes de recherche

Mes travaux portent sur la caractérisation de la diversité fonctionnelle des végétaux, abordée essentiellement par l’étude de leurs traits fonctionnels.

Lire la suite : Eric GARNIER