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Joannès Guillemot

@joguillemot.bsky.social
2.5K followers 839 following 18 posts

Researcher in forest ecophysiology🌴🌳 @cirad.bsky.social Forest restoration, forest plantations and biodiversity-functioning relationships Work mostly in 🇪🇺 and 🇧🇷 More here: agents.cirad.fr/Joann%C3%A8s+Guille…

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Joannès Guillemot @joguillemot.bsky.social · 29/04/2026
New paper out in Global Change Biology 🌴 🌳 Fast Net Carbon Balance Recovery After Clear-Cutting but Uncertain Long-Term Carbon Accumulation in Eucalyptus Plantations ⚠️Long-term C accumulation in commercial Eucalyptus plantations is not guaranteed, despite their high productivity.⚠️
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UMR Eco&Sols lab @umr-ecosols.bsky.social · 07/04/2026
📣Soutenance HDR de notre Joannès Guillemot🎄 lundi 27 avril 2026, à 14h00 Lieu : amphithéâtre 206 – Bât 9 – Institut Agro Montpellier 🎉 "Fonctionnement hydrique et carboné des forêts gérées face aux changements globaux : vulnérabilité, adaptation et atténuation"
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UMR Eco&Sols lab @umr-ecosols.bsky.social · 07/04/2026
A 2-year postdoc with Eco&Sols, hosted at CESAB (French Centre for the Synthesis and Analysis of Biodiversity). Objective : a meta-analysis of tree diversity effects on forest drought resilience. Starting date: 1st September 2026. Application deadline : 17th May 2026 Job announcement 👇
fondationbiodiversite.fr
Job opportunities - Fondation pour la recherche sur la biodiversité
Créée en 2008, la FRB recherche régulièrement de nouveaux collaborateurs. Elle constitue un point de convergence entre la science et la société, autour des défis que doit aujourd’hui relever la recher...
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FRB|Fondation pour la recherche sur la biodiversité @frbiodiv.bsky.social · 02/04/2026
[📢 Postdoc offer in Montpellier, France] Tree diversity effects on forest resilience to drought 🌲 Join the international team of the #DIV4DROUGHT project at the #FRB-CESAB 🔗 More informations: bit.ly/43uRz6Z 🧪🌐
bit.ly
Job opportunities - Fondation pour la recherche sur la biodiversité
Créée en 2008, la FRB recherche régulièrement de nouveaux collaborateurs. Elle constitue un point de convergence entre la science et la société, autour des défis que doit aujourd’hui relever la recher...
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Florian Schnabel @mixedforests.bsky.social · 20/03/2026
🌳 New paper out on Integrative Forest Management (IFM)🌲 How can we manage European forests to support biodiversity, global change adaptation, and ecosystem service provision? We propose IFM as a unifying framework to tackle this challenge. #TRANSFORMIT www.sciencedirect.com/science/arti...
sciencedirect.com
Managing European forests for biodiversity conservation and global change adaptation: An assessment of current management concepts
Integrative forest management (IFM) aims at integrating biodiversity conservation and global change adaptation into forest management for the sustaina…
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Joannès Guillemot @joguillemot.bsky.social · 08/01/2026
New paper out! 🎉 Led by Jenickson Costa @uspoficial.bsky.social @cirad.bsky.social @jenicksoncosta.bsky.social Forest Ecosystem Multifunctionality: A Systematic Review of Measures and Drivers 🌳🌲 link.springer.com/article/10.1...
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Nature Ecology & Evolution @natecoevo.nature.com · 22/09/2025
This meta-analysis finds that planting nitrogen-fixing species increases soil carbon compared with non-nitrogen-fixing species, potentially offering a nature-based solution to mitigate climate change for forestation, agriculture and land regeneration 🧪🌳 www.nature.com/articles/s41...
nature.com
Meta-analysis shows that planting nitrogen-fixing species increases soil organic carbon stock - Nature Ecology & Evolution
This meta-analysis finds that planting nitrogen-fixing species increases soil carbon compared with non-nitrogen-fixing species. Using nitrogen-fixing species for forestation, agriculture and land rege...
