William Hammond
@wmhammond.bsky.social
Assistant professor of plant ecophysiology #EcoPhys at the University of Florida. he / him. Studying #WhatKillsTrees http://ecophyslab.com
Reposted by William Hammond
Yes, there are conifers in Greenland! 🌲
500 yr-long Juniperus tree ring-based temperature reconstruction with oldest living shrub 367 yo! 💪
Striking here: 1/3 of corpus is from archive (collected end of 19th c)
Highlights importance of reanalysing old samples using modern analytical techniques! 👏
500 yr-long Juniperus tree ring-based temperature reconstruction with oldest living shrub 367 yo! 💪
Striking here: 1/3 of corpus is from archive (collected end of 19th c)
Highlights importance of reanalysing old samples using modern analytical techniques! 👏
November 29, 2025 at 11:55 AM
Yes, there are conifers in Greenland! 🌲
500 yr-long Juniperus tree ring-based temperature reconstruction with oldest living shrub 367 yo! 💪
Striking here: 1/3 of corpus is from archive (collected end of 19th c)
Highlights importance of reanalysing old samples using modern analytical techniques! 👏
500 yr-long Juniperus tree ring-based temperature reconstruction with oldest living shrub 367 yo! 💪
Striking here: 1/3 of corpus is from archive (collected end of 19th c)
Highlights importance of reanalysing old samples using modern analytical techniques! 👏
Reposted by William Hammond
I have been successful on my first DECRA attempt. What a great surprise. #DECRA
Safeguarding Australia's most threatened plants in a drier and hotter world.
Safeguarding Australia's most threatened plants in a drier and hotter world.
November 25, 2025 at 9:34 PM
I have been successful on my first DECRA attempt. What a great surprise. #DECRA
Safeguarding Australia's most threatened plants in a drier and hotter world.
Safeguarding Australia's most threatened plants in a drier and hotter world.
Reposted by William Hammond
Save the date! 47th New Phytologist Symposium on 'Extreme Heat: extending the thermal limits of life'. Explore how extreme heat affects plants that underpin ecosystem productivity.
2-5 June 2026, Cordoba, Spain.
@newphyt.bsky.social
www.newphytologist.org/events/47-nps
2-5 June 2026, Cordoba, Spain.
@newphyt.bsky.social
www.newphytologist.org/events/47-nps
Extreme Heat: extending the thermal limits of life
www.newphytologist.org
November 3, 2025 at 6:52 AM
Save the date! 47th New Phytologist Symposium on 'Extreme Heat: extending the thermal limits of life'. Explore how extreme heat affects plants that underpin ecosystem productivity.
2-5 June 2026, Cordoba, Spain.
@newphyt.bsky.social
www.newphytologist.org/events/47-nps
2-5 June 2026, Cordoba, Spain.
@newphyt.bsky.social
www.newphytologist.org/events/47-nps
Reposted by William Hammond
Extreme Heatwave Causes Immediate, Widespread Mortality of Forest Canopy Foliage, Highlighting Modes of Forest Sensitivity to Extreme Heat
🔗 buff.ly/CfdgwRy
🔗 buff.ly/CfdgwRy
November 26, 2025 at 5:59 PM
Extreme Heatwave Causes Immediate, Widespread Mortality of Forest Canopy Foliage, Highlighting Modes of Forest Sensitivity to Extreme Heat
🔗 buff.ly/CfdgwRy
🔗 buff.ly/CfdgwRy
Reposted by William Hammond
Are you studying vegetation dynamics 🍃, tree mortality 🪵, or other aspects of the terrestrial carbon cycle? 🌍
Consider submitting to our #EGU26 session "Present & future global vegetation dynamics & carbon stocks from observations & models". We'd be delighted! ☺️
👉 www.egu26.eu/session/57391
Consider submitting to our #EGU26 session "Present & future global vegetation dynamics & carbon stocks from observations & models". We'd be delighted! ☺️
👉 www.egu26.eu/session/57391
November 25, 2025 at 12:39 AM
Are you studying vegetation dynamics 🍃, tree mortality 🪵, or other aspects of the terrestrial carbon cycle? 🌍
Consider submitting to our #EGU26 session "Present & future global vegetation dynamics & carbon stocks from observations & models". We'd be delighted! ☺️
👉 www.egu26.eu/session/57391
Consider submitting to our #EGU26 session "Present & future global vegetation dynamics & carbon stocks from observations & models". We'd be delighted! ☺️
👉 www.egu26.eu/session/57391
Reposted by William Hammond
We’re opening the doors for community meetings. Your chance to influence our next steps & get more involved in the network.
