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Georg J. A. Hähn

@georghaehn.bsky.social
58 followers 93 following 17 posts

Ecologist on the ride with his bike. 🌱🚲 Personal website: georghaehn.netlify.app

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Reposted by Georg J. A. Hähn
The International Association for Vegetation Science @iavs5.bsky.social · 21h
🌱 Travel Grant Awardee Spotlight Meet Carson, a first-year PhD student at UFRJ (Brazil) studying urban biotic homogenization: why forests in cities around the world are starting to look alike, no matter where you are. 🧵👇
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Young Scientists @iavs-young-sci.bsky.social · 03/10/2026
There is still time to register for the upcoming Webinar for Young Scientists! Don't be lazy—sign up via the link below👇 us06web.zoom.us/meeting/regi...
us06web.zoom.us
Welcome! You are invited to join a meeting: IAVS YS Webinar with Prof. David Zeleny: Community-weighted mean approach in trait vegetation ecology. After registering, you will receive a confirmation em...
Welcome! You are invited to join a meeting: IAVS YS Webinar with Prof. David Zeleny: Community-weighted mean approach in trait vegetation ecology. After registering, you will receive a confirmation em...
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Reposted by Georg J. A. Hähn
FORbEST - a Horizon Europe Project @forbest.bsky.social · 30/09/2026
🎤 Podcast Excerpt – Interviewing Andrea Chiocchio, University of Tuscia 🇮🇹 What comes next for FORbEST Work Package 1? 🎧 Listen to the full interview and discover more about WP1 on the FORbEST website. 👉 www.forbestproject.eu #forbestproject #horizoneurope #biodiversity
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Reposted by Georg J. A. Hähn
Fons van der Plas @fonsvanderplas.bsky.social · 01/10/2026
We have an open PhD position on how nitrogen deposition affects plant and arthropod biodiversity. The research includes large-scale fieldwork across Northwestern Europe with hands-on experiments. Interested? See www.wur.nl/en/vacancy/p...
wur.nl
PhD: Effects of atmospheric nitrogen deposition on plant and insect diversity
Are you a highly motivated and enthusiastic ecologist who wants to uncover how nitrogen deposition affects plant and arthropod biodiversity? Are you excited by the idea of combining large-scale fieldw...
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Reposted by Georg J. A. Hähn
Vegetation Classification and Survey (VCS) @vcs.pensoft.net · 01/10/2026
🎉 The 34th European Vegetation Survey Conference has wrapped up in Clermont-Ferrand! 👏Big congratulations to Lina Rinne, for their poster. 🙌They will receive a complimentary publication in a @pensoft.net-published journal of their choice.
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Reposted by Georg J. A. Hähn
The International Biogeography Society @biogeography.bsky.social · 29/09/2026
Tomorrow at 4:30PM UTC!
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Reposted by Georg J. A. Hähn
Vegetation Classification and Survey (VCS) @vcs.pensoft.net · 23/09/2026
📍 We're featured at @pensoft.net's booth at #SMCC2026, running this week in Sofia! 📚 This Thursday and Friday, come and find out more about the scope of our journal and how we can support your research in small mammal conservation. #SmallMammalConservation @habitatfoundation.bsky.social
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Vegetation Classification and Survey (VCS) @vcs.pensoft.net · 02/09/2026
🌿The 34th European #Vegetation Survey Conference #EVS2026 is happening 7-1 Sept 2026 in Clermont-Ferrand, France! Talks, posters, excursions & a @pensoft.net-sponsored best presentation prize. Also: a new Special Collection on Balkan Peninsula vegetation is open for abstracts (deadline 31 Oct). 👇
vcs.pensoft.net
34th European Vegetation Survey (EVS) Conference in Clermont-Ferrand, France
The 34th European Vegetation Survey (EVS) Conference will take place at the Polydome convention center in Clermont-Ferrand, France, from 7-11 September 2026, with a post-symposium excursion running th...
