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Marc Johnson (he/him)

@evoecolab

Professor of Biology. Ecology, evolution, genetics, in natural and urban habitats. VP of Canadian Society of Ecology and Evolution. Passionate about connecting kids with nature, advocating for grad students, postdocs, science funding. Proud Canadian!

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23.11.2024
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Latest posts by Marc Johnson (he/him) @evoecolab

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Joyeuse Journée internationale des femmes! Nous sommes reconnaissants envers les femmes extraordinaires qui dirigent (et qui ont dirigé) la SCEE, ainsi qu’envers toutes les femmes écologistes et biologistes de l’évolution à travers le Canada pour leur travail essentiel.

08.03.2026 19:38 👍 4 🔁 3 💬 1 📌 0
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Happy International Women’s Day! We are grateful to the incredible women who lead (and have led) the Canadian Society of Ecology and Evolution, & to all the women ecologists & evolutionary biologists across Canada for their important work. You help make our society, country, & planet a better place!

08.03.2026 19:38 👍 21 🔁 7 💬 1 📌 0

Congrats Lucas! EPIC doesn’t even to begin to describe what you accomplished here.

18.02.2026 04:54 👍 1 🔁 0 💬 1 📌 0

☘️NEW PAPER☘️ I am incredibly excited to announce that the centrepiece of my PhD was just published in Ecological Monographs! This was a massive transcontinental common garden experiment using white clover with researchers from UToronto 🇨🇦, UL Lafayette 🇺🇸, CNRS 🇫🇷, and SLU 🇸🇪 doi.org/10.1002/ecm....

17.02.2026 22:53 👍 14 🔁 3 💬 3 📌 1
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Urban dandelions have evolved to stay close to home. That’s bad news Small seed “parachutes” may be causing inbreeding

Urban dandelions have evolved to be less dispersive in Japan www.science.org/content/arti... #urbanecology #urbanevolution 🌏

14.01.2026 12:19 👍 5 🔁 2 💬 0 📌 0

Hear you! We weren't given a choice for the first one, but we've asked to move out of the USA for future meetings.

07.01.2026 23:19 👍 2 🔁 0 💬 0 📌 0
Poster advertising the inaugural Gordon Research Conference on Urban Evolution and Ecology held January 31-February 5, 2027 in Ventura Beach, California

Poster advertising the inaugural Gordon Research Conference on Urban Evolution and Ecology held January 31-February 5, 2027 in Ventura Beach, California

We are pleased to announce the inaugural Gordon Research Conference on Urban Evolution and Ecology which will be held from Jan. 31 - Feb. 5, 2027. Please save the dates, and we look forward to welcoming you to beautiful Ventura Beach, California!

07.01.2026 18:58 👍 31 🔁 28 💬 1 📌 1

JOBS IN BIOLOGY: I'm giving a lecture on careers in biology next week for our students. I'd love to hear your perspective on the 3 most important things that you think impress potential employers? #biologyjobs #careers

02.01.2026 17:11 👍 3 🔁 3 💬 5 📌 0

Fabulous society. Join! And not just Canadians. The annual meeting is my favourite of all conferences and we love to have our non-Canadian friends join us.

16.12.2025 21:52 👍 7 🔁 6 💬 0 📌 1
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Happy holidays from CSEE! ☃️ Now’s a great time to (re)join. Learn more: csee-scee.ca. Faculty: consider gifting CSEE memberships to students & postdocs! They're just $30/person and grant-eligible.

16.12.2025 15:59 👍 4 🔁 6 💬 1 📌 1
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Joyeuses Fêtes de la part de la SCEE! ☃️ C’est le moment idéal pour (ré)adhérer. En savoir plus : csee-scee.ca.
Professeur·e·s : offrez des adhésions CSEE aux étudiant·e·s et postdocs — 30 $/personne, admissible aux subventions.

16.12.2025 16:01 👍 3 🔁 2 💬 0 📌 0
Qualtrics Survey | Qualtrics Experience Management The most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today.

TL;DR We're looking for biology/evolution instructors in the US and Canada to test the impacts of inclusive evolutionary biology educational materials on undergraduate learning (you will be compensated). Pasting the official recruitment info in thread below. sunybuffalo.qualtrics.com/jfe/form/SV_...

18.11.2025 15:59 👍 5 🔁 15 💬 1 📌 3
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Support Our Science Welcomes the Focus on Research and Innovation in Budget 2025 News ReleaseFrom Support Our ScienceNovember 5, 2025OTTAWA, ON - Support Our Science, an organization dedicated to advocating for increased funding for Canada’s 300,000 graduate students and postdocto...

Investing in Canada’s research! Support Our Science welcomes Budget 2025’s focus on next-gen researchers: $133M for PhDs & postdocs, plus funding for chairs, faculty & infrastructure.

#SupportOurScience #cdnpoli

Read more: www.supportourscience.ca/post/support...

05.11.2025 16:45 👍 5 🔁 3 💬 0 📌 1
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Effects of urbanization on local adaptation and eco-evolutionary feedbacks in white clover - Nature Ecology & Evolution Evidence of adaptation to the urban environment remains limited. Using reciprocal transplants of white clover in urban and rural environments, this study shows divergent selection on an antiherbivore ...

Part one of my common garden experiment is out today in Nature E&E!! We compare how urban and rural environments affect selection on HCN production, local adaptation, and eco-evo dynamics in white clover doi.org/10.1038/s415...