Join one of our upcoming sessions:
🗓 Dec 4 — 06:00 UTC
t1p.de/m3gty
🗓 Dec 4 — 18:00 UTC
t1p.de/xaxsu
🗓 Dec 5 — 13:00 UTC
t1p.de/c4icd
Help guide where ITMN goes next! 🚀
Join one of our upcoming sessions:
🗓 Dec 4 — 06:00 UTC
t1p.de/m3gty
🗓 Dec 4 — 18:00 UTC
t1p.de/xaxsu
🗓 Dec 5 — 13:00 UTC
t1p.de/c4icd
Help guide where ITMN goes next! 🚀
November 25, 2025 at 7:33 PM
We’re opening the doors for community meetings. Your chance to influence our next steps & get more involved in the network.
Join one of our upcoming sessions:
🗓 Dec 4 — 06:00 UTC
t1p.de/m3gty
🗓 Dec 4 — 18:00 UTC
t1p.de/xaxsu
🗓 Dec 5 — 13:00 UTC
t1p.de/c4icd
Help guide where ITMN goes next! 🚀
Join one of our upcoming sessions:
🗓 Dec 4 — 06:00 UTC
t1p.de/m3gty
🗓 Dec 4 — 18:00 UTC
t1p.de/xaxsu
🗓 Dec 5 — 13:00 UTC
t1p.de/c4icd
Help guide where ITMN goes next! 🚀
Reposted by William Hammond
Short story Sunday:
There once was a California newt heading down a leafy trail 1/??
There once was a California newt heading down a leafy trail 1/??
November 23, 2025 at 8:13 PM
Short story Sunday:
There once was a California newt heading down a leafy trail 1/??
There once was a California newt heading down a leafy trail 1/??
Reposted by William Hammond
I am currently searching for a new postdoctoral researcher to study the evolution, genetics, and physiology of cold acclimation and freezing tolerance in switchgrass at Michigan State University. This work will be funded by a newly funded five-year DOE grant. careers.msu.edu/jobs/researc...
Research Associate-Fixed Term - East Lansing, Michigan, United States
Position Summary
The Lowry Lab at Michigan State University is searching for a postdoctoral research associate to conduct molecular and physiological experiments to understand the causes of genetic va...
careers.msu.edu
November 20, 2025 at 2:50 PM
I am currently searching for a new postdoctoral researcher to study the evolution, genetics, and physiology of cold acclimation and freezing tolerance in switchgrass at Michigan State University. This work will be funded by a newly funded five-year DOE grant. careers.msu.edu/jobs/researc...
Reposted by William Hammond
#UBC Botany is hiring an Assistant Professor in Non-Seed Plant Diversity - come work with us in beautiful #Vancouver, BC! Please repost!
academicjobsonline.org/ajo/jobs/31140
academicjobsonline.org/ajo/jobs/31140
University of British Columbia, Botany
Job #AJO31140, ASSISTANT PROFESSOR IN NON-SEED PLANT DIVERSITY (BRYOPHYTES, FERNS, LYCOPHYTES), Botany, University of British Columbia, Vancouver, British Columbia, CA
academicjobsonline.org
November 20, 2025 at 10:10 PM
#UBC Botany is hiring an Assistant Professor in Non-Seed Plant Diversity - come work with us in beautiful #Vancouver, BC! Please repost!
academicjobsonline.org/ajo/jobs/31140
academicjobsonline.org/ajo/jobs/31140
Reposted by William Hammond
While looking at axillary buds, I noticed this strange phenomenon in Rhus glabra: The petiole base completely covers & conceals the axillary bud, which is revealed (and can grow) only when the leaf has fallen away. #Anacardiaceae #buds #Botany 🌾🧪🌱
November 1, 2025 at 11:56 AM
While looking at axillary buds, I noticed this strange phenomenon in Rhus glabra: The petiole base completely covers & conceals the axillary bud, which is revealed (and can grow) only when the leaf has fallen away. #Anacardiaceae #buds #Botany 🌾🧪🌱
Reposted by William Hammond
Interested in learning more about the Tumber-Dávila Lab, check out more information on our website: sites.dartmouth.edu/tumberdavila...
October 30, 2025 at 6:55 PM
Interested in learning more about the Tumber-Dávila Lab, check out more information on our website: sites.dartmouth.edu/tumberdavila...
Reposted by William Hammond
Installed sensors at Teakettle this weekend. I broke down 5 times. The District Ranger requested that I tell ‘the truth’ about the fire and the forest. Here you go…
October 29, 2025 at 12:27 AM
Installed sensors at Teakettle this weekend. I broke down 5 times. The District Ranger requested that I tell ‘the truth’ about the fire and the forest. Here you go…
Reposted by William Hammond
When people learn with ChatGPT instead of following their own searches, they end up knowing less, caring less, and producing worse advice, even when the facts are the same.