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Elina Kaarlejärvi @elinakaarlej.bsky.social · 24/08/2026
📢 We are hiring! PhD opportunity in my group as part of MSCA Doctoral Network ReDiLEEP, which recruits 13 Doctoral Candidates. Focus in this project: traits, responses & plant community stability in boreal forest and tundra. Supervised together with @lauraantao.bsky.social DL 18 Sept 👇
jobs.helsinki.fi
Doctoral Candidate (PhD) in plant community ecology
Doctoral Candidate (PhD) in plant community ecology
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Reposted by Georg J. A. Hähn
Journal of Vegetation & Applied Vegetation Science @jvs-avs.bsky.social · 26/08/2026
New in Journal of Vegetation Science: Friesová et al. surveyed 342 forest plots in Montenegro. Herb richness ranged 7 to 149 species per 100 m2. Oak forests on base rich soil topped 90 species; beech and evergreen forests were poorest. onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
https://onlinelibrary.wiley.com/doi/10.1111/jvs.70167
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Reposted by Georg J. A. Hähn
SORTEE @sortee.bsky.social · 25/08/2026
Visit the #SORTEE stand at the NSO–GfÖ joint conference in Odense, Denmark, in September (13th to 18th)! Come and say hi, grab a sticker, and discuss open and reproducible science with us. We can't wait to see you there! #NSO2026 #GfOe2026 @nordicoikos.bsky.social @gfoesoc.bsky.social
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Reposted by Georg J. A. Hähn
The International Biogeography Society @biogeography.bsky.social · 24/08/2026
Coming up this Wednesday!
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Reposted by Georg J. A. Hähn
Centre for Logic and Philosophy of Science (CLPS) @clpskuleuven.bsky.social · 24/08/2026
One week (!) left to apply to this #PhD opportunity with @sylviawenmackers.be investigating uncertainty & causality in climate models: www.kuleuven.be/personeel/jo... We would be grateful if you could share this with anyone who might be interested! More info in the 🧵👇 #philsci #philsky #HPS #AI 🧪
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Reposted by Georg J. A. Hähn
Julia Kemppinen @juliakemppinen.bsky.social · 24/08/2026
Position open! Come work with us at the Finnish Museum of Natural History at the University of Helsinki, Finland ☘️🌿🍃 Apply for the position of the vascular plant curator here: jobs.helsinki.fi/job/Helsinki...
jobs.helsinki.fi
Putkilokasvien intendentti
Putkilokasvien intendentti
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Reposted by Georg J. A. Hähn
Charlotte Grossiord @charlottegrossiord.bsky.social · 18/08/2026
📢 We’re hiring a Postdoctoral Researcher in Plant Ecophysiology at EPFL/WSL in Lausanne! 🌿 Study physiological mechanisms of leaf browning under heat & drought stress 🔬 Experimental plant ecophysiology 🎓 Mentoring/teaching opportunities Please share! Apply here: apply.refline.ch/273855/1893/...
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Reposted by Georg J. A. Hähn
Rob Denton @rddenton.bsky.social · 19/08/2026
[JOB!] I'm hiring for a really exciting postdoc position. A combination of breeding experiments, conservation genomics, and student mentorship. Room/board at the @amnh.org Southwestern Research Station each summer, 40 months of support, new science building at BSU. Share broadly! ad: bit.ly/4hKaUIL
A human hand holds a medium sized green frog with distinct gray spots and yellow eyes. This is a Chiricahua Leopard Frog, a threatened species native to the southwest US and Mexico.
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Carrie M. Tribble, PhD @tribblelab.bsky.social · 21/08/2026
Hello world! You bored? My research group is documenting flower color variation and you can help! check out tribblelab.org/flower_color... and dm me with any technical difficulties or issues. Share with your friends! The more players the better.
tribblelab.org
In Bloom — Flower Color Quiz
A crowdsourced flower-color observation quiz.
