Robert Fournier
@robfour.bsky.social
📤 83
📥 73
📝 12
Ecologist, postdoc at UC Berkeley and UC Santa Barbara.
https://www.robertjfournier.com/
At my first Western Society of Naturalists meeting presenting some of our work looking at sea otter restoration! Looking forward to introducing myself to a new scientific society and engaging with a new audience. Please reach out if you want to connect!
#WSN2025
1 day ago
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Robert Fournier
Rose Mohammadi
13 days ago
How vulnerable are riparian trees to drought? Using groundwater and satellite data from a California waterhsed, our new paper found that trees by drying rivers lost up to 5 weeks of growing season, suggesting they’re nearing critical groundwater limits.
onlinelibrary.wiley.com/doi/10.1111/...
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Groundwater and Remotely Sensed Phenology Reveal Vulnerability of Riparian Trees to Drought
We asked how vulnerable riparian trees are to droughts, examining their water use and growing season timing and duration via groundwater data and satellite imagery. Drought shortened the growing seas...
https://doi.org/10.1111/gcb.70564
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Robert Fournier
Albert Ruhí
28 days ago
Does tidal marsh
#restoration
"work", if the goal is bringing back key species AND the trophic interactions that support them? A thousand stable isotope samples later, we have answers! 💯 work by PhD student Megan Pagliaro:
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
#SanFrancisco
#BayDelta
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Does tidal marsh restoration lead to the recovery of trophic pathways that support estuarine fishes?
Evaluation of tidal marsh restoration success is typically based on the recovery of habitat size and target species. However, food-web structure may provide valuable insight into ecosystem functionin...
https://esajournals.onlinelibrary.wiley.com/doi/10.1002/eap.70110
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reposted by
Robert Fournier
Albert Ruhí
about 2 months ago
Looking for a postdoc, and interested in river-coastal linkages,
#remote
sensing, and time series analysis? Come work with us
@natureatcal.bsky.social
on an exciting project led by
@rachelspatial.bsky.social
! CC
@sfs-src.bsky.social
@aslo.org
@cerfscience.bsky.social
@caseagrant.bsky.social
add a skeleton here at some point
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Robert Fournier
Ethan Tolman
3 months ago
So great to see our work on blue dasher dragonflies highlighted in the New York Times. Excellent piece by
@cjgiaimo.bsky.social
!
www.nytimes.com/2025/08/16/s...
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Meet the Beautiful Dragonfly That Thrives in Your Pollution
https://www.nytimes.com/2025/08/16/science/blue-dasher-dragonflies-pollution.html?smid=nytcore-ios-share&referringSource=articleShare
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Anyone at
#esa2025
this year? Get in touch!
3 months ago
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reposted by
Robert Fournier
Albert Ruhí
3 months ago
Read the full story here ->
aslopubs.onlinelibrary.wiley.com/doi/epdf/10....
Thanks to the the International Associated Laboratory "MacLife" for funding! CC
@matbuoro.bsky.social
@fishteph.bsky.social
@natureatcal.bsky.social
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Prolonged low flows and non‐native fish operate additively to alter insect emergence in mountain streams
You have to enable JavaScript in your browser's settings in order to use the eReader.
https://aslopubs.onlinelibrary.wiley.com/doi/epdf/10.1002/lno.70112
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reposted by
Robert Fournier
Danielle Zoe Rivera
4 months ago
UC-Berkeley has an open-rank faculty position in our incredible Climate Equity and Environmental Justice (CEEJ) research cluster. It is an extraordinary interdisciplinary group working across multiple colleges and departments at the university! More information here:
aprecruit.berkeley.edu/JPF04842
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Assistant/Associate/Full Professor - Climate Equity and Environmental Justice - Rausser College of Natural Resources
University of California, Berkeley is hiring. Apply now!
https://aprecruit.berkeley.edu/JPF04842
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Robert Fournier
Benioff Ocean Science Laboratory
5 months ago
👥 10 students. 🌎 1 mission: a healthier planet. Meet the 2025 Benioff Scholars—driving real-world solutions to some of the planet’s most pressing environmental challenges.
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Robert Fournier
Berkeley Rausser College of Natural Resources
5 months ago
An international, interdisciplinary group focused on advancing seaweed research, cultivation, and application gathered at UC Berkeley in early May for the inaugural workshop of the International Bioeconomy and Macroalgae Center.
