Elliott Hazen
@ehazen.bsky.social
Dad, Quantitative Ecologist at NMFS, and Adjunct Professor at UCSC and Stanford. All opinions are my own. He / him / his.
https://www.elliotthazen.com/
https://www.elliotthazen.com/
Pinned
Elliott Hazen
@ehazen.bsky.social
· Oct 21
Humpback Whale: From Photo to Postage Stamp
Image
www.fisheries.noaa.gov
I took a whale picture once on #StellwagenBankNationalMarineSanctuary. It was a pretty cool picture. It's a forever stamp now!
Reposted by Elliott Hazen
Johnston et al (2025) Widespread influence of artificial light at night on ecosystem metabolism 💡🧪🔓
www.nature.com/articles/s41... @natclimate.nature.com
(H/T @zarahpattison.bsky.social)
www.nature.com/articles/s41... @natclimate.nature.com
(H/T @zarahpattison.bsky.social)
Widespread influence of artificial light at night on ecosystem metabolism - Nature Climate Change
The authors combine light intensity data with eddy covariance observations from 86 sites to show that artificial light at night increases ecosystem respiration and alters carbon exchange, with impacts...
www.nature.com
November 18, 2025 at 10:08 PM
Johnston et al (2025) Widespread influence of artificial light at night on ecosystem metabolism 💡🧪🔓
www.nature.com/articles/s41... @natclimate.nature.com
(H/T @zarahpattison.bsky.social)
www.nature.com/articles/s41... @natclimate.nature.com
(H/T @zarahpattison.bsky.social)
Important new paper by Allison Cluett highlighting what has happened to the PDO. It's still there, it's just swamped by the global warming signal since 2024.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Pan-basin warming now overshadows robust Pacific Decadal Oscillation - Nature Climate Change
Natural patterns of climate variability, such as the Pacific Decadal Oscillation (PDO), strongly influence regional climate. This study shows that anthropogenic warming now has greater influence than ...
www.nature.com
November 10, 2025 at 2:01 AM
Important new paper by Allison Cluett highlighting what has happened to the PDO. It's still there, it's just swamped by the global warming signal since 2024.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Elliott Hazen
Honored and excited to share that I am the winner of Nomis & Science Young Explorer Award!!
Also thrilled to share that my article describing my research is out now in @science.org today!
The normalization of (almost) everything www.science.org/doi/10.1126/...
1/
Also thrilled to share that my article describing my research is out now in @science.org today!
The normalization of (almost) everything www.science.org/doi/10.1126/...
1/
The normalization of (almost) everything: Our minds can get used to anything, and even crises start feeling normal
Our minds can get used to anything, and even crises start feeling normal
www.science.org
November 6, 2025 at 9:37 PM
Honored and excited to share that I am the winner of Nomis & Science Young Explorer Award!!
Also thrilled to share that my article describing my research is out now in @science.org today!
The normalization of (almost) everything www.science.org/doi/10.1126/...
1/
Also thrilled to share that my article describing my research is out now in @science.org today!
The normalization of (almost) everything www.science.org/doi/10.1126/...
1/
Hiring alert: Pacific Fisheries Management Council staff scientist. A good job opportunity!
workforcenow.adp.com/mascsr/defau...
workforcenow.adp.com/mascsr/defau...
Recruitment
workforcenow.adp.com
November 7, 2025 at 6:40 PM
Hiring alert: Pacific Fisheries Management Council staff scientist. A good job opportunity!
workforcenow.adp.com/mascsr/defau...
workforcenow.adp.com/mascsr/defau...
Reposted by Elliott Hazen
NEW: Billions of pounds of food are imported to the U.S. each year.
The FDA inspects foreign producers to ensure what we're eating is safe from pathogens and dangerous manufacturing practices.
But now, after Trump's drastic staff cuts, these inspections have plummeted to a historic low.
🧵/
The FDA inspects foreign producers to ensure what we're eating is safe from pathogens and dangerous manufacturing practices.
But now, after Trump's drastic staff cuts, these inspections have plummeted to a historic low.
🧵/
Foreign Food Safety Inspections Hit Historic Low After Trump Cuts
The dramatic shift in oversight comes at a time when the U.S. has never been more reliant on foreign food, which accounts for the vast majority of the nation’s seafood and more than half its fresh fru...
www.propublica.org
November 6, 2025 at 1:30 PM
NEW: Billions of pounds of food are imported to the U.S. each year.
The FDA inspects foreign producers to ensure what we're eating is safe from pathogens and dangerous manufacturing practices.
But now, after Trump's drastic staff cuts, these inspections have plummeted to a historic low.
🧵/
The FDA inspects foreign producers to ensure what we're eating is safe from pathogens and dangerous manufacturing practices.
But now, after Trump's drastic staff cuts, these inspections have plummeted to a historic low.
