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Lena Sachsenmaier

@lsachsenmaier.bsky.social
231 followers 107 following 12 posts

Doctoral Researcher @iDiv in the International Research Training Group TreeDì & AG Wirth/Weigelt @UniLeipzig Forest Ecology | Biodiversity & Ecosystem Functioning | Drought Responses | Tree Ecophysiology

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Reposted by Lena Sachsenmaier
Pablo Castro Sánchez-Bermejo @castretis.bsky.social · 11/09/2026
In our new preprint we propose a way to measure and partition diversity by working directly on the distributions. If you wanna try this with your own data, we created functions for calculating diversity, partitioning it and visualizing distributions 📈 Check the functions: doi.org/10.5281/zeno...
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Pablo Castro Sánchez-Bermejo @castretis.bsky.social · 12/08/2026
@jhortal.bsky.social @cristinaronquillo.bsky.social @cpcarmona.bsky.social @mbgcsic.bsky.social
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Reposted by Lena Sachsenmaier
New Phytologist @newphyt.bsky.social · 14/07/2026
On the relationship between root economics and plant hydraulic traits Sanaei et al. @anvarsanaei.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/...
Conceptual summary figure shows the results of the relationships between aboveground plant hydraulic strategies and root economics space traits.
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 18/05/2026
Glad to have shared some of our latest results on stomatal regulation of tree species at #EGU26🌳📊 Conference abstract here: doi.org/10.5194/egus... #TreePhysiology #Drought #Stomata
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TreeDì @treedi.bsky.social · 30/04/2026
Congratulations to Pablo, winner of the Dorothea Erxleben Doctoral Dissertation Award 2026 of @unihalle.bsky.social! @castretis.bsky.social @sylvia-haider.bsky.social @geobotanymluhalle.bsky.social @idiv-research.bsky.social
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 22/04/2026
Really enjoyed being part of this 📝🌳
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Reposted by Lena Sachsenmaier
Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 17/04/2026
🌳 New paper out! Congrats to our PhD researcher Analena Lenk 🎉 Drought, ash dieback & missing floods are reshaping floodplain forests in Leipzig. The study shows how targeted understorey thinning can support diverse regeneration. 🔗 www.sciencedirect.com/science/arti... #ForestEcology #ClimateChange
sciencedirect.com
Regeneration dynamics in response to an openness gradient caused by ash dieback, drought effects and understorey forest management in a meliorated European floodplain forest
Pathogens and droughts lead to increasingly thinned forests worldwide, shaping regeneration conditions. In Leipzig (Germany), we investigated the curr…
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Reposted by Lena Sachsenmaier
CBC Conference @cbc-conference.bsky.social · 24/02/2026
👇 𝗢𝗣𝗘𝗡 𝗖𝗔𝗟𝗟 𝗙𝗢𝗥 𝗔𝗕𝗦𝗧𝗥𝗔𝗖𝗧𝗦 🌍 𝗖𝗕𝗖 𝗖𝗼𝗻𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝟮𝟬𝟮𝟲 - 𝗖𝗼𝗻𝗻𝗲𝗰𝘁𝗶𝗻𝗴 𝗕𝗶𝗼𝗱𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝘆, 𝗖𝗹𝗶𝗺𝗮𝘁𝗲, 𝗮𝗻𝗱 𝗛𝘂𝗺𝗮𝗻 𝗕𝗲𝗵𝗮𝘃𝗶𝗼𝘂𝗿 📆 𝗗𝗲𝗮𝗱𝗹𝗶𝗻𝗲: 𝟭𝟰 𝗔𝗽𝗿𝗶𝗹 🔗 cbc-conference.org Please share this with your colleagues 🙏 @ufz.de @unileipzig.bsky.social
More Information on the call of abstract. They can also be found on the website.Poster on CBC 2026
Conference on Connecting Biodiversity, Climate, and Human Behavior
Sept 21-24, 2026
Leipzig, Germany
Organized by:
UFZ - Helmholtz Centre for Environmental Research
Universität Leipzig
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Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 06/01/2026
🌱 Before the winter break, our research group had a tree-planting activity at the #ARBOfun research arboretum Großpösna, kindly supported by the Botanical Garden Oberholz and pupils from the Wilhelm-Wander School. A cold but great day for everyone! 🌳
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Florian Schnabel @mixedforests.bsky.social · 22/12/2025
Just before the Xmas break🎉 In @journalofecology.bsky.social and led by Anvar Sanaei, we provide insight into #trait coordination across 90 common and future European #tree species👇 doi.org/10.1111/1365... @agwirthweigelt.bsky.social @unileipzig.bsky.social @uni-freiburg.de
doi.org
Above‐ and below‐ground trait coordination across 90 angiosperm and gymnosperm tree species in a common garden experiment
This research highlights the significance of elucidating the mechanisms behind above-and below-ground organs. The varying trait coordination across clades indicates different resource acquisition str...
