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Posts by Corné de Groot

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Trait coevolution and causal inference using generalized dynamic phylogenetic models Phylogenetic comparative methods are widely used to study trait coevolution across biological and cultural domains. The most common methods are phylogenetic generalized linear (mixed) models, phyl...

Our paper on generalized dynamic phylogenetic models is finally out in MEE 🥳 The brainchild of @err-ring.bsky.social, GDPMs open up a vast new space for comparative studies on complex, coevolving traits, greatly aided by @scottclaessens.bsky.social's work on the accompanying R package. Check it out!

1 day ago 22 9 0 1

Have you heard of the impact-and-responsiveness model? It's a way to quantify individual differences in social interactions.
Curious how it works, performs across study designs, and compares to other approaches?

Check out our paper (also the first chapter of my PhD) 👇
doi.org/10.1093/jeb/voag013

2 weeks ago 3 3 1 0
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Decomposing social interactions: a statistical method for estimating social impact and social responsiveness Abstract. Social interactions mediate the phenotypic expression of fitness-relevant traits. The expression of such labile social traits includes three dist

New method for studying social responsiveness and social impact: both shape the expression of social traits. Ignoring variation in responsiveness can limit understanding of social trait evolution:

@roriwijnhorst.bsky.social @cdegroot.bsky.social @dingemanselab.bsky.social

doi.org/10.1093/jeb/...

2 weeks ago 5 2 0 0
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🇨🇦 SORTEE Canada Chapter

Based in Canada and interested in open, reliable, transparent ecology & evolution research?

👉 Fill out our expression of interest form (tinyurl.com/yxayj9yd) to connect, share ideas, and help shape future local activities! 😊

3 weeks ago 6 5 0 0
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🔊SAVE THE DATE for our 6th SORTEE conference: 13-14th Oct 2026!

Registration & content submission (unconferences, hackathons, workshops) will open soon.

Keep an👁️on sortee.org/upcoming/ #SORTEE2026

To join the mailing list for conference updates, click: docs.google.com/forms/d/e/1F...

4 weeks ago 22 18 0 0
The SORTEE guidelines for data and code quality control in ecology and evolutionary biology

🧵 New paper out today in @peercommunityin.bsky.social Journal!

@joelpick.bsky.social et al. introduce the first standardised guidelines for data & code quality control in #ecology & #evolutionarybiology, on behalf of @sortee.bsky.social 🔓

doi.org/10.24072/pcj...

#OpenScience #EEB [1/5]

1 month ago 30 23 2 4
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My experience starting the SORTEE Brazil chapter SORTEE blog

Want to start a local #SORTEE chapter?

🌍 Here’s how Raquel Turba launched the Brazil chapter for some inspiration!👇 sortee.org/blog/2026/03...

Interested in your own? Reach out to us!

1 month ago 9 4 0 0
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SORTEE Webinar: On what makes good sharable and reproducible R code, how to do it, and why it’s good for science For this month's SORTEE webinar, Dr. Dax Kellie from the Atlas of Living Australia will present on good, sharable, and reproducible R code in science

In one week I'll be talking about tips for reproducible R code and why science would love you to try these tips on your own code too 🧪😍🌏

It's an online talk, so feel free to watch comfortably from your couch. Hope to see you there!
@sortee.bsky.social #rstats

events.humanitix.com/sortee-webin...

1 month ago 58 29 2 1

Our paper investigating reproducibility potential in ecological journals without a code-sharing policy is now @peercomjournal.bsky.social

📰 doi.org/10.24072/pcj...
💻 github.com/ASanchez-Toj...

We've shared our results already (bsky.app/profile/asan...), so we won't bother you again.

Instead...👇

1 year ago 12 11 1 0
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I am looking for a PhD student to join my new Socio-Eco-Evo group, hosted in Katie Peichel's Evolutionary Ecology Division @ University of Bern. We're offering a fully funded 4-year position, studying social plasticity and behavioral adaptation among stickleback in Greenland. Please share around!