🧵/
Reposted by Elliott Hazen
New Perspective paper in #npjOceanSustainability highlights that marine spatial planning (#MSP) and marine protected area (#MPA) planning are not the same, but both are key for ocean sustainability in a changing ocean!🌊
doi.org/10.1038/s441...
@erc.europa.eu @plantprojecterc.bsky.social
doi.org/10.1038/s441...
@erc.europa.eu @plantprojecterc.bsky.social
May 15, 2025 at 1:21 PM
New Perspective paper in #npjOceanSustainability highlights that marine spatial planning (#MSP) and marine protected area (#MPA) planning are not the same, but both are key for ocean sustainability in a changing ocean!🌊
doi.org/10.1038/s441...
@erc.europa.eu @plantprojecterc.bsky.social
doi.org/10.1038/s441...
@erc.europa.eu @plantprojecterc.bsky.social
Reposted by Elliott Hazen
A newly released Global Tipping Points report suggested that coral reefs have passed thresholds beyond which they can't bounce back.
Our new study from Fiji shows just the opposite - astonishing, rapid recovery within 4 years of reefs pummeled by a category 5 cyclone.
#ForCoral
Our new study from Fiji shows just the opposite - astonishing, rapid recovery within 4 years of reefs pummeled by a category 5 cyclone.
#ForCoral
We are standing at a tipping point, but also at the edge of a powerful opportunity #ForCoral.
Coral reefs are under unprecedented stress. But this is not the end of the story.
New research co-authored by WCS shows that some reefs can still recover, even after catastrophic damage. bit.ly/47ojYfG 🌏
Coral reefs are under unprecedented stress. But this is not the end of the story.
New research co-authored by WCS shows that some reefs can still recover, even after catastrophic damage. bit.ly/47ojYfG 🌏
Fiji’s Coral Reefs Show Remarkable Recovery After Category 5 Cyclone
SUVA, FIJI, October 21, 2025 - A new study led by WCS, University of the South Pacific, and partners has found that coral reefs in Fiji showed remarkable resilience after being battered by Category 5 ...
bit.ly
October 22, 2025 at 12:24 PM
A newly released Global Tipping Points report suggested that coral reefs have passed thresholds beyond which they can't bounce back.
Our new study from Fiji shows just the opposite - astonishing, rapid recovery within 4 years of reefs pummeled by a category 5 cyclone.
#ForCoral
Our new study from Fiji shows just the opposite - astonishing, rapid recovery within 4 years of reefs pummeled by a category 5 cyclone.
#ForCoral
Reposted by Elliott Hazen
The U.S. will not attend the annual UN climate summit, COP30, which kicks off on Thursday in Brazil. And that's just fine for those who see the Trump administration’s hostility toward anything related to climate change as a menace to international cooperation.
The U.S. Is Skipping This Year’s Climate Summit. For Many, That’s OK.
World leaders, gathering in Brazil, will try to agree on new, more ambitious plans to cut greenhouse gases.
nyti.ms
November 6, 2025 at 5:30 PM
The U.S. will not attend the annual UN climate summit, COP30, which kicks off on Thursday in Brazil. And that's just fine for those who see the Trump administration’s hostility toward anything related to climate change as a menace to international cooperation.
Reposted by Elliott Hazen
The current government shutdown is now officially the longest in U.S. history, surpassing the 35-day shutdown of President Trump’s first term. The impact of the shutdown, having lasted 35 full days, has already been felt across the country. nyti.ms/3Xaygvt
November 5, 2025 at 5:20 AM
The current government shutdown is now officially the longest in U.S. history, surpassing the 35-day shutdown of President Trump’s first term. The impact of the shutdown, having lasted 35 full days, has already been felt across the country. nyti.ms/3Xaygvt
Reposted by Elliott Hazen
Congress’ path to irrelevance did not begin during the #shutdown. It is the result of decades of erosion that created a political culture in which Congress is relegated to second-class status, according to a political scientist. buff.ly/8hYHW3j
The shutdown – and the House’s inaction – helps pave Congress’ path to irrelevance
With major shutdown impacts beginning to set in, a scholar of Congress says the House has all but abdicated its position as ‘The People’s Chamber.’
theconversation.com
October 31, 2025 at 10:03 PM
Congress’ path to irrelevance did not begin during the #shutdown. It is the result of decades of erosion that created a political culture in which Congress is relegated to second-class status, according to a political scientist. buff.ly/8hYHW3j
University of Delaware - Details - Post Doctoral Researcher, Marine Science and Policy
careers.udel.edu
October 31, 2025 at 11:34 PM
Reposted by Elliott Hazen
“No one would ever ask a cardiac surgeon to stop an operation midstream because something supposedly more important popped up... yet we ask knowledge workers to do something similar multiple times a day because the immediate impact doesn’t seem onerous.” | via @behscientist.bsky.social
How to Rescue an Overloaded Organization - by Nelson P. Repenning and Donald C. Kieffer - Behavioral Scientist
Many leaders mistakenly believe that their organizations thrive under constant pressure. But overloaded systems are broken systems—to fix them, we must learn our way to the right amount of work.
