Lightnews — Scholar-powered news

Orianne Tournayre @otournayre.bsky.social · 4h

Congratulations on your new position!🎉😄

Reposted by Orianne Tournayre

Bat Conservation Trust @batconservation.bsky.social · 6d

Bats are often portrayed as scary and spooky, particularly in the lead up to #Halloween. Help us to fight misinformation, look at more factual information about #bats 🦇 here: www.bats.org.uk/about-bats

And don't forget to check out all our free resources too www.bats.org.uk/resources

#lovebats ❤️🦇

About Bats - Bat Conservation Trust

Bats are fascinating animals – the only true flying mammal. There are 1,500 species of bats in the world (as of September 2025), and more are still bein...

www.bats.org.uk

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Reposted by Orianne Tournayre

Olivier Gimenez 🦦 @oaggimenez.bsky.social · 6d

📢 Nous recrutons 😉😇
🔍 Ingénieur-e surveillance de la faune sauvage 12 mois 📸 🗺
📅 Candidature jusqu’au 24/10/25 (début contrat 15/01/2026)
🔗 emploi.cnrs.fr/Offres/CDD/U...

@osuoreme.bsky.social @cnrsecologie.bsky.social @cnrsoccitanieest.bsky.social @chamaillejammes.bsky.social

Portail Emploi CNRS - Offre d'emploi - Ingénieur-e surveillance de la faune sauvage (H/F)

emploi.cnrs.fr

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Reposted by Orianne Tournayre

European Environment Agency @eea.europa.eu · 10d

🌍🚨 Europe’s environment 2025 is out now, and the conclusions are sobering:

⚠️ Europe’s environment is in poor shape. Nature continues to degrade, biodiversity is declining, and Europe is warming faster than any other region.

www.eea.europa.eu/en/newsroom/...

#EuropesEnvironment2025

State of Europe’s environment not good: threats to nature and impacts of climate change top challenges

Significant progress has been made in reducing greenhouse gas emissions and air pollution, but the overall state of Europe’s environment is not good, especially its nature which continues to face degr...

www.eea.europa.eu

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Reposted by Orianne Tournayre

Jules Segrestin @jsegrestin.bsky.social · 8d

🌿 Excited to share FAIRTraits!

A data set with 189,452 records of 180 quantitative #traits from 240 Mediterranean plant species, fully FAIR-compliant & openly available 📊🌐

🔗🔓 doi.org/10.1002/ecy....

Started back in 2013 when I was a MSc student, now a huge team effort 💪

@esajournals.bsky.social

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Reposted by Orianne Tournayre

Kayce Bell @kaycebell.bsky.social · 15d

Hi! We need lice for our diversity and adaptation project. Specifically, we need lice from zebras, camelids (camels, llamas, alpacas, vicuñas, guanacos) & aardvarks. If you or someone you know might have lice, I'm happy to discuss our inclusive collaboration plans!
sites.google.com/nhm.org/anop...

Mammals & Lice

We are interested in understanding what drives host-parasite relationships. We are using the Anoplura (sucking lice) parasite and mammalian host system to generate a comprehensive sucking louse phylog...

sites.google.com

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Reposted by Orianne Tournayre

Andy Gonzalez @bio-diverse.bsky.social · 16d

La #biodiversité canadienne étalée sur une carte www.ledevoir.com/environnemen...

Pour en savoir plus sur Blitz the Gap:
blitzthegap.org
@biomcgill.bsky.social @qcbs.ca

La biodiversité canadienne étalée sur une carte

Les espèces de la faune et de la flore canadiennes ont été répertoriées dans d’un projet scientifique citoyen.

www.ledevoir.com

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Reposted by Orianne Tournayre

Teun Everts @teuneverts.bsky.social · 22d

#Chytrid fungus and #ranavirus jeopardize amphibian well-being.

We present a novel duplex #eDNA assay to detect both simultaneously from water samples.

We also show that the presence and density of #invasive #bullfrogs is related to that of chytrid fungus, but not ranavirus, in space and time 🐸

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Reposted by Orianne Tournayre

Dr. Joan Dudney @dudney-joan.bsky.social · 28d

Super awesome new paper in #MEE describing #causal #detection of shifts in #biodiversity! So many great insights here—a must read for those interested in #causalinference

And love Fig 3! Congrats team! @lsantinieco.bsky.social

doi.org/10.1111/2041...