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Charlotte Grossiord @charlottegrossiord.bsky.social · 14/08/2025
🌳🔥Out now: Our review on compound droughts and forest responses - from leaf to ecosystem. Featuring a stunning 20-yr map of canopy temperatures variation across European forests. @chriswernerlab.bsky.social @simonhaber.bsky.social @vallicrosah.bsky.social onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Impact of emerging compound droughts on forests: A water supply and demand perspective
This review examines the physiological and ecological responses of trees to emerging compound droughts from a water demand and supply perspective, as well as the role of acclimation and consequences ...
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Brian J. Enquist @bjenquist.bsky.social · 01/08/2025
Yes, many tropical trees have annual rings! Great to contribute to this global synthesis led by @pieterzuidema.bsky.social, indicating stronger droughts w climate change may shift observed more resilient responses toward more widespread decreases in productivity www.science.org/doi/10.1126/... 🧪🌾🌐
science.org
Pantropical tree rings show small effects of drought on stem growth
Increasing drought pressure under anthropogenic climate change may jeopardize the potential of tropical forests to capture carbon in woody biomass and act as a long-term carbon dioxide sink. To evalua...
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Meade Krosby @meadekrosby.bsky.social · 01/08/2025
This paper is getting attention for suggesting ecosystem restoration won't help with mitigation, but restoration is still *critical* for adaptation. Restoring coastal wetlands helps reduce risks from sea level rise and hurricanes, restoring urban forests helps reduce risks from extreme heat, etc...
nature.com
Limited carbon sequestration potential from global ecosystem restoration - Nature Geoscience
The maximum carbon sequestration potential from global terrestrial ecosystem restoration efforts until 2100 is 96.9 Gt, which is equivalent to 3.7–12.0% of anthropogenic emissions until then, accordin...
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Drew Peltier @peltierdrew.bsky.social · 01/08/2025
A very comprehensive analysis of lagged precipitation effects in terrestrial ecosystems. Tree rings, flux, grassland ANPP, satellite remote sensing, and DGVMs. Climate memory is an important driver of global plant productivity.
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Forrest Fleischman @forrestf.bsky.social · 01/08/2025
"if we plan restoration targets to match future climatic conditions and consider state transitions of currently natural ecosystems due to climate change, the potential for natural climate solutions related to ecosystem restoration is close to zero." www.nature.com/articles/s41...
nature.com
Limited carbon sequestration potential from global ecosystem restoration - Nature Geoscience
The maximum carbon sequestration potential from global terrestrial ecosystem restoration efforts until 2100 is 96.9 Gt, which is equivalent to 3.7–12.0% of anthropogenic emissions until then, accordin...
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Drew Peltier @peltierdrew.bsky.social · 14/07/2025
Also in GCB: a meta-analysis of precipitation pulse-responses in C and water cycling (doi.org/10.1111/gcb....). *Huge* effort by @ecophysism.bsky.social. We characterized both the size of response to pulses, and also the shape (do we even see a hump?). Future C-water coupling shifts are possible 🌐🌍
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Joannès Guillemot @joguillemot.bsky.social · 11/06/2025
Cool results from the #funpotential project presented by @mikkopel.bsky.social today at the biodivclim final event @biodiversa.eu. They help understand how and why tree diversity can help to adapt forest to climate change.
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Joannès Guillemot @joguillemot.bsky.social · 11/06/2025
@umr-ecosols.bsky.social @cirad.bsky.social
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Mikko Peltoniemi @Luke @mikkopel.bsky.social · 11/06/2025
Interesting research results from #MixForChange @biodiversa.eu project by @joguillemot.bsky.social et al: drougth sensitive tree species do better among drought tolerants. #BioDivClim #FunPotential
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Lucien Hinderling @lhinderling.bsky.social · 02/06/2025
Inkscape plugin to rescale figures without distorting the text, and other useful features! github.com/burghoff/Sci...