2 months ago 79 96 1 2
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📑📊We have just uploaded a new pre-print where we decompose spatial, temporal and spatial-temporal variation in natural selection on reproductive traits for great tits and blue tits.
With Yimen Araya-Ajoy, @ellafcole.bsky.social and @sheldonbirds.bsky.social
www.biorxiv.org/content/10.6...

1 month ago 11 7 1 1
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SORTEE Webinar: On what makes good sharable and reproducible R code, how to do it, and why it’s good for science For this month's SORTEE webinar, Dr. Dax Kellie from the Atlas of Living Australia will present on good, sharable, and reproducible R code in science

Coming up in March! Join @sortee.bsky.social for a webinar with @daxkellie.bsky.social on good, shareable, and reproducible R code - register here: events.humanitix.com/sortee-webin...

1 month ago 23 23 0 1
Figure showing how the correlation between mass and recruitment in Wytham Great Tits depends on environmental conditions - in particular note switch from almost none to very strong with increasing population density

Figure showing how the correlation between mass and recruitment in Wytham Great Tits depends on environmental conditions - in particular note switch from almost none to very strong with increasing population density

New research just out in J Evol Biol: led by @lbliard.bsky.social with @jsmartin.bsky.social @dzchilds.bsky.social @paniw.bsky.social & Arpat Ozgul using the very cool Covariance Reaction Norm approach to test environmental dependence of trade-offs in great tits
academic.oup.com/jeb/advance-...

2 months ago 10 7 0 0
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Among-trait covariance and cross-year repeatability for direct and indirect individual effects in producer–scrounger behaviour in wild house sparrows Abstract. Variation in traits expressed during social interactions can be attributed to direct individual effects (DIEs) of the focal individual’s identity

Social partners shape phenotypes in house sparrows: direct & indirect social effects covary in producer-scrounger tactics, forming a multivariate syndrome that constrains trait variation:

academic.oup.com/jeb/advance-...

@cdegroot.bsky.social @roriwijnhorst.bsky.social
@dingemanselab.bsky.social

2 months ago 10 6 0 0
The SORTEE Guidelines for Data and Code Quality Control in Ecology and Evolutionary Biology

We've just updated the @sortee.bsky.social guidelines for data and code review following great feedback at @peercommunityin.bsky.social.

ecoevorxiv.org/repository/v...

We now have an app: github.com/SORTEE/DCQC and a website: eivimeycook.github.io/DCQC/

2 months ago 17 9 2 2

We show that producer and scrounger behaviour are subject to direct and indirect social effects, and that these covary within and among traits. Both direct and indirect effects were stable across years for producing and scrounging, and have the potential to reduce heritable variation

2 months ago 0 0 0 0
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Among-trait covariance and cross-year repeatability for direct and indirect individual effects in producer–scrounger behaviour in wild house sparrows Abstract. Variation in traits expressed during social interactions can be attributed to direct individual effects (DIEs) of the focal individual’s identity

Happy to share that our work on direct & indirect social effects in producer-scrounger behaviours was recently published in JEB:
academic.oup.com/jeb/advance-...

@roriwijnhorst.bsky.social @dingemanselab.bsky.social @ali--wilson.bsky.social

2 months ago 13 3 1 0
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I hope to see some of you in Bielefeld for this upcoming workshop on measuring and modeling plasticity. ECRs in and around Germany with a penchant for statistics should consider applying while spots remain available!

2 months ago 15 16 0 1
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"Body size shapes average behaviour, social impact, and social responsiveness in agonistic interactions" doi.org/10.32942/X2H...

2 months ago 4 2 0 1
Illustration of how additive variation on the latent liability scale becomes partly non-additive on the dichotomous phenotypic scale.

Illustration of how additive variation on the latent liability scale becomes partly non-additive on the dichotomous phenotypic scale.

