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Marty Kardos

@martykardos.bsky.social
570 followers 269 following 188 posts

Conservation | Genomics | Ecology | 🧬 🐺 🐋 🐠 Former Federal Scientist @noaa.gov

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Reposted by Marty Kardos
Ethan Linck @elinck.bsky.social · 30/09/2026
I'm hiring a postdoc to help build tools for inferring complex speciation histories with genomic data. strong computational skills are a must, but this is a training opportunity. 60K$+ salary, 2 years, details flexible. please reach out! (and repost) ad here: jobs.montana.edu/postings/53150
jobs.montana.edu
Postdoctoral Researcher
The Department of Ecology at Montana State University is seeking a Postdoctoral Research Scholar as part of NSF-funded research on speciation under alternating cycles of gene flow and isolation (fundi...
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Craig D. Wells @craigdwells.bsky.social · 23/09/2026
Our new paper is out in @molecology.bsky.social! We asked why redband × westslope cutthroat hybridization can remain limited, while introduced coastal rainbow trout are associated with hybrid swarms. Our results point to inversions, dispersal, and genomic incompatibilities. doi.org/10.1111/mec....
doi.org
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Marty Kardos @martykardos.bsky.social · 24/09/2026
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Marty Kardos @martykardos.bsky.social · 24/09/2026
www.nytimes.com/2026/09/21/p...
nytimes.com
The Trump Administration Defangs the Endangered Species Act
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Marty Kardos @martykardos.bsky.social · 22/09/2026
The role of inversion polymorphisms in the dynamics of a salmonid hybrid zone. onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Inversion Polymorphisms Carried by Introduced Rainbow Trout Disrupt Hybrid Zones Between Native Species
Genomic mechanisms explaining why some hybrid zones remain stable while others collapse into hybrid swarms are poorly understood. In Montana's Kootenai River Basin, native interior redband trout (Onc...
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Ryan Gutenkunst @ryangutenkunst.bsky.social · 09/09/2026
Increasingly powerful methods are enabling increasing complex models of ancient human history to be inferred from population genomic data. In a recent review, I highlight two blind spots in these inferences: limitations of the methods and choices of models to fit. arxiv.org/abs/2608.27591
arxiv.org
Two blind spots in the demographic inference of human origins from genomic data
Ancient DNA and new inference methods have transformed the study of human origins, but consensus has not followed. Evidence increasingly indicates that hominin populations were pervasively structured ...
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Trevor A. Branch @trevorabranch.bsky.social · 09/09/2026
This is seismic news for fisheries scientists. Northern cod is *the* iconic symbol of total fisheries collapse due to overfishing (and other factors) *and* the iconic symbol of a complete failure to recover for decades afterwards. This is like announcing the complete recovery of bison on land.
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Marco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 09/09/2026
Waples: human-induced extreme reproductive skew in standardbred horses leads to a tiny effective population size. Most owners seek the 'best' sperm, possibly leading to substantial erosion of genetic diversity 🧪 academic.oup.com/jhered/advan...
academic.oup.com
Extreme male reproductive skew limits effective population size in American Standardbred horses
Abstract. Standardbred horses are widely used for harness racing in North America, Europe, Australia, and New Zealand. In the United States, two gaits (Pac
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Joachim Mergeay @jmergeay.bsky.social · 03/09/2026
We calculated the effective size of the Scandinavian wolf population every year since its founding from the entire pedigree. Why? Because we could. But also because this population is vulnerable, and policy keeps pushing for lower and lower conservation targets 1/ #consgen
nature.com
The effective size of the Scandinavian wolf population is too small for both short- and long-term conservation - Heredity
Heredity - The effective size of the Scandinavian wolf population is too small for both short- and long-term conservation
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Becky Taylor @beckystaylor.bsky.social · 01/09/2026
Been wondering how well runs of homozygosity can predict inbreeding depression? Read our new meta-analysis where we show a significant relationship between ROH and fitness across taxa #popgen #consgen: onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Runs of Homozygosity Predict Inbreeding Depression Across Taxa: A Systematic Review and Meta‐Analysis
Measuring inbreeding via runs of homozygosity (ROH) captures realized autozygosity and can infer inbreeding timing through ROH length. A growing body of literature links the proportion of the genome ....
