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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018




Centre Alpin sur les Réseaux Trophiques et Ecosystèmes Lacustre

Jenny Jean-Philippe

Jenny Jean-Philippe
Researcher / Group coordinator
Lake Biogeochemistry Group


Tél. : +33 (0)4 79 75 86 49
Mail : jean-philippe.jenny[at]

Research Interests

Paleolimnology, global changes, carbon cycle, eutrophication, anthropocene

Current position

2020 Coordinator of CARRTEL’s Group Lake Biogeochemistry
2021 Member of the scientific board of the Franco-Swiss "International Commission for the Protection of the Water Lake Geneva" (CIPEL)
2018 Permanent researcher (CR1 - 1st grade researcher) at INRAE

Academic background

2018 Early Career Awards – International Paleolimnology Association, Stockholm, 21 June 2018
2016–2018 AXA PostDoc Fellow, Max Planck Institute for biogeochemistry, Germany
2016 (3m.) Visiting Fellow, McGill University, Biology Department, Canada
2013–2016 Postdoc Fellow, National Institute of Scientific Research (INRS), Canada
2010–2013 PhD Sedimentology & Paleolimnology, Grenoble University, France
2009 (7m.) Research internship, fluviatile sedimentology, Ecole des Mines, Paris, France
2008–2009 MSc Sedimentology (LBP), Jussieu University, Paris, France
2007–2008 MSc Geology (Marine sedimentology & Resources) Cardiff University, UK
2004–2007 BSc Geology (Earth Sciences and biology), Lille University, France

Post Doc and PhD theses

2021 – 2024 Théo Mazure, PhD-Student: "Global soil erosion and carbon transfers to inland waters during the Anthropocene: coupling model and paleolimnological approaches" (ANR Grant, in collab. with EDF)

2021 – 2023 Postdoc: "Modelling biogeochemical cycles (1&3D) of deep perialpine lakes from 1850 to 2100 impacted by climate and changes in nutrient loading" (SILA Grant)

2019 – 2023 Julie Rotschi, PhD-Student: "Role of primary productivity in the control of carbon sequestration by lakes at regional and global scales during Anthropocene: coupling of paleolimnological, eco-genomic and pigmentary approaches" (INRAE Grant)

2015 – 2017 Co-supervision 2 PhD-Students (F. Lapointe, O Nzekwe), National Institute of Scientific Research (INRS), Water, Soil, Environment Department, Québec, Canada


Geochemical cycles, Paleolimnology, Paleoclimate and Paleoenvironment, Statistics, Savoie University, France

Recent publication (s)

A24. Jane SF, Hansen JA, Kraemer B, Leavitt P, Mincer J, North R, Pilla R, Stetler J, Williamson C, Woolway R, Arvola L, Chandra L, DeGasperi L, Diemer, Dunalska J, Erina O, Flaim J, Grossart HP, Hambright K, Hein C, Hejzlar J, Janus L, Jenny JP, Jones J, Knoll L, Leoni B, Mackay E, Matsuzaki SI, McBride C, Müller D, Paterson A, Pierson D, Rogora M, Rusak J, Sadro S, Saulnier-Talbot E, Schmid M, Sommaruga R, Thiery W, Verburg P, Weathers K, Weyhenmeyer G, Yokota K & Rose K. (2021) Widespread deoxygenation of temperate lakes. Nature.

A23. Jenny JP, O Anneville, F Arnaud, Y Baulaz, D Bouffard, I Domaizon, S A. Bocaniov, N Chèvre, M Dittrich, J-M Dorioz, E Dunlop, G Dur, J Guillard, T Guinaldo, S Jacquet, A Jamoneau, Z Jawed, E Jeppesen, G Krantzberg, J Lenters, B Leoni, M Meybeck, V Nava, T Nõges, P Nõges, M Patelli, V Pebbles, M-E Perga, S Rasconi, C R. Ruetz III, L Rudstam, N Salmaso, S Sapna, D Straile, O Tammeorg, M R. Twiss, D G. Uzarski, A-M Ventela, W F. Vincent, S W. Wilhelm, S-Å Wängberg, G A. Weyhenmeyer (2020) Scientists' Warning to Humanity: Rapid Degradation of the World's Large Lakes. Journal of Great Lakes Research.