Friction is an essential ingredient for learning! Convenience makes us shallow.
academic.oup.com/pnasnexus/ar...
Friction is an essential ingredient for learning! Convenience makes us shallow.
academic.oup.com/pnasnexus/ar...
Experimental evidence of the effects of large language models versus web search on depth of learning
Abstract. The effects of using large language models (LLMs) versus traditional web search on depth of learning are explored. A theory is proposed that when
academic.oup.com
October 28, 2025 at 3:14 PM
When people learn with ChatGPT instead of following their own searches, they end up knowing less, caring less, and producing worse advice, even when the facts are the same.
Friction is an essential ingredient for learning! Convenience makes us shallow.
academic.oup.com/pnasnexus/ar...
Friction is an essential ingredient for learning! Convenience makes us shallow.
academic.oup.com/pnasnexus/ar...
Reposted by William Hammond
Pyro-ecophysiology of 11 woody Karst species: Leaf flammability analysis reveals fire-safe species for green firebreaks development
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Pyro-ecophysiology of 11 woody Karst species: Leaf flammability analysis reveals fire-safe species for green firebreaks development
Climate change is intensifying wildfire frequency and severity in Mediterranean ecosystems, creating urgent needs for effective fire management strate…
www.sciencedirect.com
October 27, 2025 at 11:33 PM
Pyro-ecophysiology of 11 woody Karst species: Leaf flammability analysis reveals fire-safe species for green firebreaks development
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Tomorrow when I wake up, I'll be older than I've ever been, for the first time in 20 years. It's an odd story of the time I spent in a coma. In my early 20s, I had a near-fatal lung infection, 90 days in the ICU. As a last-ditch effort, doctors put me in a medically induced coma. 1/5
October 18, 2025 at 1:35 AM
Tomorrow when I wake up, I'll be older than I've ever been, for the first time in 20 years. It's an odd story of the time I spent in a coma. In my early 20s, I had a near-fatal lung infection, 90 days in the ICU. As a last-ditch effort, doctors put me in a medically induced coma. 1/5
Reposted by William Hammond
Record (or near record) dry grass/ soil moisture in North/ NW FL.
In the future this will become more common. Not for lack of rain. Instead due to warmer - more thirsty air - stripping the ground of moisture. In decades climate projections show the air could be 50% more thirsty over FL!
In the future this will become more common. Not for lack of rain. Instead due to warmer - more thirsty air - stripping the ground of moisture. In decades climate projections show the air could be 50% more thirsty over FL!
October 15, 2025 at 10:37 PM
Record (or near record) dry grass/ soil moisture in North/ NW FL.
In the future this will become more common. Not for lack of rain. Instead due to warmer - more thirsty air - stripping the ground of moisture. In decades climate projections show the air could be 50% more thirsty over FL!
In the future this will become more common. Not for lack of rain. Instead due to warmer - more thirsty air - stripping the ground of moisture. In decades climate projections show the air could be 50% more thirsty over FL!
Reposted by William Hammond
A crucial store of carbon in Australia’s tropical forests has switched from carbon sink to carbon source
theconversation.com/a-crucial-st...
theconversation.com/a-crucial-st...
A crucial store of carbon in Australia’s tropical forests has switched from carbon sink to carbon source
The woody biomass of Australia’s tropical rainforests has already switched from carbon sink to carbon source – and the reason is climate change.
theconversation.com
October 15, 2025 at 10:29 PM
A crucial store of carbon in Australia’s tropical forests has switched from carbon sink to carbon source
theconversation.com/a-crucial-st...
theconversation.com/a-crucial-st...
Reposted by William Hammond
Fuck right off
Prizes must recognize machine contributions to discovery
The future of science will be written by humans and machines together. Awards should reflect that reality.
www.nature.com/articles/d41...
The future of science will be written by humans and machines together. Awards should reflect that reality.
www.nature.com/articles/d41...
October 9, 2025 at 4:39 AM
Fuck right off
Reposted by William Hammond
Great PhD opportunity with an excellent supervisor:
Quantify traits of tree species across the western US to determine how tree populations and forest communities will respond to drought and fire.
plant-traits.net/lab-openings/
Quantify traits of tree species across the western US to determine how tree populations and forest communities will respond to drought and fire.
plant-traits.net/lab-openings/
Lab openings | Laughlin Research Lab
plant-traits.net
October 8, 2025 at 10:49 PM
Great PhD opportunity with an excellent supervisor:
Quantify traits of tree species across the western US to determine how tree populations and forest communities will respond to drought and fire.
plant-traits.net/lab-openings/
Quantify traits of tree species across the western US to determine how tree populations and forest communities will respond to drought and fire.
plant-traits.net/lab-openings/
Reposted by William Hammond
Such a sad story, but good that it can be told in full in museums now.
doi.org/10.1126/scie...
doi.org/10.1126/scie...