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Anna Kramer @annackramer.bsky.social · 25/08/2026
Interior has reassigned ~30 of its most senior career staffers. Among those losing their longtime positions? The woman who directed the National Wildlife Refuge System for the last 10 years, and the man who ran the migratory bird program for the last 15.
notus.org
‘They Want Us All To Leave’: Interior Reassigns Dozens of Senior Staff
Around 30 top staffers have been reshuffled, with some people moving to teams outside their areas of expertise.
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Graham Coop @gcbias.bsky.social · 12/08/2026
Excited for @gabrielesgarlata.bsky.social’s new preprint on the Genome-Wide Effect of Drift and Selection over a Single Generation 1/n www.biorxiv.org/content/10.6...
biorxiv.org
The Genome-Wide Effect of Drift and Selection over a Single Generation
The relative importance of genetic drift versus selection to evolutionary change has long been debated. This debate has mainly focused over long-time-scales (e.g. hundreds of thousands of generations)...
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Marty Kardos @martykardos.bsky.social · 20/07/2026
This looks super cool: www.cell.com/current-biol...
cell.com
Florida scrub-jay genomes across space and time reveal impacts of population decline and reduced gene flow
By analyzing genomes from 241 Florida scrub-jays across five populations and two time points, Nguyen et al. reveal substantial losses of genetic diversity and increased inbreeding following population...
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JewelzinAZ @jewelzinaz.bsky.social · 25/06/2026
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Marty Kardos @martykardos.bsky.social · 25/06/2026
@itiscolossal.bsky.social's grifting and deception may be the worst thing to ever happen to the field of conservation genomics
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Marty Kardos @martykardos.bsky.social · 16/06/2026
Genetic rescue increases long-term fitness despite elevating putative genetic load in a male-dimorphic mite www-nature-com.weblib.lib.umt.edu:2443/articles/s41...
www-nature-com.weblib.lib.umt.edu
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David Tian @david-tian.bsky.social · 11/06/2026
New preprint from the last portion of my PhD! Despite low masked load, we found evidence for strong inbreeding depression in Devils Hole pupfish. The reason? A recessive lethal haplotype that causes a heart defect among developing embryos. www.biorxiv.org/content/10.6...
biorxiv.org
Long-term small effective population size, inbreeding, and a recessive lethal haplotype drive premature death in the endangered Devils Hole pupfish (Cyprinodon diabolis)
As anthropogenic habitat fragmentation and population decline accelerate globally, growing numbers of species face compounding demographic and genetic threats to long-term survival. Many populations a...
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Marty Kardos @martykardos.bsky.social · 11/06/2026
www.biorxiv.org/content/10.6...
biorxiv.org
Inbreeding depression by polygenic load following a severe population bottleneck
It is poorly understood how populations survive extreme bottlenecks despite severe inbreeding. We investigate the genomic architecture of inbreeding in the once critically endangered Seychelles warble...
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Marty Kardos @martykardos.bsky.social · 31/05/2026
Historically Small Population Size Limits Purging of Deleterious Mutations in a Conservation-Reliant Species, the Kirtland’s Warbler www.biorxiv.org/content/10.6...
biorxiv.org
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Jocelyn Poissant @jocelynpoissant.bsky.social · 22/05/2026
Great to see this study by @sam-deakin.bsky.social and Anita Michalak published in Evolutionary Applications. Using genomic data from >750 caribou and hierarchical structure analyses, we show that genetic clusters do not align with current conservation units in western Canada doi.org/10.1111/eva....
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Marty Kardos @martykardos.bsky.social · 28/04/2026
🧪 Rebuilding federal science after this nightmare will take decades unless science investment and civil servant hiring processes are drastically reformed. Key positions often sit vacant for years due to red tape and budget restrictions. www.nytimes.com/2026/04/27/c...
nytimes.com
How the Trump Administration Ended Independent Science at the E.P.A.
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Colette Delawalla, PhD @cdelawalla.bsky.social · 27/04/2026
The past 15 months have marked a dark chapter in US science; one that will require significant effort to repair. But I'm not interested in duct tape and bandaid solutions. Our system had problems before Jan 20th, 2025. So, @standupforscience.net is doing what we do best: TAKING ACTION. 1/7
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Matthew Hahn @3rdreviewer.bsky.social · 20/04/2026
Wrote a fun little thing on gene tree discordance: authors.elsevier.com/a/1mzPI3QW8S...
authors.elsevier.com
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Marty Kardos @martykardos.bsky.social · 20/04/2026
We also need to avoid fantasizing that new technological shortcuts are game-changing solutions to biodiversity loss. Effective conservation solutions are hard, costly, and piss people off.