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Conference fosters connection in growing seaweed industry
The inaugural workshop of the International Bioeconomy and Macroalgae Center convened an international, interdisciplinary group to focus on advancing seaweed research, cultivation, and application.
https://nature.berkeley.edu/news/2025/05/conference-fosters-connection-growing-seaweed-industry
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Robert Fournier
Stephanie Carlson
6 months ago
This threat represents an immeasurable loss to community-driven research and to the training pipeline for the next generation of collaborative conservation leaders
add a skeleton here at some point
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reposted by
Robert Fournier
Akira Terui
6 months ago
New collaborative paper out in Ecology - subsidy timing matters in producing intraspecific life-history diversity; Led by Rui Ueda at Kyoto University
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
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Seasonal timing of ecosystem linkage mediates life‐history variation in a salmonid fish population
Life-history variation can contribute to the long-term persistence of populations; however, it remains unclear which environmental factors drive life-history variation within a population. Seasonally...
https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.70114
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Robert Fournier
Colton the fish squeezer🐟🪴📚🏕️🐝
6 months ago
Professors at USGS coop units were absolutely critical parts of my education at 3 different universities. They're probably affiliated with more useful conservation research than any other agency on earth. Join the rally to defend science next week! 🌎🐟🦉🐍🦊🌿🧪
#hydrology
#Invert
mobilize.us/s/JyAqUI
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Virtual Rally to Save the Cornerstone of Conservation Science · National Wildlife Federation
We need YOU as we rally in support of _critical_ federal government services at risk of being lost forever. The U.S. Geological Survey Ecosystems Mission Area is responsible for many of the programs t...
https://mobilize.us/s/JyAqUI
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reposted by
Robert Fournier
Trevor A. Branch
6 months ago
Racist and sexist roots in the cancellation of NSF grants under Trump: Grants with female PIs canceled 2x more than men Grants with Black PIs canceled 4x over White PIs Grants with Hispanic PIs canceled 2x over White PIs Grants with PIs with disabilities canceled 2x more than without
add a skeleton here at some point
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reposted by
Robert Fournier
Eric R. Larson
6 months ago
The result of nearly two decades of work, my coauthors and I have just described two new crayfish species from western North America: introducing the Misfortunate Crayfish and Okanagan Crayfish (
doi.org/10.11646/zoo...
). More to follow soon, but it should be open access - message if you need a PDF.
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Genome skimming supports two new crayfish species from the genus Pacifastacus Bott, 1950 (Decapoda: Astacidae) | Zootaxa
https://doi.org/10.11646/zootaxa.5632.3.4
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Robert Fournier
Hakeem Jefferson
7 months ago
A colleague at Stanford’s business school used The Stanford Daily to argue—poorly—against DEI. The piece was riddled with historical errors and left one searching for fact, so I broke my public writing hiatus to respond. I hope you’ll read and share the piece.
stanforddaily.com/2025/04/22/w...
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What DEI threatens isn’t merit. It’s monopoly.
Political science professor Hakeem Jefferson argues for DEI's importance to de-monopolizing universities.
https://stanforddaily.com/2025/04/22/what-dei-threatens-isnt-merit-its-monopoly/
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Robert Fournier
Albert Ruhí
7 months ago
Happy about this one, skillfully led by Adrianne Smits & w/ many great coauthors!-> "Despite substantial increases in the volume of
#freshwater
data collected worldwide, many regions and ecosystems still lack sufficient data collection and access."
esajournals.onlinelibrary.wiley.com/doi/full/10....
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Too much and not enough data: Challenges and solutions for generating information in freshwater research and monitoring
Evaluating progress toward achieving freshwater conservation and sustainability goals requires transforming diverse types of data into useful information for scientists, managers, and other interest ...
https://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/ecs2.70205
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reposted by
Robert Fournier
Zeynep Ersoy
8 months ago
📢 GLOSSAQUA is out in Ecology
@esajournals.bsky.social
. Big collaboration w/40+ coauthors led by myself,
@chaevangelista.bsky.social
&
@ignasiarranz.bsky.social
. It compiles global size spectra parameters from aquatic ecosystems globally👉:
doi.org/10.1002/ecy....
#datapaper
#aquaticecology
🌍🧪🧵(1/4)
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reposted by
Robert Fournier
Albert Ruhí
8 months ago
Looking for a quantitative ecology
#postdoc
? Check out this opening on time-series modeling of estuarine food webs - based in my group
@natureatcal.bsky.social
, in collaboration w/ State agency scientists. Apply ASAP - review of applications starts Apr 4. More info:
aprecruit.berkeley.edu/JPF04818
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Postdoc Employee – Quantitative ecology – ESPM: Organisms & The Environment
University of California, Berkeley is hiring. Apply now!
https://aprecruit.berkeley.edu/JPF04818
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reposted by
Robert Fournier
Yuen Huo, Ph.D.
8 months ago
University of California announced a systemwide hiring freeze. This affects not 1 but 10 campuses (including UCLA, UC Berkeley, UC San Francisco, UC San Diego among others) plus 3 national labs with impact on medical and scientific research and local economies.
www.reuters.com/world/us/uni...