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UMR Eco&Sols lab @umr-ecosols.bsky.social · 26/05/2025
The objective of the scanners developed by the team “Emma Belaud, Christophe Jourdan, Mickael Hedde and Philippe Gallet ” is monitoring root dynamics and soil macrofauna. Paper describing the scanner methodology : link.springer.com/article/10.1...
link.springer.com
In situ soil imaging, a tool for monitoring the hourly to monthly temporal dynamics of soil biota - Biology and Fertility of Soils
The complexity of the opaque soil matrix is a major obstacle to studying the organisms that inhabit it. Fast technological progress now offers new possibilities for the monitoring of soil biodiversity...
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UMR Eco&Sols lab @umr-ecosols.bsky.social · 26/05/2025
The “Brazil team” Agnès Robin, Daniel Poultney, Joannès Guillemot and Guerric Le Maire @umr-ecosols.bsky.social @cirad.bsky.social installed buried scanners (paper link below) in the MataDIV Experiment (TreeDivNet) with the teams from Floragro and the Itatinga experimental station (ESALQ-USP).
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Tommaso Jucker @tommaso-jucker.bsky.social · 26/05/2025
#oneforjournalclub Really nice example of combining TLS and tree ring records to characterise how crown architecture and canopy structure shape long-term tree growth strategies www.sciencedirect.com/science/arti...
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UMR Eco&Sols lab @umr-ecosols.bsky.social · 21/05/2025
Congresso Plantações Florestais 2025, Piracicaba, Brazil, SP organized by IPEF from May 13 to 15. The team @umr-ecosols.bsky.social @cirad.bsky.social was present with Brazilian partners to participate in discussions on research concerning forest plantations and their implementation with companies.
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Francis M. Martin @fmartin54.bsky.social · 18/05/2025
Mechanisation of forest operations drives long-term changes in plant communities www.sciencedirect.com/science/arti...
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Rebecca R Helm @rebeccarhelm.bsky.social · 12/05/2025
A cartoon of a jellyfish with

Text: the most deadly jellyfish paralyze their victims with too many choices  

Jellyfish speech bubble: or we could get tacos for dinner!
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David Ho @davidho.bsky.social · 10/05/2025
Bottom trawling is horribly destructive to coastal ocean ecosystems, and deep-sea mining will do the same to the open ocean. #OceanFilm 🌊
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Danny Deraney @dannyderaney.bsky.social · 04/05/2025
Wanna see something cool? At the Grammy's in 1976, Ella Fitzgerald and Mel Torme explained what jazz is. The result? The crowd losing its mind. 🔥
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Cameron Nixon @cameronjnixon.bsky.social · 02/05/2025
My "the shot" from the Matador, TX tornado
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Aleksi Lehtonen @aleksileh.bsky.social · 04/04/2025
If you are interested how long it takes for forest soil C to recover from clear-cut, check our new paper: www.sciencedirect.com/science/arti... @luke.fi @nibiolandskap.bsky.social @holisoils.bsky.social
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Plant Physiology @plantphys.bsky.social · 13/02/2025
Leaf minimum conductance dynamics during and after heat stress: Implications for plant survival under hotter droughts (Viviane de Araújo Brito Fernandes, Fernanda Santos Farnese, Brenner Ryan Arantes, et. al.) doi.org/10.1093/plphys/kiaf026 @ASPB #PlantScience
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Charlotte Grossiord @charlottegrossiord.bsky.social · 26/03/2025
onlinelibrary.wiley.com/doi/abs/10.1...
onlinelibrary.wiley.com
Acclimation to High Vapor Pressure Deficit in Warmer Air Can Reduce Tree Vulnerability to Drought‐Induced Mortality
Trees of the European tree species Prunus mahaleb, Quercus robur, and Populus nigra demonstrated both favourable and unfavourable acclimation mechanisms to high vapour pressure deficit and temperatur...
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Rupert Seidl @rupertseidl.bsky.social · 26/03/2025
Natural disturbances are often invoked as an argument against creating new forest reserves. But are reserves more affected by disturbances than managed forests? For C Europe the answer is no, in fact reserves have lower disturbance rate & severity than managed forests! doi.org/10.1111/1365...
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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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Andy Gonzalez @bio-diverse.bsky.social · 19/03/2025
Just out: A geometric approach to beta diversity esajournals.onlinelibrary.wiley.com/doi/10.1002/... Led by the brilliant @clsong.bsky.social & Muyang Lu.
