Dr. Pierre Mariotte
Plant-Soil Interactions & Ecosystem Functioning

Dr. Pierre Mariotte

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Curriculum Vitae

Current address

Ecole Polytechnique Federale de Lausanne (EPFL)
Laboratory of Ecological Systems (ECOS)
Station 2
1015 Lausanne


08/2016-present: Postdoctoral Researcher - Interactive effects of altitude and management on resistance and resilience of permanent grasslands to drought: combining agronomic, functional and ecophysiological approaches (GrassAlt project) - Laboratory of Ecological Systems (ECOS), EPFL & WSL, Lausanne, Switzerland.

Collaborators: Prof. Alexandre Buttler

04/2016-07/2016: Postdoctoral Fellowship (Swiss NSF) - Return Phase in Switzerland. Amount: 34'454 CHF

Collaborators: Prof. Alexandre Buttler and Ass. Prof. Feike Dijkstra

10/2014-03/2016: Postdoctoral Fellowship (Swiss NSF) - Climate change impacts on soil N:P stoichiometry and consequent feedbacks on plant-microbe interactions in Australian grasslands - The University of Sydney, Centre for Carbon, Food and Water, Camden campus, Sydney, Australia. Amount: 95'250 CHF.
Collaborators: Ass. Prof. Feike Dijkstra and Prof. Mark Adams


03/2013-09/2014: Postdoctoral Fellowship (Swiss NSF) - Plant-soil feedbacks and plant invasion in californian grasslands - Department of Environmental Science, Policy and Management, University of California, Berkeley, USA. Amount: 93'700 USD.

Collaborator: Prof. Katharine Suding


06/2008-06/2012: PhD Research - Effects of subordinate plant species on plant and soil community structure and ecosystem functioning (SubFunc project) - Laboratory of Ecological Systems (ECOS), EPFL & WSL, Lausanne, Switzerland.
Supervisor: Prof. Alexandre Buttler; Examiners: Prof. Richard Bardgett (UK), Prof. Wim van der Putten (NL), Prof. Ansgar Kahmen (CH).



2008: M.s.c year 2 project - Pseudomonas aeruginosa: opportunistic and pathogenic bacteria - Laboratory of Hospital Hygiene, CHU Jean Minjoz, Besançon, France - 6 months.
Supervisor: Prof. Xavier Bertrand


2007: M.s.c year 1 project - Effects of temporary high-perched water table on root system morphology of Quercus robur. Evaluation of a planting method on raised hillock - Laboratory of Chrono-Environment, University of Franche-Comté, Besançon, France - 4 months.
Supervisor: Dr. Eric Lucot


Knowledge domainabove and belowground interactions, plant-soil feedback effects, community ecology, climate and land-use changes, ecosystem functioning, mycorrhizas, soil microbial communities, C:N:P stoichiometry, isotope labelling, nutrient cycling.

Field experience: leaves and root traits, plant surveys, stem counting, biomass sorting by species, root collecting, soil respiration, litter decomposition, removal and drought experiment, isotopes (13C, 15N, 32P), soil nutrient cycling analysis.

Measuring devices: Licor 8100A/Licor 6400XT Automated Soil CO2 flux system, EGM-4 Environmental Gas Monitor, CIRAS-2 Leaf Gas exchange, mini-containers system of litter decomposition, Autoanalyser SmartChem140 (dissolved inorganic nitrogen).

Microbial analysis: T-RFLP, PLFA, PFGE, root mycorrhizal colonization.

Computing: R (GLM, LME, PCA-RDA-MFA, Meta-analysis, SEM lavaan), IT manager (4 years, ECOS lab, CH), website and editing (WordPress, Webs, IMovie, Inkscape), Journal of Ecology blog editor.

Languages: English and French.

Organization of conference

Member of organizing commitee
7th Conference of Plant community Ecology (ECOVEG 7)
30th March - 1st April 2011, Ecole Polytechnique Fédérale de Lausanne
Lausanne (Switzerland)

Session organizer: Plant-soil feedbacks: bridging natural and agricultural sciences
5th International EcoSummit (EcoSummit2016)
29th August - 1st September 2016, Le Corum
Montpellier (France)


Spring 2017 - Essentials of Ecology (Course organiser and teacher): speciation, phylogeny, coexistence, biodiversity, plant-soil interactions, biotic interactions, climate change impacts, ecosystem functioning and services, land-use change effects) - Bachelor 2nd year - 31 hours

Spring 2017 - Second Hand Construction (Co-organiser): Bachelor project for EPFL engineers and architects - Reusing construction materials in architectural projects - 1 week (Smart Living Lab, Blue Hall, Fribourg). 

Spring 2012
- Essentials of Ecology (Teacher): biodiversity, species coexistence, biotic interactions, ecosystem functioning, biodiversity loss, conservation policy) - Bachelor 2nd year - 15 hours

Student assistantship

Mathilde Cassani (SIE, EPFL, Switzerland, 2015-2016), Janina Milkereit (University of Aberdeen, United Kingdom, 2011), Katrijn Sabbe (KHKempen, Belgium, 2010-2011), Claire Meugnier (BGS, Unine, Switzerland, 2009-2010), Michaël Vanbriel (KHKempen, Belgium, 2009-2010), Ruben Vangeel (KHKempen, Belgium, 2009-2010), Stéphanie Pilet (SIE, EPFL, Switzerland, 2008-2009).

Scientific commitment

- Member of the British Ecological Society Equality & Diversity Working Group
- Associate Editor of Journal of Ecology (Blog editor since Oct 2015)
- Associate Editor of Ecology & Evolution (Since Jan 2017)
- Reviewer for Ecology Letters, New Phytologist, Journal of Ecology, Journal of Applied Ecology, Nature Scientific Reports, Ecosystems, Biogeosciences, Oecologia, PlosOne, Basic and Applied Ecology, Journal of Vegetation Science, Plant and Soil, Ecology and Evolution, Wetlands Ecology and Management.