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University of California sets hiring freeze in anticipation of Trump cuts
The University of California has imposed a system-wide hiring freeze and made additional cuts, its president said on Wednesday, as part of efforts to try to mitigate the impact of sharp cuts in federal funding.
https://www.reuters.com/world/us/university-california-sets-hiring-freeze-anticipation-trump-cuts-2025-03-19/
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Robert Fournier
Auriel Fournier
9 months ago
As a USGS Coop Alum (PhD at the Arkansas Unit) this is incredibly alarming. These units are key engines of applied research and training of the next generation of scientists, biologists and land managers. My peers are now leaders across state and federal agencies, non profits and universities.
add a skeleton here at some point
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Robert Fournier
Hank Baker
9 months ago
Delighted to share our new paper in Ecology Letters: Variation in Salmon Migration Phenology Bolsters Population Dynamics but is Threatened by Drought. With
@fishteph.bsky.social
, Ted Grantham, and Mariska Obedzinski.
#rivers
#fishes
#salmon
🧪🐟 🧵(1/8)
doi.org/10.1111/ele....
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Variation in Salmon Migration Phenology Bolsters Population Stability but Is Threatened by Drought
We show that intrapopulation variation in juvenile movement and rearing strategies enhances population stability in endangered coho salmon near their southern range limit. However, variation in reari...
https://doi.org/10.1111/ele.70081
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reposted by
Robert Fournier
Berkeley Rausser College of Natural Resources
9 months ago
A 12-year-long study led by
@ucberkeleyofficial.bsky.social
and
@caseagrant.bsky.social
researchers finds that the alternative life histories of coho salmon have made their populations more stable. Read more at the Stone Center for Environmental Stewardship site.
nature.berkeley.edu/stewardship/...
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Diversity in Coho Salmon Could Be Key to Species Survival
The Russian River estuary just downstream of the confluence with Willow Creek. New research published today in Ecology Letters from the Stone Center found that coho salmon, one of five Pacific salmon...
https://nature.berkeley.edu/stewardship/news/2025/02/diversity-in-coho-salmon-could-be-key-to-species-survival
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reposted by
Robert Fournier
Wade Boys
9 months ago
Check out my favorite dissertation chapter 👇🏻 made possible by
@adamsiepielski.bsky.social
, & former lab mates Tara Lanzer and Taylor Ping, who helped me assay hundreds of bugs when covid restrictions were in place.
add a skeleton here at some point
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reposted by
Robert Fournier
Albert Ruhí
10 months ago
If you're interested in river drying and cross-ecosystem linkages, check out our new Ecology paper led by undergraduate extraordinaire Amin al-Jamal! -> Aquatic top predator prefers terrestrial prey in an intermittent stream
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
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A really cool paper from our incredibly talented former undergraduate, Amin al-Jamal (so far bluesky-less) is out in Ecology! It’s also my first senior author paper! We looked at the feeding habits of everyone’s “favorite” predatory stream insect—the giant water bug.
doi.org/10.1002/ecy....
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Aquatic top predator prefers terrestrial prey in an intermittent stream
Click on the article title to read more.
https://doi.org/10.1002/ecy.4518
10 months ago
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reposted by
Robert Fournier
Amaïa Lamarins
10 months ago
Which exploitation strategy should be adopted for salmonid metapopulations? 🎣 Could knowledge of source-sink dynamics improve their management? Our latest paper is just out!
onlinelibrary.wiley.com/doi/10.1111/...
Simulations results 📈 suggest being not selective as the best strategy 💡
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What a good way to ring in the new year! Our new paper is (finally) out in Ecology Letters!
doi.org/10.1111/ele....
We looked at climate driven phenological patterns across food webs in the San Francisco, Chesapeake, and Massachusetts Bay estuaries.
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Long‐term data reveal widespread phenological change across major US estuarine food webs
Climate change is shifting the timing of organismal life-history events. Although consequential food-web mismatches can emerge if predators and prey shift at different rates, research on phenological...
https://doi.org/10.1111/ele.14441
10 months ago
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reposted by
Robert Fournier
Hank Baker
11 months ago
Grateful to be in a lab that loves watching fish as much as I do.
@fishteph.bsky.social
@roygbivv.bsky.social
@robfour.bsky.social
And the rest of the Berkeley freshwater labs crew
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reposted by
Robert Fournier
Albert Ruhí
almost 2 years ago
Really happy to see this one out, superbly led by Tadeu Siqueira & with the participation of a great team! On how the mechanisms conferring community stability vary across trophic levels in freshwater ecosystems:
esajournals.onlinelibrary.wiley.com/doi/epdf/10....
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https://esajournals.onlinelibrary.wiley.com/doi/epdf/10.1002/ecy.4219
Wiley Online Library requires cookies for authentication and use of other site features; therefore, cookies must be enabled to browse the site. Detailed information on how Wiley uses cookies can be fo...
https://esajournals.onlinelibrary.wiley.com/doi/epdf/10.1002/ecy.4219
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