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Mike Spillane @spillanemike.com · 15/03/2025
French designed bicycle that uses supercapacitors instead of batteries to power the bike, only paper, aluminium and carbon used in the capacitor so it's easy to recycle. Pretty neat www.euronews.com/next/2023/12... m.youtube.com/watch?v=9NGa...
euronews.com
This French company has designed an e-bike that doesn’t need a battery
The brainchild of French entrepreneur Adrien Lelièvre, the Pi-Pop e-bike uses a supercapacitor to store energy rather than rely on batteries.
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Alberta Community Bat Program/Western Bat Program 🦇 @albertabats.bsky.social · 13/03/2025
Habitat connectivity is important for bats too! Many bat species like to fly along forest edges, inside forests or just near some kind of safe cover. Open expanses can fragment habitat for these species. #AirspaceIsBatSpace
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James Bullock @jmbecologist.bsky.social · 12/03/2025
“Fragmented landscapes consistently have both lower α diversity and lower γ diversity [but higher β diversity] Our findings refute claims that habitat fragmentation can increase biodiversity at landscape scales” www.nature.com/articles/s41...
nature.com
Species turnover does not rescue biodiversity in fragmented landscapes - Nature
An analysis of habitat fragmentation using a dataset of more than 4,000 species worldwide shows that fragmentation reduces biodiversity at all scales, and that increases in β diversity do not compensa...
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Gabin Piton @gabin-piton.bsky.social · 12/03/2025
New paper in diamond open-access @peercomjournal.bsky.social Reducing mineral fertilizer use in mountain grasslands could improve the ability of their soil to maintain their multifunctionality during drought. Last chapter of my PhD 5 y latter. #NewPI never give up publish your science! #Soilscience
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Jesús Aguirre Gutiérrez @jeaggu.bsky.social · 06/03/2025
Are tropical forests in the Americas changing as adaptation to ongoing climate change? Yes, they are! Are these changes enough to track their suitable climate? Not quite! Check out our paper in @science.org www.science.org/doi/10.1126/... to see more of what our network has been working on!
science.org
Tropical forests in the Americas are changing too slowly to track climate change
Understanding the capacity of forests to adapt to climate change is of pivotal importance for conservation science, yet this is still widely unknown. This knowledge gap is particularly acute in high-b...
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ForestPlots @forestplots.bsky.social · 06/03/2025
Botanists, ecologists and satellites have mapped Earth's tropical forest canopies.🌐 www.nature.com/articles/s41... Congratulations @jeaggu.bsky.social @ymalhi.bsky.social + our colleagues w/ GEM ForestPlots.net RAINFOR MONAFOR + more! @researchleeds.bsky.social @oxfordecosystems.bsky.social
nature.com
Canopy functional trait variation across Earth’s tropical forests - Nature
Data from a variety of sources—including satellite, climate and soil data, as well as field-collected information on plant traits—are pooled and analysed to map the functional diversity of tropical fo...
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Eoghan Daltun 🌍 @irishrainforest.bsky.social · 27/02/2025
Yet another study finds that diverse forests store far more carbon than monoculture plantations. Previous research in the tropics showed it could be 40x more. Natural forests also help stabilise the climate in other, equally vital ways. WHEN will this penny drop? scienceblog.com/tree-diversi...
scienceblog.com
Tree diversity increases carbon sequestration
The world's oldest tropical tree diversity experiment has delivered compelling evidence that forests with multiple tree species capture significantly more
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Pieter Zuidema @pieterzuidema.bsky.social · 26/02/2025
A century of rising CO₂ has increased photosynthesis of mature trees in tropical forests. This is our conclusion in study led by Sophie Zwartsenberg in @newphyt.bsky.social. We did novel isotope analyses in tree rings from Australia, Thailand & Bangladesh. nph.onlinelibrary.wiley.com/doi/full/10....
nph.onlinelibrary.wiley.com
Centennial‐scale atmospheric CO2 rise increased photosynthetic efficiency in a tropical tree species
Tropical forests substantially influence the terrestrial carbon sink. Their contributions to the forest carbon sink may increase due to the stimulation of photosynthesis by rising atmospheric CO2 (C...
