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Eddie Pérochon

@eperochon

PhD student in Lausanne. Working on Macroecology - Biogeography - Entomology - Macroevolution

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19.11.2024
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Latest posts by Eddie Pérochon @eperochon

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Excited to share our new preprint! 🧬🦌

We investigated inbreeding and demographic history of caribou across western Canada using genome-wide SNP data, covering 45 subpopulations grouped into 6 metapopulations.

Take a look 👇
www.biorxiv.org/content/10.6...

05.03.2026 18:04 👍 7 🔁 4 💬 1 📌 0
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Reine solo sous les tropiques ou colonies géantes dans le désert, le climat dicte l'organisation des fourmis Une ou plusieurs reines, petites ou grandes colonies, ouvrières identiques ou différentes, comment expliquer l'étonnante diversité des sociétés de fourmis ? Une nouvelle étude montre que le climat jou...

Des tropiques aux déserts en passant par les régions tempérées, les fourmis n’organisent pas leurs sociétés de la même façon. Une nouvelle étude révèle une correspondance entre trois climats et trois modèles sociaux. 🐜

09.02.2026 06:56 👍 50 🔁 19 💬 2 📌 1

Finally, you can also hear me talk about our work on Swiss radio RTS (in French) 📻

06.02.2026 09:02 👍 1 🔁 0 💬 0 📌 0

You can also read the popular science article explaining our work here:

06.02.2026 08:58 👍 1 🔁 0 💬 1 📌 0
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Les fourmis: un modèle d'adaptation | RTS Les colonies de fourmis ne sont pas toutes pareilles! Eddie Pérochon, doctorant à l'Université de Lausanne, révèle comment leur structure sociale varie selon l'environnement. Cette étude mondiale inéd...

À écouter également sur RTS, #CQFD avec @eperochon.bsky.social
🔗 www.rts.ch/audio-podcas...

@rts.ch

05.02.2026 15:09 👍 1 🔁 1 💬 1 📌 1
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The environment shapes the organization of ant societies A single queen in the tropics; large colonies in deserts; workers with uniform morphology in temperate regions: ant social structures vary according to environmental conditions. This is shown, for the...

The environment shapes the organization of ant societies 🐜

A new research @dee-unil.bsky.social @fbm-unil.bsky.social @unil.bsky.social published by @eperochon.bsky.social et al. in @pnas.org

Read the press release ➡️ www.unil.ch/news/en/1770...

05.02.2026 15:09 👍 2 🔁 3 💬 1 📌 1
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Environmental conditions shape the global distribution of ant societies | PNAS Sociality has evolved several times and is a key strategy for overcoming environmental challenges and promoting ecological success. Yet, it remains...

Our new study is out in @pnas.org ! 🐜🌍
We show that the environment shapes how ant societies are distributed across the world. Accessible here:
www.pnas.org/doi/10.1073/...

06.02.2026 08:54 👍 6 🔁 3 💬 1 📌 1
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Effects of environmental and individual variation on time patterns of extinction in small experimental populations Predicting the fate of small populations is essential in ecology, epidemiology and conservation biology. Small populations can go extinct quickly or can develop into large established populations. Th...

Our article is now out in Oikos! If you are interested in exploring extinction probabilities in small populations ⬇️

@thomastully.bsky.social @ieesparis.bsky.social @vpa-paris.bsky.social

@oikosjournal.bsky.social

nsojournals.onlinelibrary.wiley.com/doi/full/10....

01.10.2025 12:08 👍 2 🔁 2 💬 1 📌 0
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Müllerian Mimicry in Neotropical Butterflies: One Mimicry Ring to Bring Them All and in the Jungle Bind Them Aim Uncovering the effects of Müllerian mimetic interactions on the evolution of species niches and geographic distributions at a continental scale. Location Neotropics and part of Nearctic. Tim...

Finally published my master’s work in Global Ecology and Biogeography! 🦋🌎Huge thanks to all coauthors for their patience and support during this project. If you’re interested in butterflies/mimicry/biogeography, or just curious, you can read it here: onlinelibrary.wiley.com/doi/10.1111/...

01.10.2025 11:27 👍 4 🔁 1 💬 0 📌 0