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2025 Interdisciplinary Academic Thesis Prize: Cédric DENTANT

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Cédric DENTANT received the 2025 Interdisciplinary Academic Thesis Prize for his research work among PhDs graduating in 2024.

Thesis Title: High mountains and flowering plants: geography of a science of life on the edge of terrestrial habitability

Cédric DENTANT, lauréat du prix de thèse académique interdisciplinaire 2025 This project aims to study life through the prism of two margins: a geographical margin - the high mountains - and a scientific margin - the construction of a hybrid knowledge between non-academic spheres and academic research. The three parts of the thesis are structured as follows: (i) an analysis of the construction of biological knowledge at the very edge of life; (ii) current research on high alpine plants (evolution and historical ecology); (iii) an analysis of the different ways in which this science is narrated in the high mountains (scientific, artistic, literary, popular) and their possible implication on the human/non-human relationship.
We will use vascular plants as a biological model in three analytical frameworks: geohistory - with a particular focus on the geography of science; scientific ecology, involving botany, taxonomy, biogeography and historical ecology; and ethnobotany, as a tool to analyze a contemporary and situated example of the humans/plants relationship. This multiple and hybrid approach aims to understand how the high mountains are a singular space of science and a revealing space of the transformation of life; and how the vascular plants form a biological group capable of testifying to the evolution of a singular biodiversity, to what it tells us about the terrestrial habitability and our relation to living beings.r de science et un espace révélateur de la transformation du vivant ; et en quoi les plantes vasculaires forment un groupe biologique à même de témoigner de l'évolution d'une biodiversité singulière, de ce qu'elle nous dit de l'habitabilité terrestre et de notre relation au vivant.

Key words: Actor-network, living beings, high mountains, geography, botany, habitabilité

Doctoral School: ED SHPT - Humanities, Political and Territorial Sciences
Research laboratory: Laboratoire des sciences sociales (Pacte - CNRS/ UGA -Sciences Po Grenoble-UGA)
Thesis supervision: Philippe BOURDEAU and Pascal MAO

> To find out about all the 2025 thesis prizes
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