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Reposted by Georg J. A. Hähn
Julian Schrader @julianschrader.bsky.social · 07/08/2026
For all Early Career Ecologists interested in the skills that make a great ecologist Don't miss this talk by one of the world's leading ecologists and biogeographers @rjwhittaker.bsky.social from Oxford University www.youtube.com/watch?v=lI5r... #EcolClips #Ecology #career #science #university
youtube.com
What makes a good ecologist? with Prof. Rob Whittaker | EcolClips
YouTube video by EcolClips
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Reposted by Georg J. A. Hähn
Journal of Ecology @journalofecology.bsky.social · 03/08/2026
This study provides new mechanistic insights into whole-plant strategic trade-offs that govern plant adaptations and species coexistence in heterogeneous environments🌿 Find out more👉️ buff.ly/3PMG61A
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Vegetation Science Blog @vegsciblog.bsky.social · 03/08/2026
Call to contribute to a Special Collection “Vegetation of the Balkan Peninsula” in Vegetation Classification and Survey vegsciblog.org/2026/08/01/s... @iavs5.bsky.social
vegsciblog.org
Call to contribute to a Special Collection “Vegetation of the Balkan Peninsula” in Vegetation Classification and Survey - vegsciblog.org
Prepared by Jürgen Dengler, Erwin Bergmeier and Urban Šilc We are pleased to announce the upcoming Special Collection on the
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Emma-Liina Marjakangas @emmamarjakangas.bsky.social · 29/07/2026
📢 PhD opportunity at the University of Helsinki! Join the ANEW project to study ecological networks, seed dispersal and biodiversity conservation under global change. Apply by 31 Aug 2026. 🔗 jobs.helsinki.fi/job/31_8_202... #PhD #Ecology #Conservation #AcademicJobs
jobs.helsinki.fi
Doctoral Researcher (PhD student) in Ecological Networks and Biodiversity Conservation
Doctoral Researcher (PhD student) in Ecological Networks and Biodiversity Conservation
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Reposted by Georg J. A. Hähn
The International Association for Vegetation Science @iavs5.bsky.social · 16/07/2026
As we conclude the 2026 Annual Symposium in Gijón, Spain, we reflect on an incredible week of science, collaboration, and friendship. #IAVS2026 🌿
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Royal Society Publishing @royalsocietypublishing.org · 30/06/2026
Phylogenomics resolves the century-old ‘Zoraptera problem’: Zoraptera as the earliest diverging lineage of Polyneoptera doi.org/10.1098/rspb... | #ProcB #Evolution #Taxonomy
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Reposted by Georg J. A. Hähn
The International Biogeography Society @biogeography.bsky.social · 30/06/2026
Interested in more biogeography? Frontiers of Biogeography is TIBS's not-for-profit, Gold Open Access scientific journal. Check us out at biogeography.pensoft.net
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Brian J. Enquist @bjenquist.bsky.social · 26/06/2026
Four postdoc positions - Evolutionary Dynamics and Genomic Ecology (BCI EDGE)integrating population & evolutionary genomics, community ecology, metabolomics, & long-term forest dynamics to investigate the evolutionary processes maintaining tropical forest diversity stri.si.edu/story/bci-ev... 🧪 🌐 🌾
stri.si.edu
BCI Evolutionary Dynamics and Genomic Ecology project
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Reposted by Georg J. A. Hähn
Journal of Vegetation & Applied Vegetation Science @jvs-avs.bsky.social · 24/06/2026
Roads inside protected areas are invasion highways! Zardetto & Fidelis find that roadside edges fuel invasive plant spread in tropical forests & savannas, hitting native species hard. 🌿🚧 #VegetationScience
onlinelibrary.wiley.com
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Reposted by Georg J. A. Hähn
Sean Michaletz @seanmichaletz.bsky.social · 25/06/2026
Submit an abstract to our #AGU2025 session "Microclimate Variation and Heat Impacts on Vegetation: From Molecules to the Biosphere" (agu.confex.com/agu/agu26/pr...) @stephpau.bsky.social @luiza-aparecido.bsky.social @bposch.bsky.social @nicolebison.bsky.social @agubiogeosciences.bsky.social @agu.org
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Markus Eichhorn @markuseichhorn.bsky.social · 25/06/2026
Two jobs for graduate ecologists @hometreecharity.bsky.social, a brilliant NGO for nature restoration in the west of Ireland. 🌏🌲🌳
hometree.ie
Opportunities — Hometree
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iDiv Biodiversity Research @idiv-research.bsky.social · 26/06/2026
Werde Teil eines internationalen Forschungszentrums und unterstütze das PR‑Team von iDiv. Wir suchen einen Mediengestalterin / Mediengestalter (w/m/d). 💻📰 • 50 % (20 h/Woche) • 1 Jahr befristet • bis E9a TV‑L 🗓️ Bewerbungsfrist: 6. Juli 2026 👉 www.idiv.de/de/karriere/...
