Alyssa Willson
alyssa-willson.bsky.social
Alyssa Willson
@alyssa-willson.bsky.social
Quantitative ecologist
I study how tree communities and ecosystems change over decades to millennia🌳🌳
PhD candidate at the University of Notre Dame
she/her
Reposted by Alyssa Willson
"South Florida weatherman tells viewers he can't accurately predict hurricanes because of government cuts"

Source:
old.reddit.com/r/PublicFrea...
June 3, 2025 at 8:59 PM
Reposted by Alyssa Willson
New paper out! "Patterns and drivers of Holocene moisture variability in mid-latitude eastern North America." Some of the best data-model agreements yet... the melting of ice sheets and changes in insolation were major drivers of changing rainfall patterns. www.nature.com/articles/s41...
Patterns and drivers of Holocene moisture variability in mid-latitude eastern North America - Nature Communications
Thousands of years long droughts have occurred in eastern North America during the Holocene (past 12,000 years). The authors link the droughts to the impacts of the Laurentide Ice Sheet and the follow...
www.nature.com
April 15, 2025 at 11:34 PM
Reposted by Alyssa Willson
Ever wondered how reliable species distribution models (SDMs) are in the face of climate change compared to more mechanistic approaches? We did too, and our results are now published in Ecology Letters ⏬
onlinelibrary.wiley.com/doi/10.1111/...
Paleorecords Reveal Biological Mechanisms Crucial for Reliable Species Range Shift Projections Amid Rapid Climate Change
Climate change has created an urgent need for reliable projections of species distributions. By hindcasting forest tree range shifts across Europe over the last 12,000 years, we show that process-exp...
onlinelibrary.wiley.com
March 7, 2025 at 2:08 AM
Reposted by Alyssa Willson
See that big pine? You own that tree, and billions of other trees on public lands. The trump kleptocracy will overharvest, mismanage, and steal our forests. Our land needs care from highly trained people, but they are being fired. We have to stop them. We need to force congress to act on our behalf.
March 4, 2025 at 3:42 PM
Reposted by Alyssa Willson
A clear-eyed perspective on what is going on to higher ed: www.insidehighered.com/opinion/blog...
Higher ed must resist authoritarian rule. It's the mission.
Trying to make your institution a smaller target isn’t going to work.
www.insidehighered.com
February 21, 2025 at 5:47 PM
Reposted by Alyssa Willson
This commission statement refers to people with Autism, ADHD, asthma, auto-immune disease, and chronic illness as a “dire threat to the American people and our way of life”.

This is a manifesto against disability.

This is the language of eugenics.
Establishing the President's Make America Healthy Again Commission
By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered: Section 1.
www.whitehouse.gov
February 17, 2025 at 9:21 PM
Hoping my @li-corenv.bsky.social mug can give me the inspiration to write my dissertation today🙏
February 17, 2025 at 7:41 PM
We’ve heard a lot in the US that we should call our representatives to oppose a wide array of policies from our new fascist regime.

5 calls, which collates contact information and generates scripts for your zip code, makes it easy for anyone to take at least this small action regularly

5calls.org
5 Calls
Spend 5 minutes. Make 5 calls. Make your voice heard.
5calls.org
February 16, 2025 at 4:48 PM
Reposted by Alyssa Willson
Great landscape level analysis of how different regions of the western US are experiencing varying amount of fire deficits compared to historic norms.

www.nature.com/articles/s41...
February 11, 2025 at 10:50 PM
Reposted by Alyssa Willson
A Direct Hit, by @holdenthorp.bsky.social @science.org
www.science.org/doi/full/10....
"This is a moment to unite."
February 11, 2025 at 3:18 PM
Reposted by Alyssa Willson
Happy International Day of Women in Science. The National Science Foundation’s list of flagged words includes both “Women” and “Female.”
February 11, 2025 at 2:26 PM
Reposted by Alyssa Willson
Worried about losing access to US federal data that may go off-line, or already is? You’re not alone—but duplication isn’t the answer.

