Philippe Hénault

Tidy Population Genetics We provide a tidy grammar of population genetics, facilitating the manipulation and analysis of data on biallelic single nucleotide polymorphisms (SNPs). `tidypopgen` scales to very large genetic data...

We are excited to announce that tidypopgen – a new package for rapid population genetic workflows in R – is now available at evolecolgroup.github.io/tidypopgen/ 🧬💻 Read more in the preprint describing its features here: www.biorxiv.org/content/10.1... #popgen #Rpackage #genetics 1/2

Biggest commitment to a 3 second joke I've ever seen

A plot of today’s S&P 500 fluctuations, with a peak this morning and settling into cycles with a period of just under an hour.

Ok class, now plot the population of snowshoe hares

Shared Dispersal Patterns but Contrasting Levels of Gene Flow in Two Anadromous Salmonids Along a Broad Subarctic Coastal Gradient Dispersal is a highly variable trait influenced by life history and ecological factors, affecting gene flow when dispersers successfully reproduce. Anadromous salmonids, with their diverse migratory ...

I highly recommend this new paper published by a colleague to anybody interested in #popgen #movementecology #fishecology. Bouchard et al. elegantly compared the population structure of two anadromous salmonid species to study effective dispersal patterns.

onlinelibrary.wiley.com/doi/10.1111/...

The Venney lab is unpacked, cleaned, organized, and ready for a few years of omics research until our renovated space is ready 🤓

Terrific work published by my great colleague Florent Sylvestre, who just defended is PhD thesis !

peercommunityjournal.org/articles/10....

One-quarter of freshwater fauna threatened with extinction - Nature A global multi-taxon extinction risk assessment of freshwater fauna for The IUCN Red List of Threatened Species finds one-quarter of species to be at high risk of extinction.

One-quarter of freshwater fauna threatened with #extinction doi.org/10.1038/s415...

The changing nature of future Arctic marine heatwaves and its potential impacts on the ecosystem - Nature Climate Change Arctic warming will decrease sea ice cover and increase the possibility of intensified marine heatwaves. Using a high-resolution model, the authors show that this intensification, combined with streng...

The changing nature of future Arctic marine heatwaves and its potential impacts on the ecosystem #heatwaves #Arctic #ecosystems #ClimateCrisis
www.nature.com/articles/s41...

Widespread admixture blurs population structure and confounds Lake Trout (Salvelinus namaycush) conservation even in the genomic era - Scientific Reports Scientific Reports - Widespread admixture blurs population structure and confounds Lake Trout (Salvelinus namaycush) conservation even in the genomic era

Some new Great Slave Lake Lake Trout genomics work from the Fraser lab !

Bernos, Gibelli, Michaelides, Won et al. 2024. Widespread admixture blurs population structure and confounds Lake Trout (Salvelinus namaycush) conservation even in the genomic era. www.nature.com/articles/s41...

Hybrid adaptation is hampered by Haldane’s sieve - Nature Communications Hybrids have complex genomes that influence their adaptive potential. This study reveals that yeast hybrids adapt slower than their parental species in a new environment, primarily due to a reduced ra...

For her PhD work, Carla Bautista in our group discovered that yeast hybrids adapted slower to stressful conditions, and she figured out why. See what she found here. #evolution www.nature.com/articles/s41...

New #phylogeography preprint is out, just in time for the holidays! Here we explore glacial lineages, mito-nuclear discordance and local ancestry tract detection using low-coverage WGS (2X), all in Arctic Char of course! 🐟🏔️ @jeansebmoore.bsky.social @michaelmhansen.bsky.social #PopGen

World’s Oldest Known Wild Bird Lays Egg At Age 74 Wisdom the albatross returned to Midway Atoll with a new mate and her first egg in years. The long-lived seabird is still alive and is estimated to be 74 years old.

Good ocean news 🌊 Wisdom the Laysan albatross (the oldest known bird) laid another egg 🥚
It's been 4 years since her previous partner, Akeakamai, disappeared. Now she has a new mate and they've just become parents. We'll know early 2025 if their egg safely hatches
🦑🧪🌊
www.forbes.com/sites/amanda...

Divergent reference genomes compromise the reconstruction of demographic histories, selection scans, and population genetic summary statistics https://www.biorxiv.org/content/10.1101/2024.11.26.625554v1 Characterizing genetic variation in natural populations is central to evolutionary biology. However,

Divergent reference genomes compromise the reconstruction of demographic histories, selection scans, and population genetic summary statistics https://www.biorxiv.org/content/10.1101/2024.11.26.625554v1

Amazing fossil alert.

Jurassic salamander from China. You can see the soft tissue of the eye, gills, limbs, even the folds of its tail. And its last meal its stomach…

🧪 #evolution #paleontology

Digging through old #coregonids literature in the library is always exciting ! Fascinating to see the extant of work done on these fishes over the years.