A22. Jenny JP, S Koirala, I Gregory-Eaves, P Francus, B Ahrens, V Brovkin, A E. K. Ojala, B Zolitschka, J Bader, N Carvalhais (2020) Reply to Rao et al.: Human societies began to play a significant role in global sediment transfer 4,000 years ago PNAS doi:

A21. E. Taranu, SR. Carpenter, V Frossard, I Gregory-Eaves, Jenny JP et al. (2019) Can we detect ecosystem critical transitions and signals of changing resilience from paleo‐ecological records? Ecosphere doi:

A20. Jenny JP, S. Koirala, et al. (2019) Human and climate global-scale imprint on sediment transfer during the Holocene. PNAS doi:
A19. G Evin, B Wilhelm, Jenny JP (2018) Flood hazard assessment of the Rhône River revisited with reconstructed discharges from lake sediments. Global and Planetary Change doi: 

A18. N Dubois, E Saulnier-Talbot, K Mills, P Gell, R Battarbee, H Bennion, S Chawchai, X Dong, P Francus, R Flower, D F. Gomes, I Gregory-Eaves, S Humane, G Kattel, Jenny JP, et al. (2017) First human impacts and responses of aquatic systems: a review of palaeolimnological records from around the world. The Anthropocene Review doi: 

A17. Fabien A., J. Poulenard, C. Giguet-Covex, B. Wilhelm, Jenny JP et al., (2016) Erosion under climate and human pressures: An alpine lake sediment perspective. Quaternary Science Reviews. 

A16. Lapointe F, P Francus, SF Lamoureux, M Vuille, Jenny JP, and R S. Bradley (2016) Influence of North Pacific Decadal Variability on the Western Canadian Arctic over the past 700 years. Clim. Past Discuss doi:10.5194/cp-2016-118

A15. Jenny JP et al. (2016) Urban point sources of nutrients were the leading cause for the historical spread of hypoxia across European lakes. PNAS doi:10.1073/pnas.1605480113 

A14. M-E. Perga, S.C. Maberly, Jenny JP et al. (2016) A century of human-driven changes in the carbon dioxide concentration of lakes. Global Biogeochemical Cycles doi:10.1002/2015GB005286

A13. Jenny JP et al., (2015) Global spread of hypoxia in freshwater ecosystems during the last three centuries is caused by rising local human pressure. Global Change Biology doi:10.1111/gcb.13193

A12. ME Perga, V. Frossard, Jenny JP, F. Sylvestre, et al., (2015) High-resolution paleolimnology opens new management perspectives for lakes adaptation to climate warming. Front. Ecol.Evol doi:10.3389/fevo.2015.00072

A11. Naffrechoux E, Cottin N, Pignol C, Jenny JP et al., (2015). Historical profiles of PCB in dated sediment cores from the greater French subalpine lakes (Geneva, Bourget and Annecy) : an indication of contamination source. Environmental Science & Technology doi:10.1021/es5043996 

A10. Jenny JP et al. (2014). Inherited hypoxia : A new challenge for reoligotrophicated lakes under global warming. Global Biogeochemical Cycles doi:10.1002/2014GB004932

A9. Jenny JP et al., (2014) A 4D sedimentological approach to reconstructing the flood frequency and intensity of the Rhône River (Lake Bourget, NW European Alps). J Paleolimnology doi:10.1007/s10933-014-9768-4

A8. Frossard V., Verneaux V., Millet L., Jenny JP et al., (2013) Reconstructing long-term changes (150 years) in the metabolism of a clearwater lake using the stable carbon isotope composition (δ13C) of chironomid and cladoceran subfossil remains. Fresh Water Biology doi:10.1111/fwb.12304 

A7. Berthon V, Marchetto A, Rimet F, Dormia E, Jenny JP, Pignol C, Perga ME (2013) Trophic history of French sub-alpine lakes over the last 150 years : phosphorus reconstruction and assessment of taphonomic biases. 72(3) : 417-429, Journal of Limnology doi:  

A6. Frossard V, Verneaux V, Millet L, Jenny JP et al., (2013) Depth-specific responses of the chironomid community to contrasting anthropogenic pressures : A paleolimnological perspective of 150 years. Freshwater Biology. Freshwater Biology doi:10.1111/fwb.12243 

A5. Jenny JP et al.,(2013) A spatiotemporal investigation of varved sediments highlights the dynamics of hypolimnetic hypoxia in a large hard-water lake over the last 150 years. Limnology and Oceanography doi:10.4319/lo.2013.58.4.1395 

A4. Frossard V, Millet L, Verneaux V, Jenny JP et al., (2013) Chironomid assemblages in cores from multiple water depths reflect oxygen-driven changes in a deep French lake over the last 150 years. Journal of Paleolimnology doi:10.1007/s10933-013-9722-x

A3. Giguet-Covex C, Poulenard J, Chalmin E, Arnaud F, Jenny JP, Dorioz JM (2013) XANES spectroscopy as a tool to trace phosphorus transformation during soil genesis and mountain ecosystem development from lake sediments. Geochimica et Cosmochimica Acta doi:  

A2. Alric B, Jenny JP et al., (2013) Local forcings affect lake zooplankton vulnerability and response to climate warming. Ecology doi:10.1890/12-1903.1

A1. Savichtcheva O, Debroas D, Kurmayer R, Villar C, Jenny JP, Arnaud F, Perga ME, Domaizon I (2011) Quantitative PCR Enumeration of Total/Toxic Planktothrix rubescens and Total Cyanobacteria in
Preserved DNA Isolated from Lake Sediments. Appl Environ Microbiol doi:10.1128/AEM.06106-11