Many ongoing efforts have already archived key datasets and many more are ongoing. Check out these existing resources and, if you can, support their work. 🧵
a man in a black shirt is looking at a screen with a red background
Alt: a man in a black shirt is looking at a screen with a red background
media.tenor.com
February 6, 2025 at 7:36 PM
Reposted by Alyssa Willson
I think this is my favourite report cover of all time. Any others?
February 6, 2025 at 9:50 PM
Reposted by Alyssa Willson
The NSF Director, Sethuraman Panchanathan, let us name him early and often, is by LAW required to to support programs designed to broaden participation of underrepresented populations in STEM fields

uscode.house.gov/view.xhtml?h...
uscode.house.gov
February 1, 2025 at 10:36 PM
Reposted by Alyssa Willson
I got to write a 'Tools of the Trade’ article about quantitative wood anatomy a little bit ago. Check it out for an accessible summary of how measuring wood cells is improving our understanding of past climate!
Refining past climate records with wood anatomy
Nature Reviews Earth & Environment - Julie Edwards explains how quantitative wood anatomy helps refine records of past climate.
rdcu.be
January 30, 2025 at 9:52 PM
Reposted by Alyssa Willson
"... I ended up being reluctant to work with undergraduate researchers at all—until a new student helped me realize what is required to mentor undergraduates, and the rewards it can bring." #NationalMentoringMonth https://scim.ag/3E1bAYj
January 26, 2025 at 3:07 PM
Here’s a super cool new paper using the US Public Land Survey System to understand local scale drivers of tree communities in northern Ohio!🧪🌳
Ecologists seek to understand how species distributions relate to environmental factors, but often relationships are radically human-altered. Our new @jvegsci.bsky.social paper uses historical data in niche models to understand presettlement distributions of forest trees. 🧪🌿🌎 doi.org/10.1111/jvs....
Presettlement Tree Distributions and Forest Types of Northeast Ohio, USA, Mapped With Species Distribution Models
Using species distribution models to map the presettlement vegetation of northeast Ohio, we found that tree distributions depended largely on elevation and slope. Fagus grandifolia had the largest ar...
doi.org
January 17, 2025 at 3:49 AM
Reposted by Alyssa Willson
Job Alert: hiring (ASAP) post-doctoral/early career scientist to join our greenhouse-gas team @nasagoddard.bsky.social to work on 3rd REgional Carbon Cycle Assessment & Processes study (RECCAP3) - help make advances over RECCAP2 agupubs.onlinelibrary.wiley.com/doi/toc/10.1... -send email w interest
Regional Carbon Cycle Assessment and Processes - 2: Journal of Geophysical Research: Biogeosciences
<em>Journal of Geophysical Research: Biogeosciences</em> is an AGU journal publishing papers on the biogeosciences of the Earth system and the extension of this research to planetary studies.
agupubs.onlinelibrary.wiley.com
January 14, 2025 at 1:09 PM
Reposted by Alyssa Willson
January 8, 2025 at 4:37 AM
Reposted by Alyssa Willson
Powerful, data-driven reporting.

@nytimes.com
www.nytimes.com/2024/12/20/u...
December 27, 2024 at 1:31 AM
Reposted by Alyssa Willson
Dear Bluesky followers, if you followed me over from Twitter you will see I am a different man on Bluesky. I was a wimp about Mexican Indigeneity over there....but here its all Mexican pride, all the time. Maybe not what you signed up for, but its what you're gonna get. We have fed the world!
December 25, 2024 at 1:15 AM
Reposted by Alyssa Willson
A streamlined pipeline to enhance geospatial modeling accuracy, addressing issues like imbalanced data, spatial autocorrelation, prediction errors, and the nuances of model generalization and uncertainty estimation.

📑 doi.org/10.1038/s414...
December 22, 2024 at 6:22 PM
Reposted by Alyssa Willson
I was today years old when I found this gem of a web app to explore 2500+ color palettes for R:

r-graph-gallery.com/color-palett...
R Color Palette Finder
The ultimate tool for finding the perfect color palette for data visualization with R and paletteer. Explore over 2000 palettes, see them in action on various charts, simulate color blindness, and exp...
r-graph-gallery.com
December 20, 2024 at 8:09 PM