#whitefish #oldliterature #freshwaterfishes

Chernobyl black frogs reveal evolution in action Research on Chernobyl frogs has shown that the ionising radiation caused by the accident triggered a process of natural selection among these animals.

Here, a summary of our previous work revealing evolution in action in #Chornobyl frogs. 🧪 #EvoBio
theconversation.com/chernobyl-bl...

(and the paper here onlinelibrary.wiley.com/doi/full/10....)

New paper by @roberta-gargiulo.bsky.social on extinction debts and #popgen.
A bottleneck test is also a test for a genetic extinction debt 1/ at mutation-drift equilibrium Ne predicts allelic richness AR and gene diversity He and vice versa

Genetic Bottlenecks Driven by Population Disconnection Abstract: Connectivity among populations plays a crucial role in maintaining genetic variation at a local scale, especially in small populations affected strongly by genetic drift. The negative con...

3/ An extinction debt also occurs when gene flow in a metapopulation drops below 1 MPG. This doesn't reflect a deviation from mutation-drift equilibrium, but from migration-drift equilibrium in the metapop. A drop in gene flow reduces the realized inbreeding Ne of the subpopulation.

Since I've been here for a while… here are some useful features on Bluesky that you might not have discovered yet! 🧵

👀 Working on a #StarterPack for early career researchers (PhD students & Postdocs) in #genomics & #bioinformatics 🧬🖥️ Please share! Happy to add those working in this area so please suggest. Seeing a lot of PIs on here but would love to see more students 🎓🚀

Would like to be added :)

Assistant Professor in Data-Driven Modelling for Ecology and Water Conservation in Calgary, ... Assistant Professor in Data-Driven Modelling for Ecology and Water Conservation in Calgary, ...

University of Calgary is hiring an assistant professor in modelling, ecology, and water. Evolutionary biologists with a focus on aquatic organisms/ecosystems and modelling should also apply!
careers.ucalgary.ca/jobs/1497629...

2025 Annual Conference of the Canadian Society for Ecology and Evolution Fourwaves - 2025 Annual Conference of the Canadian Society for Ecology and Evolution

The call for symposia/workshops for the 2025 meeting of the Can Soc for Eco and Evo in Sherbrooke (!!!) is now open - deadline Jan 31. Looking forward to seeing you in the Eastern Townships next year! 🧪 event.fourwaves.com/scee2025/pag...

Extremely happy to share our latest work on the functional genetic basis of maturity age variation in Atlantic salmon! 🖥️🧬🦑🧪🐟

www.pnas.org/doi/10.1073/...

Curious People Lead the Way in Catching New Invasive Species Integrating iNaturalist and other sightings from a bug-curious public into biosecurity surveillance is a valuable approach for invasive species management.

Great evidence that posting weird bugs in iNaturalist really does help us do a better job detecting invasive species. entomologytoday.org/2024/11/19/c...

Hi Bluesky 🔵
Glad to appear in this new social zone! I'm Charlotte, working as a 3rd year Ph.D candidate at the Faculty of Veterinary Medicine in University of Calgary on woodland caribou genomics and microbiome in Western Canada. I'm interested about wildlife conservation and population ecology.

Development of SNP Panels from Low‐Coverage Whole Genome Sequencing (lcWGS) to Support Indigenous Fisheries for Three Salmonid Species in Northern Canada Single nucleotide polymorphism (SNP) panels are powerful tools for assessing the genetic population structure and dispersal of fishes and can enhance management practices for commercial, recreational...

Great paper led by my colleagues Anne Beemelmanns, Raphaël Bouchard & Sozos Michaelides.
In this study, SNP panels were designed for Lake Whitefish, Brook trout & Arctic Charr for usage in indigenous-led & commercial fisheries management initiatives, including mine 😎.

doi.org/10.1111/1755...

Screenshot of jobs on the career centre

Screenshot of jobs on the career centre

We’re hiring for NINE jobs at Nature Conservancy of Canada (NCC): www.natureconservancy.ca/en/who-we-ar...

Some have flexible location anywhere in 🇨🇦.

Reading NCC’s website (esp. strategic plan, geographic & thematic work, recent annual reports) always helps to prepare.

#ConservationJobs

Mummified sabre-toothed kitten found in Siberian permafrost stuns scientists The specimen, discovered in 2020 on the banks of the Badyarikha River in eastern Siberia, is believed to be about 31,800 years old.

Mummified sabre-toothed kitten found in Siberian permafrost stuns scientists .... new at BBC Wildlife www.discoverwildlife.com/prehistoric-...

I was always hoping there was a way to find the salmonid scientists on here easily. Now there is! Please comment to be added, it is (very) incomplete 🙏
#salmon #FishSci

go.bsky.app/GSn7fKy