Fate of the last female great auk is finally solved
DNA and historical sleuthing have traced the extinct bird’s remains to a museum in Ohio
doi.org
October 7, 2025 at 7:42 AM
Such a sad story, but good that it can be told in full in museums now.
doi.org/10.1126/scie...
doi.org/10.1126/scie...
Reposted by William Hammond
Apply to become the next MSU EEB Presidential Postdoctoral Fellow!
These are two year positions with research stipend, working with 2+ MSU EEB faculty. Applications due 10 November 2025. More here:
eeb.msu.edu/initiatives/...
These are two year positions with research stipend, working with 2+ MSU EEB faculty. Applications due 10 November 2025. More here:
eeb.msu.edu/initiatives/...
Postdoctoral Fellowship - Ecology, Evolution, and Behavior
eeb.msu.edu
October 7, 2025 at 2:51 PM
Apply to become the next MSU EEB Presidential Postdoctoral Fellow!
These are two year positions with research stipend, working with 2+ MSU EEB faculty. Applications due 10 November 2025. More here:
eeb.msu.edu/initiatives/...
These are two year positions with research stipend, working with 2+ MSU EEB faculty. Applications due 10 November 2025. More here:
eeb.msu.edu/initiatives/...
Reposted by William Hammond
Sheng et al. call for greater survey efforts and broader conservation initiative to protect the 11 (ELEVEN!) felid species of the Tibetan Plateau.
(Strong contender for the Correspondence, or indeed article of any kind, with the best figure we ever published)
www.nature.com/articles/s41...
(Strong contender for the Correspondence, or indeed article of any kind, with the best figure we ever published)
www.nature.com/articles/s41...
Protect the Tibetan Plateau’s rich felid diversity - Nature Ecology & Evolution
Nature Ecology & Evolution - Protect the Tibetan Plateau’s rich felid diversity
www.nature.com
October 7, 2025 at 12:34 PM
Sheng et al. call for greater survey efforts and broader conservation initiative to protect the 11 (ELEVEN!) felid species of the Tibetan Plateau.
(Strong contender for the Correspondence, or indeed article of any kind, with the best figure we ever published)
www.nature.com/articles/s41...
(Strong contender for the Correspondence, or indeed article of any kind, with the best figure we ever published)
www.nature.com/articles/s41...
Reposted by William Hammond
I am teaching a course on ancient trees and tree rings at the NY Botanical Garden on Sunday, October 26th and Sunday, November 2nd.
We will learn about past environments, the amazing lives of trees, and what old trees tend to look like.
Sign up at this link: www.enrole.com/nybg/jsp/ses...
We will learn about past environments, the amazing lives of trees, and what old trees tend to look like.
Sign up at this link: www.enrole.com/nybg/jsp/ses...
October 7, 2025 at 10:19 AM
I am teaching a course on ancient trees and tree rings at the NY Botanical Garden on Sunday, October 26th and Sunday, November 2nd.
We will learn about past environments, the amazing lives of trees, and what old trees tend to look like.
Sign up at this link: www.enrole.com/nybg/jsp/ses...
We will learn about past environments, the amazing lives of trees, and what old trees tend to look like.
Sign up at this link: www.enrole.com/nybg/jsp/ses...
Reposted by William Hammond
Most of the world has recently set all-time heat records - valuable analysis from @hausfath.bsky.social to show that climate change is real and global... even it was hotter in one town 80 years ago. www.theclimatebrink.com/p/most-of-th...
Most of the world has recently set all-time heat records
Regional exceptions like the 1930s in the continental US notwithstanding
www.theclimatebrink.com
October 6, 2025 at 7:46 PM
Most of the world has recently set all-time heat records - valuable analysis from @hausfath.bsky.social to show that climate change is real and global... even it was hotter in one town 80 years ago. www.theclimatebrink.com/p/most-of-th...
Reposted by William Hammond
Great to see this paper out!📰
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌿🔬
@irnase.bsky.social
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌿🔬
@irnase.bsky.social
Just published by Gonzalez et al. in @newphyt.bsky.social:
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌳🔬
Check out our new way to follow cellular mortality using cavicams at: doi.org/10.1111/nph....
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌳🔬
Check out our new way to follow cellular mortality using cavicams at: doi.org/10.1111/nph....
October 6, 2025 at 10:41 AM
Great to see this paper out!📰
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌿🔬
@irnase.bsky.social
Fifty shades of fade: linking transmittance loss to cellular death during leaf dehydration 🌿🔬
@irnase.bsky.social