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Reposted by Lena Sachsenmaier
Pablo Castro Sánchez-Bermejo @castretis.bsky.social · 17/12/2025
"Understanding leaf variability within tree species" 🍃🌿🍂 I wrote a "behind the paper" post talking about our recent paper in @natcomms.nature.com communities.springernature.com/posts/unders...
communities.springernature.com
Understanding leaf variability within tree species
Leaf diversity arises from differences among species, but also from differences within species and even within the same crown. In a recent study, we show how intraspecific and intraindividual trait va...
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Reposted by Lena Sachsenmaier
Henriette Christel @henriettechristel.bsky.social · 11/12/2025
Very happy to see my first PhD chapter being published 🤍 Take a look if you are interested in how tree species richness and mycorrhizal associations affect soil multifunctionality on a small scale 🌳🌳
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Pablo Castro Sánchez-Bermejo @castretis.bsky.social · 11/12/2025
In trees, intraspecific and intraindividual leaf trait variability decrease along a gradient of tree species richness and are an important part of functional diversity in forest stands, Our new paper is already out in @natcomms.nature.com doi.org/10.1038/s414... Want to know more about it? 🧵
doi.org
Intraspecific and intraindividual trait variability decrease with tree richness in a subtropical tree biodiversity experiment - Nature Communications
In forests, trait expression is influenced by tree-tree interactions. Castro Sánchez-Bermejo et al. show how phenotypic variability of tree species decreases with tree diversity and contributes import...
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Reposted by Lena Sachsenmaier
iDiv Biodiversity Research @idiv-research.bsky.social · 13/11/2025
New study led by @lsachsenmaier.bsky.social @agwirthweigelt.bsky.social shows: forest stands made up of tree species with different water-use strategies (not just many species) grow better in drought years. #iDivResearch #Biodiversity www.idiv.de/diverse-fore...
idiv.de
Diverse forests are more resistant to climate change
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 14/11/2025
Over 2,600🌳 #trees during the 2018–2020 #drought : • Traits disadvantageous in normal years became beneficial under drought • Trees grew better with neighbours whose hydro-functional traits differed from their own 🗞️Paper out now @globalchangebio.bsky.social onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Hydro‐Functional Traits and Their Dissimilarity to the Neighbourhood Buffer Tree Growth Against the 2018–2020 Central European Drought
Climate change is putting forests at risk. Our research shows that a tree's water-use strategy largely determines its growth across years: whereas one strategy performs better in normal years, the ot....
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TreeDì @treedi.bsky.social · 01/11/2025
Inspiring joint conference of @treedi.bsky.social and @multitroph.bsky.social at @idiv-research.bsky.social, with 20 presentations by doctoral researchers, 7 workshops, 5 international keynote speakers, 1 excursion and 1 guided city tour.
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Karl Andraczek @karlandraczek.bsky.social · 13/10/2025
I had the honour to write a @newphyt.bsky.social commentary on this fantastic paper — summarizing its key insights and exploring exciting directions for future research. Hope it may spark new ideas and helps the community! ✨ 🔗 nph.onlinelibrary.wiley.com/doi/10.1111/...
Trajectories of alpine plant communities under climate change.
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Justus Hennecke @henneckejustus.bsky.social · 07/10/2025
Super excited to see that the last chapter of my PhD on root trait - ecosystem functioning relationships is now published in @newphyt.bsky.social! nph.onlinelibrary.wiley.com/doi/full/10....
nph.onlinelibrary.wiley.com
Rooting for function: community‐level fine‐root traits relate to many ecosystem functions
Humans are driving biodiversity change, which also alters community functional traits. However, how changes in the functional traits of the community alter ecosystem functions—especially belowground...