idiv.de
Stellenausschreibungen
Entdecke spannende Karrieremöglichkeiten bei iDiv. Werde Teil eines modernen, internationalen und innovativen Forschungszentrums.
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Camille Delavaux @camilledelavaux.bsky.social · 26/06/2026
Today is the last day to apply to our open PhD position working on plant-associated above-belowground fungal microbiomes across the Galapagos! Based at the amazing @niooknaw.bsky.social 🌱🍄
nioo.knaw.nl
PhD: Biogeography of plant-associated fungi on the Galapagos islands
In this project, you will investigate the biogeography of above- and belowground fungi associated with several Scalesia species. We aim to develop an integrated view of diversity and distribution of t...
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Georg J. A. Hähn @georghaehn.bsky.social · 25/06/2026
Awesome opportunity! I am always happy to chat about #sPlot and #macroecology - meet me at the #IAVS2026 if you want to chat about the possibilities of #sPlot www.nature.com/articles/s41...
nature.com
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Reposted by Georg J. A. Hähn
Young Scientists @iavs-young-sci.bsky.social · 25/06/2026
See you later at the #YoungScientists Working Group Meeting in ROOM 1 at the 68th #IAVS Annual Symposium!
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Georg J. A. Hähn @georghaehn.bsky.social · 24/06/2026
@gonzalezgvictor.bsky.social guided us through the Spanish mountains on the #IAVS2026 mid conference excursion. Don’t miss his talk on Diversity and distribution of native Pinus sylvestris forests in the Iberian Peninsula at 10:40 tomorrow morning 🌱😁 @iavs5.bsky.social @iavs-young-sci.bsky.social
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Georg J. A. Hähn @georghaehn.bsky.social · 22/06/2026
I'll be at P189 tomorrow—come say hi and chat about microclimate predictions from sampled forest vegetation! #IAVS2026 @iavs-young-sci.bsky.social @iavs5.bsky.social
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Georg J. A. Hähn @georghaehn.bsky.social · 20/06/2026
Just finished fixing weather stations in the boreal forest in Alberta, CA and now heading to #IAVS2026 to talk about microclimate and community assembly in forests. #microclimate #plants #ecology #climatechange
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Journal of Vegetation & Applied Vegetation Science @jvs-avs.bsky.social · 02/06/2026
Plakman & Bokhorst show bryophytes strongly shape seed germination and early vascular plant growth in sub-Arctic habitats. Effects depend on bryophyte species via microclimate, pH, moisture and surface structure, influencing plant establishment.
onlinelibrary.wiley.com
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Vegetation Science Blog @vegsciblog.bsky.social · 02/06/2026
Palaearctic Grasslands 67 is published vegsciblog.org/2026/06/02/p... @iavs5.bsky.social
vegsciblog.org
Palaearctic Grasslands 67 is published - vegsciblog.org
The post provided by Idoia Biurrun (Deputy Chief Editor of Palaearctic Grasslands) The new issue of Palaearctic Grasslands is out,
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Biogeography Berlin @biogeoberlin.bsky.social · 31/05/2026
Old-growth forests are biotic microrefugia - new paper out in @conservationsp.bsky.social led by @georghaehn.bsky.social Vanessa Berger @geobotanymluhalle.bsky.social @gonzalezgvictor.bsky.social @michakoehlerbotany.bsky.social @borjajimalf.bsky.social @tkuemmerle.bsky.social & Francesco M. Sabatini
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Georg J. A. Hähn @georghaehn.bsky.social · 29/05/2026
Meet me at #IAVS2026 to chat about plant community assembly and microclimate 🌱🌦️
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Enrico Tomelleri @etomelleri.bsky.social · 13/05/2026
We have a few upcoming job openings. Feel free to get in contact in case of interest:
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IPBES @ipbes.net · 04/05/2026
Inspired Yoda’s look, the tarsier did. 🌌 This #StarWarsDay, let's remember that even the galaxy’s most iconic figures have roots in Earth’s biodiversity. IPBES science shows nature’s health is the force binding all life together. To ignore the evidence, unwise it is. 🌍✨ #MayThe4thBeWithYou
Photo of a tarsier clinging to a tree branch at night, with large round brown eyes and grey-brown fur. Dark background with blurred green foliage. IPBES logo (Science and Policy for People and Nature) in top left corner. Text in white and grey bold capitals reads: "PROTECT BIODIVERSITY, WE MUST. STRONG WITH NATURE, THE FUTURE IS."
