Valentin Journé

@valentinjourne.bsky.social

Functional ecology, forests, tree reproduction, species distribution Assistant professor at Kyushu University http://journevalentin.wixsite.com/forestecol

À Rafah il y a deux jours : Israël continue de détruire des maisons palestiniennes bsky.app/profile/anti...

Resist 🕎🍉@antizionistjew.bsky.social · 11mo ago

#BREAKING | Even after the ceasefire, Israel keeps demolishing Palestinian homes across Gaza’s “red zone” an area that makes up almost half of the Strip. New footage from Rafah yesterday shows Israeli forces detonating and flattening entire neighborhoods, undermining every claim of reconstruction.

🌿 The first article of our DarkDivNet consortium, led by Meelis Pärtel, has been published in Nature. Our dataset from 5500 sites in 119 world regions, collected specially for this purpose, shows that plant diversity is negatively affected not only by direct human impact such as local disturbance.

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"from 1965 to 2020, nearly half the variation in publication trends among 293 North American male passerine & near-passerine birds was explained by 3 factors subject to human bias: aesthetic salience (visual appeal), range size (familiarity) & number of universities within ranges (accessibility)"

Six-decade research bias towards fancy and familiar bird species | Proceedings of the Royal Society B: Biological Sciences

Human implicit biases towards visually appealing and familiar stimuli are well documented and rooted in our brains’ reward systems. For example, humans are drawn to charismatic, familiar organisms, bu...

royalsocietypublishing.org

Papers like this really underscore the importance of long term monitoring datasets for understanding climate change impacts on biodiversity... And highlight the dire consequences of even modest temperature increases. 🧪🌍🦤🦜 www.science.org/doi/10.1126/...

Climate change aggravates bird mortality in pristine tropical forests

Climate change threatens Amazon rainforest birds, with harsher dry seasons significantly affecting their survival over 27 years.

science.org

Interested by tree growth, resources allocation and climate change? Have a look in our last study! We showed how tree reproduction is impacting tree growth,. AND... not only drought is responsible of a growth reduction 🤯

Andrew Hacket-Pain@andrewhacket-pain.bsky.social · 2y ago

🌳🌳🌳 We have a new paper in @pnas.org showing climate warming leads to growth decline in beech because it drives trees to reproduce more frequently. Climate change can cause growth decline even when drought isn’t increasing by shifting where trees allocate resources doi.org/10.1073/pnas.2423181122

Coring a big beech tree

🌍📉 Climate change is driving mass extinctions A new meta-analysis in @science.org spanning 30+ years shows 1.6% of ALL species are at risk at 1.3°C warming, rising to 29.7% at 5.4°C. This is very very bad. When will we wake up? 🔗 www.science.org/doi/10.1126/... 🧪🍎 #ClimateCrisis #SciComm

Climate change extinctions

Climate change is expected to cause irreversible changes to biodiversity, but predicting those risks remains uncertain. I synthesized 485 studies and more than 5 million projections to produce a quant...

science.org