DAGs showing confounding, mediator and collider variables

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Reposted by Orianne Tournayre

Wendy Morgado @wbmorgadog.bsky.social · 25d

Meet 𝘋𝘢𝘱𝘩𝘯𝘪𝘢 𝘱𝘶𝘭𝘦𝘹 🔬✨

These tiny freshwater organisms helped us study how environmental DNA & RNA (eNAs) degrade and persist in water. Even the smallest creatures can reveal big insights about biodiversity and ecosystem health. @biomcgill.bsky.social

#eDNA #eRNA #Daphnia #Science

Picture by Sophie Gaffney, undergrad student in microbiology at McGill university

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Reposted by Orianne Tournayre

Pieter De Frenne @pieterdefrenne.bsky.social · 26d

Cool method to know which insect species visited a flower🌼: Using Flower eDNA Metabarcoding to Identify the Effects of Forest🌳 Structure and Microclimate on Flower-Visiting Arthropods🪰🐝 doi.org/10.1002/edn3...

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Reposted by Orianne Tournayre

Wendy Morgado @wbmorgadog.bsky.social · Sep 4

Excited to share a new Conversation article with @otournayre.bsky.social 🧬at @biomcgill.bsky.social
We show that environmental RNA, long considered too unstable, can actually give us a snapshot of what’s alive right now in lakes and rivers.

🔗 theconversation.com/how-environm...

How environmental RNA can give us a real-time picture of freshwater biodiversity

Recent studies have demonstrated that eRNA, previously considered too unstable for field use, can be reliably detected in freshwater ecosystems.

theconversation.com

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Reposted by Orianne Tournayre

Olivier Gimenez 🦦 @oaggimenez.bsky.social · Sep 2

🌿🤝 Excited to launch BRAM - Biodiversity, Research & Mediation in Montpellier!

🎯 This new consortium unites research, local authorities & biodiversity managers to co-create projects where science meets society.

🦦🌃 From species management to urban nature and ecological connectivity.

Anne Bancel & Jean-Christophe Avarre (IRD), Pierre-Edouard Guillain (OFB), Isabelle Touzart (Montpellier Méditerranée Métropole), Stéphane Jouault (ville de Montpellier), Philippe Augé (Montpellier university), Laurent Barbieri (CNRS)

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Orianne Tournayre @otournayre.bsky.social · Aug 13

📢 New #eDNA and #eRNA study!🧬
We used dPCR to compare #decay rates and #detectability across 4 #markers (16S, 18S, COI, LDHA) in 1000L freshwater mesocosms.
Massive effort led by PhD student ‪@wbmorgadog.bsky.social‬
onlinelibrary.wiley.com/doi/10.1111/...

Wiley Online Library

One of the largest and most authoritative collections of online journals, books, and research resources, covering life, health, social, and physical sciences.

onlinelibrary.wiley.com

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Reposted by Orianne Tournayre

Wendy Morgado @wbmorgadog.bsky.social · Aug 13

🎉Our paper is out in Molecular Ecology Resources! We tracked eDNA vs eRNA decay in connected & isolated 1000-L mesocosms using dPCR. eRNA decays faster, and both signals can move across the network. OA: doi.org/10.1111/1755...
With @otournayre.bsky.social & Melania Cristescu
#eDNA #eRNA #Freshwater

Comparative Decay Dynamics and Detectability of eDNA and eRNA in Connected and Isolated Freshwater Mesocosms Using Digital PCR

Efficient use of environmental nucleic acids (eNAs) in freshwater biodiversity monitoring requires understanding their degradation and detectability in interconnected ecosystems. We employed a novel ....

doi.org

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Orianne Tournayre @otournayre.bsky.social · Aug 11

Thank you @drgaryfuller.bsky.social for highlighting our research, we really appreciate your interest and the great discussion!

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Reposted by Orianne Tournayre

Dr Joanne Littlefair @jlittlefair.bsky.social · Aug 11

Some great press coverage of our work on a national biodiversity survey conducted with airborne #eDNA, led by @otournayre.bsky.social @profbatgirl.bsky.social. Thanks for the writeup!

Dr Gary Fuller @drgaryfuller.bsky.social · Aug 8

A chance link via social media led to the first national survey of UK biodiversity using eDNA collected in #airpollution samplers.

My latest for @theguardian.com

Research by @ucl.ac.uk York University, Canada & the National Physical Laboratory.

www.theguardian.com/environment/...

