Laboratoire Eau Environnement et Systèmes Urbains (Leesu)

Recent publications

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935.
titre
Do suspended particles matter for wastewater-based epidemiology?
auteur
Gauthier Bernier-Turpin, Régis Moilleron, Chloé Cenik, Fabrice Alliot, Sabrina Guérin-Rechdaoui, Thomas Thiebault
article
Water Research, In press, 280, pp.123543. ⟨10.1016/j.watres.2025.123543⟩
titre
Opinion of the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) on the risks to human health associated with the proliferation of Ostreopsis spp. on the Basque coast
auteur
Rodolphe Lemée, Jean‐françois Humbert, Éric Abadie, Zouher Amzil, Elisa Berdalet, Ronel Biré, Marie‐yasmine Dechraoui Bottein, Luc de Haro, Nicolas Delcourt, Valérie Fessard, Jean‐philippe Jaeg, César Mattei, Anne Oppliger, Anne‐sophie Pavaux, Eva Ternon, Gilles Bornert, Anne Togola, Jean Baron, Jean‐luc Boudenne, Nicolas Cimetiere, Bruno Coulomb, Christophe Dagot, Sabine Denooz, Isabelle Dublineau, Frédéric Feder, Matthieu Fournier, Stéphane Garnaud-Corbel, Nathalie Garrec, Johnny Gasperi, Julio Gonçalvès, Jean‐louis Gonzalez, Olivier Horner, Michel Joyeux, Jérôme Labanowski, Sophie Lardy-Fontan, Françoise Lucas, Christophe Mechouk, Laurent Moulin, Damien Mouly, Fabienne Petit, Catherine Quiblier, Pauline Rousseau-Gueutin, Marie‐pierre Sauvant-Rochat, Michèle Tremblay, Bruno Le Bizec, Marie‐louise Scippo, Pierre‐Marie Badot, Marie‐yasmine Dechraoui Bottein, Rachida Chekri, Christine Demeilliers, Virginie Desvignes, Erwan Engel, Gautier Eppe, Anne‐sophie Ficheux, Eric Houdeau, Emilie Lance, Olivier Laprevote, Michel Laurentie, Ludovic Le Hegarat, Jean‐charles Leblanc, Nicolas Loiseau, David Makowski, Francesca Mancini, Eric Marchioni, Jean‐françois Masfaraud, Mathilde Munier, Isabelle Oswald, Anne Platel, Yann Sivry, Paule Vasseur, Estelle Checlair-Westerberg, Eléonore Ney, Nathalie Arnich, Carole Catastini
article
Food Risk Assess Europe, 2025, 3 (2), ⟨10.2903/fr.efsa.2025.FR-0061⟩
titre
Plastic debris dataset on the Seine riverbanks: up to 38 000 pre-production plastic pellets reported per square meter
auteur
Romain Tramoy, Laurent Colasse, Johnny Gasperi, Bruno Tassin
article
Data in Brief, 2025, pp.111735. ⟨10.1016/j.dib.2025.111735⟩
titre
La persistance des champs d’épandage d’eaux usées de l’agglomération parisienne au cours du second XXe siècle
auteur
Etienne Dufour
article
Métropolitiques, 2025, ⟨10.56698/metropolitiques.2174⟩
titre
Stock and vertical distribution of microplastics and tire and road wear particles into the soils of a high-traffic roadside biofiltration swale
auteur
Max Beaurepaire, Tiago de Oliveira, Johnny Gasperi, Romain Tramoy, Mohamed Saad, Bruno Tassin, Rachid Dris
article
Environmental Pollution, 2025, 373, pp.126092. ⟨10.1016/j.envpol.2025.126092⟩

Supervisory authorities

Member of

Thomas Starck

1. Contact

Professional address : Leesu, École des Ponts ParisTech, 6-8 avenue Blaise Pascal, Champs sur Marne, F 77455 Marne-la-Vallée cedex 2. Bureau P219

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2. Research topics

  • Territorial biogeochemistry: characterization of food/excretion systems through the analysis of nutrient flows (fertilizers, food, excretions...)
  • Agricultural systems: monitoring of nitrogen and phosphorus, characterization of food systems circularity
  • Sanitation: efficiency of sanitation systems at the basin and national levels, return of excreted nutrients to the soil via sewage sludge
  • Source separation: of urine and feces, to return to the field before dilution in urban wastewater

3. On-going research

My PhD subject is entitled “Potential contribution of human excretions as fertilizing materials for agricultural production” and is financialy supported by École Polytechnique.

This work is supervised by Bruno Tassin and Fabien Esculier. It is hosted by the OCAPI research programs on food/excretion systems and human urine and feces management. The work also benefits from scientific exchanges with the METIS laboratory.

In order to identify the potential of nutrients present in human excretions, this thesis is structered by several research topics:

  • Current status of human excreta management in France: detailed quantification of nitrogen and phosphorus flows after excretion. Historical evolution of purification yields of wastewater treatment plants, rate of return to the field
  • Agronomic potential of nutrient recycling (nitrogen, phosphorus) of human excretions: comparison of the spatial distribution of nutrients present in human and animal excretions with crop needs. Exploration of the rate of nutrient autonomy covered by human excreta in different food systems

4. Teaching

5. Collective responsibilities

6. Professional background

Period Position/activity
2021 - 2024 PhD preparation food-excretion systems, within the OCAPI program and Laboratoire Eau Environnement Systèmes Urbains (Leesu) at École des Ponts ParisTech
2021 M2 internship on legume biofixation in organic agriculture, within the Soil-Plant-Atmosphere Interaction laboratory (ISPA) at INRAe Bordeaux
2020 - 2021 M2 Climate, Land Use and Ecosystem preparation (CLUES) at AgroParisTech and Université Paris-Saclay
2019 - 2020 Gap year within the environmental consulting firm I Care & Consult – missions related to agriculture (fertilizer prospective for the Ministry of agriculture) and biodiversity
2019 M2 internship on the historical energy transition of the French agricultural system, within the Laboratoire Interdisciplinaire des Énergies de Demain (LIED)
2016 - 2019 Polytechnique Engineer Cycle, specialisation «Science for Environnement Challenges»

Scientific production, on HAL-ENPC, ordered by type