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 22/07/2025
Busy making needle imprints and diving into stomatal worlds under the microscope 🔬🌲 Measuring stomatal size and density — still amazed by the incredible variation, even among conifers! #ARBOfun #stomata #conifer #drought #forest
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 16/07/2025
Such a great week with the #sTREND working group — lots of ideas on tree traits and neighbourhood diversity taking shape. 🌲🌳 Grateful to have been part of it! #FunctionalTraits #ForestDiversity @idiv-research.bsky.social
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Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 16/07/2025
Root shrinkage measurements of 40 #tree species at #ARBOfun completed! We've measured root #shrinkage, to understand #root-soil contact under #drought. The campaign was led by Dr. Anvar Sanaei with great support of our technician Nicole Nabel. Excited to see the results! #RootTraits #PlantScience
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 02/07/2025
Into the canopy for tiny pores 🌲🔎 We sampled needles from 12 #conifer species at the arboretum #ARBOfun to study stomatal density and size. Looking forward to the lab work & to uncovering what these traits can reveal about tree drought responses in a changing climate. #stomata #drought #forest
A person standing on a ladder collecting conifer needles of the species Tsuga canadensisClose-up of the abaxial side of Abies needles showing the white wax layers over the bands of stomataNeedle of Picea sitchensis under the binocular with wax layers of stomatal pores visibleView of the arboretum ARBOfun in Großpösna, Germany
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iDiv Biodiversity Research @idiv-research.bsky.social · 16/04/2025
16 April is the day when Leipzig celebrates its floodplain forest – and fittingly, a new paper by Annalena Lenk @agwirthweigelt.bsky.social shows how the current tree dieback combined with the thinning of certain understorey species, can support oak regeneration.🌳🍃 www.idiv.de/experiment-i...
idiv.de
Experiment in Leipzig’s floodplain forest
Using tree mortality to support oak regeneration
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iDiv Biodiversity Research @idiv-research.bsky.social · 10/04/2025
Congratulations to iDiv’s founding director Christian Wirth!🥂 Yesterday, he received the member certificate of the Academy of Sciences @leopoldina.org - a high scientific honour.👏 Read more (in German): www.idiv.de/de/christian... @agwirthweigelt.bsky.social @unileipzig.bsky.social #iDivImpact
idiv.de
iDiv-Gründungsdirektor Christian Wirth bekommt Urkunde als neues Mitglied der Leopoldina
Die Aufnahme in die 1652 gegründete Gelehrtengesellschaft gilt als hohe wissenschaftliche Anerkennung.
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Karl Andraczek @karlandraczek.bsky.social · 04/04/2025
🌍 Ever wondered what life is made of - literally? We just launched StoichLife, a global dataset of the elemental building blocks of life across nearly 6,000 species! 🌱🐟 Spanning land, water, and sea, it opens up new insights into how organisms are shaped by their environments 🏜️🏔️🌊 #stoichiometry
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Florian Schnabel @mixedforests.bsky.social · 07/04/2025
Interested in how #forest #resilience to #drought depended on tree diversity and #mycorrhiza? The study by @lsachsenmaier.bsky.social in @journalofecology.bsky.social was just shortlisted for the Harper Prize🚨👏 Read more on the paper here👇 jecologyblog.com/2025/04/04/l...
jecologyblog.com
Lena Sachsenmaier: Forest growth resistance and resilience to the 2018–2020 drought depend on tree diversity and mycorrhizal type
2024 HARPER PRIZE SHORTLIST: For the next two weeks, we are featuring the articles shortlisted for the 2024 Harper Prize. The Harper Prize is an annual award for the best early career research pape…
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Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 08/04/2025
👏 And also congrats to @karlandraczek.bsky.social! His paper on #biodiversity – #productivity relationships in managed #grasslands was as well shortlisted for the 2024 Harper Prize! 🌱 Read more on the Journal of Ecology blog: jecologyblog.com/2025/04/02/k...
jecologyblog.com
Karl Andraczek: Weak reciprocal relationships between productivity and plant biodiversity in managed grasslands
2024 HARPER PRIZE SHORTLIST: For the next two weeks, we are featuring the articles shortlisted for the 2024 Harper Prize. The Harper Prize is an annual award for the best early career research pape…
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Reposted by Lena Sachsenmaier
Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 08/04/2025
🎉 Congrats to our PhD student @lsachsenmaier.bsky.social, whose paper on #forest #growth #resistance & #resilience to drought was shortlisted for the 2024 Harper Prize! 🌳 Read more on the Journal of Ecology blog: jecologyblog.com/2025/04/04/l...
jecologyblog.com
Lena Sachsenmaier: Forest growth resistance and resilience to the 2018–2020 drought depend on tree diversity and mycorrhizal type
2024 HARPER PRIZE SHORTLIST: For the next two weeks, we are featuring the articles shortlisted for the 2024 Harper Prize. The Harper Prize is an annual award for the best early career research pape…
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Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 03/04/2025
New paper by our PhD student Annalena Lenk in #Forest #Ecology and Management: #Climate change-induced tree mortality can promote #oak regeneration in #floodplain forests – if flood-intolerant maple species are selectively removed. #Biodiversity #Research sciencedirect.com/science/arti...
sciencedirect.com
Elevated tree mortality as a regeneration niche for oak? Testing different management approaches in a meliorated floodplain forest
Pedunculate Oak (Quercus robur L.), a keystone species in European temperate floodplain forests, faces regeneration challenges due to dense canopies c…
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Florian Schnabel @mixedforests.bsky.social · 31/03/2025
Are you interested in #forest microclimate, biodiversity and ecosystem functioning? 🌲🌳🌡️ 🗞️In our new study we show: Tree diversity increases #forest temperature buffering🗞️ doi.org/10.1111/ele.... /w @remybeugnon.bsky.social, @uni-freiburg.de, @unileipzig.bsky.social, @agwirthweigelt.bsky.social
doi.org
Tree Diversity Increases Forest Temperature Buffering via Enhancing Canopy Density and Structural Diversity
Making use of 6 years of microclimate measurements in a large-scale tree diversity experiment covering a species richness gradient ranging from 1 to 24 tree species, we demonstrate that tree species ....