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Lawren Sack @lawrensack.bsky.social · 26/02/2025
Simplification of woody plant trait networks among communities along a climatic aridity gradient - Camila Medeiros, Santiago Trueba, Chris Henry, Leila Fletcher, Jim Lutz, Rodrigo Méndez Alonzo, Nathan Kraft, Lawren Sack - Journal of Ecology t.co/F6VWVLJ6xl @nathanjbkraft.bsky.social
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Joannès Guillemot @joguillemot.bsky.social · 26/02/2025
🌳New study exploring the importance of tree diversity for C cycling and climate change mitigation in tropical forests. From a great team, brilliantly led by @mixedforests.bsky.social. Results are nicely discussed in the press release: uni-freiburg.de/en/tree-dive...
uni-freiburg.de
Tree diversity increases carbon sequestration – University of FreiburgText icon 'Universität Freiburg'Seal element of the university of freiburg in the shape of a flowerSearch iconMenu iconText icon '...
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Arthur Gessler @arthurobuntspecht.bsky.social · 23/02/2025
Trees might profit from the reduced foliage area, allowing them to stabilize their #water relations in a #drying #climate: Losing half the crown hardly affects the stem growth of a xeric southern beech population - Scientific Reports
nature.com
Losing half the crown hardly affects the stem growth of a xeric southern beech population - Scientific Reports
Scientific Reports - Losing half the crown hardly affects the stem growth of a xeric southern beech population
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Global Change Biology @globalchangebio.bsky.social · 18/02/2025
Satellite Observations Reveal a Positive Relationship Between Trait‐Based Diversity and Drought Response in Temperate Forests 📄 buff.ly/4gBgsRr @helfenstein.earth
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Charles Thistlethwaite @charlest.bsky.social · 14/02/2025
A new study from Colorado State University reveals that tree ranges in the interior US West are contracting due to climate change, with limited expansion into cooler, wetter areas. The study highlights the potential need for human-assisted tree migration. phys.org/news/2025-02...
phys.org
Climate change outpaces tree migration, human intervention may be needed: Study
A new Colorado State University study of the interior U.S. West has found that tree ranges are generally contracting in response to climate change but not expanding into cooler, wetter climates—sugges...
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Xavier Morin @xaviermorin.bsky.social · 12/02/2025
▶️ Post on the blog of @journalofecology.bsky.social about our recently published paper about the tree packing effect on BEF-relationships in forests 🌲🌳 jecologyblog.com/2025/02/11/d... @joguillemot.bsky.social @riottelambert.bsky.social @cnrsoccitanieest.bsky.social
jecologyblog.com
Diversity enhances forest productivity through its effect on the number of trees within forests.
Xavier Morin, CEFE, CNRS, University of Montpellier, EPHE, IRD, Montpellier, France, discusses his article: More species, more trees: The role of tree packing in promoting forest productivity The e…
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Emily J. Francis @emilyjfrancis.bsky.social · 11/02/2025
1/4 We have a new paper in Forest Ecology and Management! We modeled bark beetle caused tree mortality as a function of host basal area for eight bark beetle species across the western US. With Jeff Hicke, Chang Gyo Jung, and @mhurteau.bsky.social www.sciencedirect.com/science/arti...
sciencedirect.com
Modeling the probability of bark beetle-caused tree mortality as a function of watershed-scale host species presence and basal area
In recent decades, bark beetle outbreaks have caused mass tree mortality in western US forests, which has led to altered wildfire characteristics, hyd…
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Cornelius Senf @corneliussenf.bsky.social · 02/02/2025
Six years in the making and finally published! Our viewpoint on how to improve tree mortality monitoring. With in-depth discussion on how to improve ground-based monitoring, integration of ground-based monitoring with remote sensing and modelling, and fair and collaborative science: lnkd.in/dJgSRQHt
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Rewild Scotland @rewildscotland.bsky.social · 30/01/2025
This is what can be achieved. Landscape-scale habitat restoration in Scotland 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🌳 #Rewilding
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