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Patrícia Pečnerová @patriciachrzan.bsky.social · 16/04/2026
Can you believe that until now there were more genomes sequenced for the woolly mammoth than for living African elephants? Today, we bring you the first genomic, continent-scale analyses of 232 high-quality genomes of both species, the savanna and forest elephant. www.nature.com/articles/s41...
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Rob Denton @rddenton.bsky.social · 23/03/2026
First @molecology.bsky.social 's special issue in December (onlinelibrary.wiley.com/toc/1365294x...), and now this! Inspiring to see so many talented scientists working at the intersection of evobio, genomics, and applied conservation. Great for your reading lists!
onlinelibrary.wiley.com
Special Issue: CONSERVATION GENOMICS ‐ MAKING A DIFFERENCE: Molecular Ecology: Vol 34, No 23
Molecular Ecology is an international journal for research using molecular genetic techniques to address questions in ecology, evolution, behavior and conservation.
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Love Dalén @lovedalen.bsky.social · 25/03/2026
It’s always been a mystery to me how the genetic diversity and composition of the Scandinavian brown bear originated 🤔 Today, we publish a new paper that sheds new light on this, and a real-time example of how mito-nuclear discordances can evolve during severe bottlenecks: doi.org/10.1098/rsos...
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The Funk Lab at Colorado State University @funklab-congen.bsky.social · 24/03/2026
The Funk Lab (funklab.colostate.edu) is finally here on bluesky! 🥳
funklab.colostate.edu
Funk Lab
Photo credit: David Herasimtschuk
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Jeremy Yoder says no war @jbyoder.org · 23/03/2026
Incredibly excited about this preprint, and proud to have been along for the ride with @colincarlson.bsky.social and @ctrlalttim.com. There’s themes in here I have been thinking about since I interviewed for grad school, and it’s been wild to see it finally come together
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Joachim Mergeay @jmergeay.bsky.social · 20/03/2026
Another #consgen paper highlighting that ex-situ breeding, especially in species with high fecundity (fishes!) is no silver bullet for conservation, due to rapid evolution of domestication, even with careful genetic management.
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Marco Festa-Bianchet 🇨🇦 @marcofesta.bsky.social · 19/03/2026
New book on mountain sheep. I contributed 2 chapters with Fanie Pelletier. Have not yet read most chapters. 🧪 www.routledge.com/Mountain-She...
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Dr. Arun Sethuraman @arunsethuraman.bsky.social · 18/03/2026
onlinelibrary.wiley.com/doi/10.1111/... Robin's new tool - looks nifty!
onlinelibrary.wiley.com
Combining Multiple Genetic Estimates of Ne
Researchers often use multiple genetic methods to estimate contemporary effective population size (Ne), but few formally combine estimates despite potential benefits for increasing precision. Maximis....
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Joachim Mergeay @jmergeay.bsky.social · 16/03/2026
GBF Genetic indicator assessments in the USA higlights that the Endangered Species Act fails to capture the risk of genetic erosion of diversity within and among populations. @coalitioncongen.bsky.social @ginamo-consgen.bsky.social #consgen
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Marty Kardos @martykardos.bsky.social · 16/03/2026
The volume of 🐴 💩 in this is amazing. To Lamm, Doug Burgum isn’t the anti-regulation, fossil fuel addict we know so well, but instead a conservation visionary. And we who dare to call out their fake science just haven’t made it off the JV team yet. www.theguardian.com/us-news/2026...
theguardian.com
Can scientists really resurrect the dodo? Inside the company that says it can
Colossal Biosciences’ CEO says its work follows a ‘moral obligation’ while critics say it’s ‘tech bro’ hype that could undermine conservation
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Marty Kardos @martykardos.bsky.social · 16/03/2026
Very cool work based on an amazing long term study of bighorn sheep: No Pedigree, No Problem: Genomic Inbreeding Tracks Genetic Rescue With High Resolution - Mitchell et al: onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
No Pedigree, No Problem: Genomic Inbreeding Tracks Genetic Rescue With High Resolution
With increasing habitat fragmentation and population isolation, inbreeding becomes a pressing concern for the persistence of wildlife populations. Detailed inbreeding monitoring is crucial for assess...
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Marty Kardos @martykardos.bsky.social · 13/03/2026
🧪 www.pnas.org/doi/full/10....