📖Published📖

Check out MEE's new review article 👉 Full decomposition of phenotypic variance in dichotomous traits: New methods and key implications for behaviour, demography and evolutionary ecology 🌍 🧪

buff.ly/IMsl7eL

5 months ago 12 5 0 0
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A wide range of abiotic and biotic variables leaves most variation in bird nest architecture unexplained | Proceedings of the Royal Society B: Biological Sciences Nests are the locations or containers for offspring, and mediate interactions between offspring and the environment. However, understanding how environmental factors shape the evolution of nest archit...

New paper today in Proc B @royalsociety.org. We explored nest architecture in 3,685 species of birds, modelling the multivariate nature of nests, i.e. how shape, location or attachment co-occur. Then we explored how the environment affected nest architecture evolution. Spoilers in the title! 🪺🐦🌍

5 months ago 28 15 1 1
How to Start Your Own Code Club – How to Start Your Code Club

📚 We just launched a guide on starting code clubs—born from #SORTEE (un)conference!

Real tips, real experiences, from the community to the community!

Read it, use it, adapt it, and most importantly, help us make it better!

Open science communities for the win! 💙💚

sortee.github.io/start-your-c...

5 months ago 6 3 1 0
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SORTEE Webinar: The Risks and Rewards of Large Language Models in (Open) Scientific Research SORTEE Workshop & Webinar Series

Happy to announce the next edition of the @sortee.bsky.social Workshop & Webinar series on October 27 at 16:00UTC, ‘The Risks and Rewards of Large Language Models in (open) Scientific Research’ with @tanyadoesscience.bsky.social !! Sign up here:
events.humanitix.com/sortee-webin...

6 months ago 4 4 0 2
PhD Seasonal Timing of Egg Overwintering Insects under Climate Change - NIOO-KNAW - Wageningen PhD Seasonal Timing of Egg Overwintering Insects under Climate Change - NIOO-KNAW - Wageningen

📢4-year fully funded #PhD on seasonal timing of egg overwintering insects 🦋🦗🪳
🔬Identify universal mechanisms underlying #insect egg developmental time under #ClimateChange
📌@niooknaw.bsky.social @animalecol-nioo.bsky.social

ℹ️ vacatures.knaw.nl/job-invite/2...
❗Application deadline: 7 December 2025

5 months ago 21 20 0 2

Does anyone know of a nice guide for students (bachelor and master's level) on how to lead group paper discussions that they could share with me? What would be especially great are examples of the types of questions they should ask the group.

6 months ago 4 4 0 0
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Join Join Society for Open, Reliable, and Transparent Ecology and Evolutionary biology (SORTEE)

🌍 Join SORTEE – A worldwide Open Science community for ecology and evolution! 🌱🧬

🌐 Join trainings, code clubs & our annual online conference
🚀 Help shape the future of Open Science

Membership is inclusive and flexible.
👉 Learn more: www.sortee.org/join/

#OpenScience #Ecology #Evolution

6 months ago 15 9 0 1

Do you run or participate in a code club at your institution, or are you interested in starting one but don’t know where to begin? @cecibaldoni.bsky.social and I are leading an ‘unconference’ discussion at @sortee.bsky.social’s virtual conference on October 16 - come share some tips and ideas!

6 months ago 6 3 2 1
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#ISBE2026 Call for Abstracts is now open! Submit your abstract by 15 December 2025 on www.isbe2026.com

@behavecol.bsky.social

6 months ago 44 40 0 5
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Seasonal size change and aging in shrews

PhD Alert! 😍 Our lab is hiring a PhD student to study how shrews shrink in winter and grow in spring. Yes, you read that right!
tinyurl.com/shrinkingshr...
Join us at the @mpi-animalbehav.bsky.social, study a super cool animal, and join the @imprs-qbee.bsky.social community!

DM me for questions!

7 months ago 35 49 2 3
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New in #ProcB - From policy to practice: Progress towards #data- and #code-sharing in ecology and evolution @asanchez-tojar.bsky.social @eivimeycook.bsky.social tell us more in our blog royalsociety.org/blog/2025/09...

7 months ago 26 23 0 0