Air pollution filters help scientists produce first UK wildlife survey using eDNA

Social media post led to discovery that samplers measuring toxic particles in air can also detect fragments of DNA

www.theguardian.com

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Reposted by Orianne Tournayre

Dr Gary Fuller @drgaryfuller.bsky.social · Aug 11

One of the post fascinating scientific paper that I've read in months. A pleasure to discuss with the team and to write up for the @theguardian.com

Dr Joanne Littlefair @jlittlefair.bsky.social · Aug 11

Some great press coverage of our work on a national biodiversity survey conducted with airborne #eDNA, led by @otournayre.bsky.social @profbatgirl.bsky.social. Thanks for the writeup!

Dr Gary Fuller @drgaryfuller.bsky.social · Aug 8

A chance link via social media led to the first national survey of UK biodiversity using eDNA collected in #airpollution samplers.

My latest for @theguardian.com

Research by @ucl.ac.uk York University, Canada & the National Physical Laboratory.

www.theguardian.com/environment/...

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Reposted by Orianne Tournayre

Dr Joanne Littlefair @jlittlefair.bsky.social · Aug 1

A great FAIR (Findable, Accessible, Interoperable, Resuseable) hosted by Miwa Takahashi of CSIRO, @lynseyrharper.bsky.social @nidunn.bsky.social last Friday. Recording great metadata for #eDNA studies, #futureproof

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Reposted by Orianne Tournayre

Pedro Brandão-Dias F Pinto @pedrobd.bsky.social · Aug 1

I now have the perfect video for the intro slide on #eDNA presentations where I say "things shed DNA as they swim around".

#polychaetes #epitoke

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Reposted by Orianne Tournayre

Erin Hahn (she/her) @erinhahn.bsky.social · Aug 1

🚨 New paper led by ANWC postdoc @liviagerber.bsky.social!

We developed a high-yield 🧬 extraction method for FTA Elute cards - enabling long read AND epigenomic studies from field-collected nucleated blood 🦎 - even after 10+ years at room temp.

🔗 doi.org/10.1371/jour...

Stable preservation and recovery of methylation marks from FTA elute cards in species with nucleated red blood cells using a customized DNA extraction method

Specialized chemically-coated paper cards, such as Flinders Technology Associates (FTA) cards, provide simple and reliable storage of nucleic acids by protecting DNA from degradation. Owed to their si...

doi.org

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Reposted by Orianne Tournayre

Frédéric Rimet @rimetfrederic.mastodon.social.ap.brid.gy · Jul 23

Please find our new paper in Molecular Ecology:
Omics to Study and Manage Aquatic Environments: A Snapshot From the AquaEcOmics Meeting (Evian-les-Bains, 2025). https://onlinelibrary.wiley.com/doi/10.1111/mec.70041

A good summary of the […]

[Original post on mastodon.social]

Sankey diagram giving the proportions of contributions (oral and poster communications) given at the AquaEcOmics meeting in Evian from March 2025, depending on the study scope and the input category. The above diagram is given for microorganisms (74 contributions) and the diagram below for macroorganisms (64 contributions).

Themes contributions given at the AquaEcOmics meeting in Evian from March 2025. The three major themes gather topics in coloured circles and are synthetised in Section 3 (Fundamental science discoveries in aquatic ecology and biology), Section 4 (Stakeholder-driven research) and Section 5 (Methodological gaps and possible solutions).

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Reposted by Orianne Tournayre

Prof. Elizabeth Clare @profbatgirl.bsky.social · Jul 23

New paper from the lab onlinelibrary.wiley.com/doi/10.1002/...

Describes the extreme stress of the Lake Xochimilco ecosystem of Mexico. #eDNA #biodiversity #AcademicSky 🧪

onlinelibrary.wiley.com

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Reposted by Orianne Tournayre

Erin Hahn (she/her) @erinhahn.bsky.social · Jul 16

📣 New paper! 📣

We summarise the outputs of last year's @sednasociety.bsky.social Airborne eDNA Workshop & chart a path for airborne eDNA as a transformative tool for #biodiversity, #biosecurity & #conservation.

🔗 tinyurl.com/4a8vb6ja

#eDNA #airDNA #SeDNAS

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Reposted by Orianne Tournayre

Sara Mendes @sarammendes.bsky.social · Jul 3

New paper out! 🏙️ We found that urbanisation simplifies and homogenises seed dispersal networks. 🪴🐦‍⬛ Non-native plants dominate in cities, accounting for 61% 😔 of interactions in the urban network vs just 15% in forests! 🪻🌿🌴
Check it out: doi.org/10.1111/cobi...
🌐🧪🌍🍁

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