03.11.2025 15:40 👍 7 🔁 4 💬 1 📌 1

New paper from PhD student @ellmartin.bsky.social provides compelling experimental evidence that urbanization drives local adaptation, life history divergence and eco-evo feedbacks on a diverse community. Congrats Ella! 🌎🌆 #urbanecology #urbanevolution #evoeco

04.11.2025 12:01 👍 2 🔁 2 💬 0 📌 0
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When your lab dresses up for Halloween as the many versions of their supervisor. It was like looking in a mirror- very spooky! 👻🎃

31.10.2025 17:54 👍 25 🔁 0 💬 0 📌 0

Canadian researchers should be aware the there is a motion before the Parliamentary Standing Committee on Science and Research to force Tricouncils to hand over disaggregated peer review data on all applications:
Applicant names, profiles, demographics
Reviewers names, profiles, comments, and scores

30.10.2025 20:33 👍 144 🔁 170 💬 13 📌 50
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"Urbanization" leads to frequent genome-wide signatures of selection specific to both urban & rural habitats. Read the latest paper from our group led by @jssantangelo.bsky.social & Rob Ness: academic.oup.com/evolut/advan... #urbanecology #urbanevolution 🌎 @utmbiology.bsky.social

22.08.2025 22:49 👍 17 🔁 3 💬 0 📌 0
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#LetsGoJays

31.10.2025 00:46 👍 4 🔁 0 💬 0 📌 0
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NSF Graduate Research Fellowship Program (GRFP)

The #NSF Graduate Research Fellowship Program #GRFP solicitation is coming soon!

The due date for Life Sciences proposals is 27 October 2025.

For more info: www.nsf.gov/funding/oppo...

10.09.2025 19:10 👍 24 🔁 14 💬 2 📌 0
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Congrats to our awesome summer undergrads for completing their projects, & to Apekshya, Mariana & Johanna for winning best presentation & poster awards at the undergrad summer research day. You've all learned a lot & we are proud of what you've accomplished @utmbiology.bsky.social @utm.utoronto.ca

26.08.2025 13:18 👍 6 🔁 0 💬 0 📌 1
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This big chinese mantis (Tenodera sinensis) came to visit our quad on campus today, perhaps in search of a mate. It didn't find a mate but it did find me, and some curious undergrads who exclaimed "WOW, I didn't know we had those in Canada". In fact, they arrived in North America 120 years ago!

25.08.2025 22:54 👍 4 🔁 0 💬 0 📌 0
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"Urbanization" leads to frequent genome-wide signatures of selection specific to both urban & rural habitats. Read the latest paper from our group led by @jssantangelo.bsky.social & Rob Ness: academic.oup.com/evolut/advan... #urbanecology #urbanevolution 🌎 @utmbiology.bsky.social

22.08.2025 22:49 👍 17 🔁 3 💬 0 📌 0
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Diversity and assembly of the microbiome of a leguminous plant along an urbanization gradient Interactions between plants and bacterial communities are essential for host physiology and broader ecosystem functioning, but plant–microbiome interactions can be disrupted by environmental change l...

Excited to see @dmurraystoker.bsky.social's final & very cool PhD paper out in #Oikos today: "Diversity and assembly of the microbiome of a leguminous plant along an urbanization gradient" #urbanecology #urbanevolution #microbiome nsojournals.onlinelibrary.wiley.com/doi/10.1002/... 🌎 🏙️ ☘️

14.08.2025 11:11 👍 6 🔁 1 💬 0 📌 0
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Canada plans a 15% budget cut. Scientists are alarmed Cuts could erase promised boost, researchers fear

Shocking development: PM Carney plans to cut Science funding by 15%, which would eliminate most of the planned investments the govt just made last year and set Canada further back: www.science.org/content/arti... #SupportOurScience @supportourscience.bsky.social

13.08.2025 11:38 👍 3 🔁 2 💬 1 📌 0

@supportourscience.bsky.social's letter of concern covered in @science.org's News today #cdnpoli #cdnsci

07.08.2025 21:51 👍 20 🔁 19 💬 3 📌 0
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Home | Support Our Science

Support Our Science a transmis une lettre de préoccupation aux dirigeants du pays.

Nous demandons au gouvernement de protéger la recherche, les bourses, et l’avenir scientifique du Canada.

Lettre complète : www.supportourscience.ca

#SupportOurScience #Cdnpoli

05.08.2025 13:55 👍 3 🔁 2 💬 0 📌 0
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Home | Support Our Science

Support Our Science has sent a formal letter of concern to Canada’s leaders.
We’re calling on the PM and ministers to protect research, scholarships, and the future of discovery.

Full letter: www.supportourscience.ca

#SupportOurScience #cdnpoli #STEMCanada

05.08.2025 13:54 👍 10 🔁 9 💬 0 📌 1
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Just me and my Cecropia friend, the largest moth in North America!

31.07.2025 21:22 👍 9 🔁 0 💬 1 📌 0

My department @utoronto.ca (www.utm.utoronto.ca/biology/) is hiring a molecular biologist in any field (e.g., ecology, evolutionary biology, etc.). Please encourage any excellent finishing PhD students, postdocs or assistant professor to apply here:
jobs.utoronto.ca/job/Mississa...

30.07.2025 14:55 👍 103 🔁 117 💬 1 📌 4