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Rémy Beugnon @remybeugnon.bsky.social · 23/03/2025
🌴🌳 Tree species richness increases climate buffering 🌡️🥵 I am so happy to share our latest piece, now published in Ecology Letters! onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com
Tree Diversity Increases Forest Temperature Buffering via Enhancing Canopy Density and Structural Diversity
Making use of 6 years of microclimate measurements in a large-scale tree diversity experiment covering a species richness gradient ranging from 1 to 24 tree species, we demonstrate that tree species ...
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Karl Andraczek @karlandraczek.bsky.social · 24/03/2025
Very cool paper reviewing how the Root Economics Space advances our understanding of fine-root functioning 🫚🌾☀️ It was a great pleasure to work with such an amazing team of coauthors, especially the fantastic lead team @elsaelsam.bsky.social , @joanabergmann.bsky.social
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Journal of Ecology @journalofecology.bsky.social · 20/03/2025
We're pleased to announce the shortlist for this year's Harper Prize. 🏆 Each year, we award the Harper Prize to the best paper in the journal by an early career author. See the full list here:
buff.ly
2024 Harper Prize Shortlist: Early Career Research Award
The Harper Prize is awarded annually by the British Ecological Society for the best paper in Journal of Ecology by an early career author. We are pleased to present th…
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Pablo Castro Sánchez-Bermejo @castretis.bsky.social · 10/03/2025
This has definitely been an adventure! 🥾 On Friday, after some years working on my PhD, I defended my thesis. And having the chance to give this step surrounded by colleagues, friends and family has been something “unbeleafable” 🍃
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Wirth-Weigelt Research Group @agwirthweigelt.bsky.social · 03/03/2025
How does #biodiversity affect plant #defence investment? We found that while overall defence investment remains stable, plant species richness decouples leaf and root defences. For more details, check out our paper: nph.onlinelibrary.wiley.com/doi/full/10.... @newphyt.bsky.social
nph.onlinelibrary.wiley.com
Plant species richness promotes the decoupling of leaf and root defence traits while species‐specific responses in physical and chemical defences are rare
The increased positive impact of plant diversity on ecosystem functioning is often attributed to the accumulation of mutualists and dilution of antagonists in diverse plant communities. While increa...
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Florian Schnabel @mixedforests.bsky.social · 25/02/2025
Interested in #forest restoration and #carbon sequestration? 🚨 In our new study in @globalchangebio.bsky.social we show that 🌳 Tree diversity 🌲 increases carbon stocks and fluxes in a tropical forest experiment. #TreeDivNet, @uni-freiburg.de onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com
Tree Diversity Increases Carbon Stocks and Fluxes Above—But Not Belowground in a Tropical Forest Experiment
We examined the potential of mixed-species planted forests compared to monospecific forests to act as a nature-based solution to climate change mitigation through carbon sequestration. By analysing m....
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Lena Sachsenmaier @lsachsenmaier.bsky.social · 24/02/2025
Really enjoyed the ARBOfun meeting @iDiv! Always a pleasure to exchange ideas in such a unique setting — happy to be part of this community! #ARBOfun
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Justus Hennecke @henneckejustus.bsky.social · 03/01/2025
What a nice start to 2025! The second chapter of my PhD is now out in Ecology Letters! onlinelibrary.wiley.com/doi/abs/10.1...
onlinelibrary.wiley.com
Plant Species Richness and the Root Economics Space Drive Soil Fungal Communities
Soil fungi are critical for plants and ecosystems but are also affected by the vegetation itself. Here, we show how an experimental gradient of plant species richness and community fine root traits d...
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bioRxiv Ecology @biorxiv-ecology.bsky.social · 27/11/2024
Intraspecific and intraindividual trait variability decrease with tree species richness in a subtropical tree biodiversity experiment www.biorxiv.org/content/10.1101/202…
biorxiv.org
Intraspecific and intraindividual trait variability decrease with tree species richness in a subtropical tree biodiversity experiment https://www.biorxiv.org/content/10.1101/2024.11.24.625116v1
Phenotypic variability within tree species responds to local tree species richness. However, we lack
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