behavioralscientist.org
September 25, 2025 at 9:05 PM
“No one would ever ask a cardiac surgeon to stop an operation midstream because something supposedly more important popped up... yet we ask knowledge workers to do something similar multiple times a day because the immediate impact doesn’t seem onerous.” | via @behscientist.bsky.social
Reposted by Elliott Hazen
Pleased to report that the whale biologist character is back in the new season of Futurama
a cartoon character says hey i calls them like i sees them im a whale biologist
ALT: a cartoon character says hey i calls them like i sees them im a whale biologist
media.tenor.com
September 16, 2025 at 1:59 AM
Pleased to report that the whale biologist character is back in the new season of Futurama
Reposted by Elliott Hazen
When radicalization is good, actually. #roadecology
September 16, 2025 at 8:28 PM
When radicalization is good, actually. #roadecology
Reposted by Elliott Hazen
A huge shoutout to all the dedicated grants management specialists at the NIH who are working around the clock to push grants out before the Sep 30 deadline. And also to the POs responding to frantic emails.
Not an easy job under the best of circumstances and right now it's the pits.
Thank you!
Not an easy job under the best of circumstances and right now it's the pits.
Thank you!
September 15, 2025 at 8:17 PM
A huge shoutout to all the dedicated grants management specialists at the NIH who are working around the clock to push grants out before the Sep 30 deadline. And also to the POs responding to frantic emails.
Not an easy job under the best of circumstances and right now it's the pits.
Thank you!
Not an easy job under the best of circumstances and right now it's the pits.
Thank you!
Reposted by Elliott Hazen
Reposted by Elliott Hazen
Science is under siege from weaponised disinformation – posing a threat to human civilisation | Michael Mann and Peter Hotez
Science is under siege from weaponised disinformation – posing a threat to human civilisation | Michael Mann and Peter Hotez
From Covid misinformation to climate denialism, understanding the divergent paths of Australia and the US can help us fight the powerful forces that threaten our world
www.theguardian.com
September 9, 2025 at 4:57 PM
Science is under siege from weaponised disinformation – posing a threat to human civilisation | Michael Mann and Peter Hotez
UCSC-NOAA cooperative institute glider technician position open for applications. Scroll down to "interested in fisheries work" here:
fisheries.ucsc.edu
fisheries.ucsc.edu
Fisheries Collaborative Program – Supporting Sustainable Fisheries through Research
fisheries.ucsc.edu
September 9, 2025 at 4:36 PM
UCSC-NOAA cooperative institute glider technician position open for applications. Scroll down to "interested in fisheries work" here:
fisheries.ucsc.edu
fisheries.ucsc.edu
Reposted by Elliott Hazen
Our science photo book The Radiant Sea is out Sept 2nd!!
30 years of research, 10 years of "we should", and a year of collating pix and writing.
Sönke and I show (mostly for the first time) images of how organisms produce, use, and interact with light in the sea. #bioluminescence #fluorescence 🦑🧪🌊
30 years of research, 10 years of "we should", and a year of collating pix and writing.
Sönke and I show (mostly for the first time) images of how organisms produce, use, and interact with light in the sea. #bioluminescence #fluorescence 🦑🧪🌊
August 28, 2025 at 2:22 AM
Our science photo book The Radiant Sea is out Sept 2nd!!
30 years of research, 10 years of "we should", and a year of collating pix and writing.
Sönke and I show (mostly for the first time) images of how organisms produce, use, and interact with light in the sea. #bioluminescence #fluorescence 🦑🧪🌊
30 years of research, 10 years of "we should", and a year of collating pix and writing.
Sönke and I show (mostly for the first time) images of how organisms produce, use, and interact with light in the sea. #bioluminescence #fluorescence 🦑🧪🌊
Reposted by Elliott Hazen
As a guy who got a cancer that was probably caused by a virus, I think we should have /more/ vaccines.
September 8, 2025 at 12:49 AM
As a guy who got a cancer that was probably caused by a virus, I think we should have /more/ vaccines.
Reposted by Elliott Hazen
More than 85 American and international scientists have denounced a Trump administration report that calls the threat of climate change overblown, saying the analysis is riddled with errors, misrepresentations and cherry-picked data to fit the president’s agenda.
Scientists Denounce Trump Administration’s Climate Report
Scores of researchers reviewed the Energy Department’s argument about greenhouse gases and found serious deficiencies.
nyti.ms
September 2, 2025 at 4:40 PM
More than 85 American and international scientists have denounced a Trump administration report that calls the threat of climate change overblown, saying the analysis is riddled with errors, misrepresentations and cherry-picked data to fit the president’s agenda.