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SORTEE @sortee.bsky.social · 15/04/2026
This seventh instalment of the #ECRAsks series is all about improving communication & engagement within and beyond the #openscience community. Check out Oakleigh Wilson’s conversation with Cecilia Baldoni on the #SORTEE blog to learn more! ✨ sortee.org/blog/2026/04...
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Young Scientists @iavs-young-sci.bsky.social · 30/03/2026
Very important news on the #IAVS Early Career Supporting Grant! The application #deadline has been postponed! 🗓️New Deadline: 07/04/2026 Please help us spread this news! www.iavs.org/page/YSCaree...
iavs.org
Career supporting grants - International Association for Vegetation Science (IAVS)
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Dave Hemprich-Bennett @davehb.bsky.social · 25/03/2026
I’m not sure if I ever shared on Bluesky this article we wrote on how almost everyone giving career advice is susceptible to survivorship bias, but I think it was good and you should read it www.nature.com/articles/d41...
nature.com
Beware survivorship bias in advice on science careers
For objective careers advice, talk to those who left science as well as those who stayed.
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Young Scientists @iavs-young-sci.bsky.social · 25/03/2026
🌱 Life as an early‑career researcher can be tough… But luckily, some problems do have a solution! 💡 The #IAVS offers a grant program to support its members in their career development❗️ 🌟 OPEN CALL🌟 👉 Apply www.iavs.org/page/YSCaree... ⚠️ Remember: the deadline is 30/03/2026
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The International Association for Vegetation Science @iavs5.bsky.social · 23/03/2026
🌱 #IAVS2026 Symposium Workshop Announcements Learn practical tools for transparent workflows, including FAIR data, Quarto, and git/GitHub, through guided hands-on exercises. 📅 21 June 2026 | ⏰ 10:00–12:30, 13:30–16:00 👥 25 places available 🔗 More details: 2026gijon.iavs-meetings.org/program/
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Journal of Vegetation & Applied Vegetation Science @jvs-avs.bsky.social · 21/03/2026
🌲 In honour of the International Day of Forests (21 March) we invite submissions to Journal of Vegetation Science on forest vegetation, succession, and monitoring. 📄 Author guidelines: onlinelibrary.wiley.com/page/journal...
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Marc J. Lajeunesse @lajeunesselab.bsky.social · 20/03/2026
Ecologists love response ratios for meta-analysis❤️ But… they can’t be converted into other effect sizes—making it impossible to have a unified dataset of all published effect sizes in ecology I fix this with a conversion to Hedges’ d to help unify our data! (Link to Ecology Letters paper below):
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Young Scientists @iavs-young-sci.bsky.social · 14/03/2026
✨A new #IAVSYSWEBINAR is coming soon 🌱 Are you curious to find out who our next speaker will be❓ Stay tuned for upcoming events and to participate #IAVSYS #IAVSYSWEBINAR
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Young Scientists @iavs-young-sci.bsky.social · 05/03/2026
🚀 Great #opportunity for early-career #vegetation scientists! 🌱 The IAVS ECS Grant supports MSc/PhD students and early Postdocs to boost their #career! Grow your skills, network, and research! 🌿 Apply on our Website👇 www.iavs.org/page/YSCaree...
iavs.org
Career supporting grants - International Association for Vegetation Science (IAVS)
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