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MTH @megt.bsky.social · 10/03/2026
GOP leadership using the rarely used Congressional Review Act to overrule land mgmt plans that have taken years of research, local collaboration and public meetings to push for coal & copper mining & oil drilling & reverse protections on other lands. 🧪🌿🌎 stateline.org/2026/03/09/r...
stateline.org
Republicans target public lands protections in a new way • Stateline
Republicans in Congress want to allow more mining and oil drilling on federal public lands, and they’ve recently turned to an obscure legislative maneuver to open areas for business.
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Marty Kardos @martykardos.bsky.social · 09/03/2026
Chromosome-Level Genome Assembly for Snowshoe Hare (Lepus Americanus) url: academic.oup.com/jhered/artic...
academic.oup.com
A Chromosome-Level Genome Assembly for Snowshoe Hare (Lepus Americanus)
Abstract. The snowshoe hare (Lepus americanus) is considered a critical keystone species of the boreal and temperate forests of North America. Although the
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Marty Kardos @martykardos.bsky.social · 09/03/2026
Our new perspective: The Future of the Southern Resident Killer Whales Depends on Interactions With Other Killer Whale Populations onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Perspective: The Future of the Southern Resident Killer Whales Depends on Interactions With Other Killer Whale Populations
The Southern Resident Killer Whales are a high-profile population listed as endangered in the United States and Canada. Risks to the population are well known, and include insufficient prey, inbreedi...
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Randy Watkins @bluetortoise3.bsky.social · 08/03/2026
Here is a direct link to the first full draft of the National Nature Assessment on the state of America’s land, water and wildlife that was started under the Biden administration but canceled by Trump before it could be published. 🌎 naturerecord.org/chapters
naturerecord.org
Chapters - The Nature Record
Now it’s our turn to shape what comes next. A new project. A mission years in the making.
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Phil Levin @phillevin.bsky.social · 06/03/2026
The draft Nature Record National Assessment is now open for comment! Take a look and tell us what we got right, what we missed, and what changes you’re seeing where you live. Your perspective will help shape the final record of nature in the U.S. naturerecord.substack.com/p/the-draft-...
naturerecord.substack.com
The Draft is Ready. Now We Need You.
Share your perspective on the state of nature in the U.S.
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Marty Kardos @martykardos.bsky.social · 08/03/2026
Nature Report, Killed by Trump, Is Released Independently www.nytimes.com/2026/03/05/c...
nytimes.com
Nature Report, Killed by Trump, Is Released Independently
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Marty Kardos @martykardos.bsky.social · 25/02/2026
Join Fred Allendorf, Sally Aitken, and me this November for a 6-day course on conservation genomics at the legendary La Selva Research Station in Costa Rica. Register by April 1. Details here: tropicalstudies.org/course/conse...
tropicalstudies.org
Conservation and Genomics of Populations with Fred Allendorf - Organization for Tropical Studies
This course will be 6 days long, and the instructors are Fred Allendorf, Sally Aitken, and Marty Kardos. This course will be based on Conservation and Genomics of Populations (Allendorf et al. 2022). ...
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Marty Kardos @martykardos.bsky.social · 24/02/2026
These scientists saw a future in public service—until Trump’s ‘massacre’ hit | Science | AAAS www.science.org/content/arti...
science.org
These scientists saw a future in public service—until Trump’s ‘massacre’ hit
Last year’s mass firings of “probationary” federal workers sent researchers’ lives into turmoil
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Marty Kardos @martykardos.bsky.social · 20/02/2026
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Dr. Arun Sethuraman @arunsethuraman.bsky.social · 06/02/2026
Developing this course from scratch, incorporating several new recent developments from my lab, including tests of ghost introgression, model development and testing, and inference from Ks histograms. Do sign up! Feel free to DM me with queries.
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Kiva Oken @kivaoken.bsky.social · 21/01/2026
📣Job alert!📣 Working as a federal scientist is complicated right now, but we are actually hiring. One *permanent* stock assessment position on my team at NOAA NWFSC will open for 7 days in early-mid Feb. Will be a shared ad across several science centers. Get those usajobs resumes polished...
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Joachim Mergeay @jmergeay.bsky.social · 17/01/2026
We have compiled a special issue for @evolappjournal.bsky.social on Effective population size in Conservation and Biodiversity Monitoring, dedicated to the late Michael W. Bruford. This SI is a must read for everyone who struggles with what "effective population size" means. #consgen
onlinelibrary.wiley.com
The Importance of Effective Population Size in Conservation and Biodiversity Monitoring
Effective population size (Ne) is a key concept in biology and conservation. Stripped to its bare essentials, it reflects how much genetic drift a population experiences, expressed as a number of ind...
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