Reposted by Elliott Hazen
✍️ [blog post] rOpenSci Champions Second Cohort: Projects Wrap-Up
🏆 Our second cohort of Champions completed the program. In this blog post, we share each champion’s projects, their achievements, and outreach activities.
Read the wrap-up by @yabellini […]
🏆 Our second cohort of Champions completed the program. In this blog post, we share each champion’s projects, their achievements, and outreach activities.
Read the wrap-up by @yabellini […]
Original post on hachyderm.io
hachyderm.io
September 2, 2025 at 1:56 PM
✍️ [blog post] rOpenSci Champions Second Cohort: Projects Wrap-Up
🏆 Our second cohort of Champions completed the program. In this blog post, we share each champion’s projects, their achievements, and outreach activities.
Read the wrap-up by @yabellini […]
🏆 Our second cohort of Champions completed the program. In this blog post, we share each champion’s projects, their achievements, and outreach activities.
Read the wrap-up by @yabellini […]
Reposted by Elliott Hazen
AMOC is a climate-driven overturning current that supports northern Europe's warm climate. It's collapse would result in a colder Europe.
The Gulf Stream is powered by the rotation of the Earth. For it to collapse, the planet would have to stop spinning.
That, the physicists tell me, would be bad.
The Gulf Stream is powered by the rotation of the Earth. For it to collapse, the planet would have to stop spinning.
That, the physicists tell me, would be bad.
Semi-regular reminder that the AMOC and the Gulf Stream are no the same thing.
The collapse of the AMOC would be Catastrophic.
The collapse of the Gulf Stream would be Apocalyptic.
The collapse of the AMOC would be Catastrophic.
The collapse of the Gulf Stream would be Apocalyptic.
September 2, 2025 at 5:46 PM
AMOC is a climate-driven overturning current that supports northern Europe's warm climate. It's collapse would result in a colder Europe.
The Gulf Stream is powered by the rotation of the Earth. For it to collapse, the planet would have to stop spinning.
That, the physicists tell me, would be bad.
The Gulf Stream is powered by the rotation of the Earth. For it to collapse, the planet would have to stop spinning.
That, the physicists tell me, would be bad.
Trying to decide where to submit your presentations at Ocean Sciences by Wednesday? Two I would selfishly suggest...
Top predators as sentinels: agu.confex.com/agu/osm26/pr...
Scales of prediction in fisheries management:
agu.confex.com/agu/osm26/pr...
Top predators as sentinels: agu.confex.com/agu/osm26/pr...
Scales of prediction in fisheries management:
agu.confex.com/agu/osm26/pr...
Top Predators as Ecosystem Sentinels: A Novel Tool for Proactive Management
The accelerating pace of environmental change in the Anthropocene demands innovative tools to monitor shifts in ecosystem dynamics. Across taxa—from birds to invertebrates—sentinel species have long p...
agu.confex.com
August 18, 2025 at 6:56 PM
Trying to decide where to submit your presentations at Ocean Sciences by Wednesday? Two I would selfishly suggest...
Top predators as sentinels: agu.confex.com/agu/osm26/pr...
Scales of prediction in fisheries management:
agu.confex.com/agu/osm26/pr...
Top predators as sentinels: agu.confex.com/agu/osm26/pr...
Scales of prediction in fisheries management:
agu.confex.com/agu/osm26/pr...
Reposted by Elliott Hazen
Really excited that our #causalinference for climate change paper is out today! @dudney-joan.bsky.social, @lauradee.bsky.social , @econservation.bsky.social, @katherinesiegel.bsky.social were such an awesome team, and I hope this is a useful one for researchers in the field!
Really excited to share our new paper on #causalinference & #climatechange attribution out in #EcologyLetters today!
Are you asking "how much" or "if" climate change has impacted your system, then this paper is for you!
🧪🌏🌐🍁🌺🌱🌿
onlinelibrary.wiley.com/doi/10.1111/...
Are you asking "how much" or "if" climate change has impacted your system, then this paper is for you!
🧪🌏🌐🍁🌺🌱🌿
onlinelibrary.wiley.com/doi/10.1111/...
A Causal Inference Framework for Climate Change Attribution in Ecology
Accurately attributing ecological shifts to climate change remains a significant challenge. Here, we present an accessible causal inference framework designed for climate change attribution in observ...
onlinelibrary.wiley.com
August 14, 2025 at 8:13 PM
Really excited that our #causalinference for climate change paper is out today! @dudney-joan.bsky.social, @lauradee.bsky.social , @econservation.bsky.social, @katherinesiegel.bsky.social were such an awesome team, and I hope this is a useful one for researchers in the field!