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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!
Marc Johnson (he/him)









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This is a project that started over two years ago with a workshop supported by @uoftcities.bsky.social. Ailene MacPherson and Aude Caizergues led the way in finding common ground and charting new paths for theoretical and empirical research
Excited to share our new paper: Predictions from evolutionary theory for urban environments. We brought together empiricists and mathematical theorists to find common ground on where and how we can work together to better understand urban evolution onlinelibrary.wiley.com/doi/abs/10.1...
I love starting my day with my #SCEECSEE20 mug. Happy birthday @csee-scee.bsky.social!
Ma première rencontre de la SCEE remonte à 2012. À ce moment-là, mon introduction à la communauté d’écologie et d’évolution au Canada n’aurait pas pu être plus marquante: j’ai fait partie de plus de 1000 scientifiques qui ont marché sur la Colline du Parlement #DeathOfEvidence #SCEECSEE20
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We still have a few tickets left for the CSEE 2026 Banquet! 🎉 Join us for a great evening of conversation, celebration, and community. Don’t miss out, we’d love to see you there! Get your tickets here: csee-scee.ca/csee-merchan...
At the Canadian Society for Ecology and Evolution meeting in Toronto, so many great talks using Song Meters to quantify avian biodiversity in urban and rural environments across Canada. @csee-scee.bsky.social @wildlifeacoustics.com
Il nous reste encore quelques billets pour le Banquet 2026 de la SCEE ! 🎉 Joignez-vous à nous pour une belle soirée d’échanges, de célébration et de communauté. Ne manquez pas ça, nous aimerions beaucoup vous y voir ! Procurez-vous vos billets ici : csee-scee.ca/fr/csee-merc...
Major projects should not come at the expense of safeguarding communities & the environment. CSEE President Julia Baum, VP Marc Johnson & incoming VP Sarah Otto explain why in their @ca.theconversation.com article: theconversation.com/canadas-majo... @juliabaum.bsky.social @evoecolab.bsky.social
Urbanization drives rapid and extreme environmental change, profoundly shaping the ecology and evolution of populations. In this Perspective, we call for the integration and development of evolutiona...
onlinelibrary.wiley.com
Predictions From Evolutionary Theory for Urban Environments
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The meetings of the CSEE/SCÉÉ have benefitted from hundreds of volunteers who helped further ecology and evolution research in Canada. Here are those from the 2025 meeting in Sherbrooke. My contributions were to talk others into doing most of the work and suggesting the color of the T-shirts.
It might be #SCEECSEE20 anniversary, but it's also St. John's, NL 10th anniversary! We had rain, fog, a Newfoundlander dog at the mixer, a baby on a SWEEET panel, row houses, icebergs, gannets, screech ins, and more. It was a time! Photo credit to folks on that other app using the conf. hashtag.
Marc Johnson (he/him)
Marc Johnson (he/him)
Marc Johnson (he/him)
Marc Johnson (he/him)
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CSEE_SCEE
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CSEE_SCEE
Happy Friday! This is a reminder that you can pre-order your limited edition CSEE 20th anniversary notebook and mug! (Pick up at the upcoming meeting) 👉 order here: csee-scee.ca/csee-merchan...
Dan Mennill
🎉💚La Société canadienne d’écologie et d’évolution célèbre ses 20 ans en 2026. À l’approche du congrès annuel, nous vous invitons à partager vos souvenirs préférés, photos et moments marquants des anciens congrès et événements de la SCEE! Identifiez votre publication avec hashtag #SCEECSEE20
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Marco Festa-Bianchet 🇨🇦
Carissa Brown
CSEE_SCEE
Canada’s ‘major projects’ should not come at the cost of the environment
🎉💚The Canadian Society of Ecology and Evolution turns 20 this year: As we head toward the annual meeting, we invite you to share your favourite memories, photos, and throwbacks from past CSEE meetings and events! Tag your post with hashtag #SCEECSEE20
🎉💚The Canadian Society of Ecology and Evolution turns 20 this year: As we head toward the annual meeting, we invite you to share your favourite memories, photos, and throwbacks from past CSEE meetings and events! Tag your post with hashtag #SCEECSEE20
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Impact assessments prevent harm before it occurs. Circumventing the process before we understand the risks is misguided and a gamble with our collective future.
theconversation.com
Canada’s ‘major projects’ should not come at the cost of the environment
CSEE_SCEE
CSEE_SCEE
The Conversation Canada