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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 23h

PhD thesis submitted! What a 3-year journey it has been, from conferences, grants, and publications to collaborations across countries, including a 6-month research visit abroad. I’m incredibly grateful to everyone who supported me and especially my professors, Diego Rubolini and Lorenzo Serra!

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Reposted by Ioannis Kalaitzakis

Marie-Morgane Rouyer @mariemrouyer.bsky.social · 16/09/2026

🚨 New paper in @consletters.bsky.social, one of the main outputs of my #PhD ! 🥳 You can read it here 👉 doi.org/10.1111/con4... Summary below

Paper presentation - Highly mobile seabirds reveal areas of conservation importance across the Atlantic Ocean

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 20/03/2026

Extremely happy that my Master's thesis is published! Thank you @mariemrouyer.bsky.social and @ana-sl-rodrigues.bsky.social for your guidance, as well as thanks to all the co-authors!

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 09/03/2026

We just published in Communications Earth & Environment (Nature Portfolio)! My 1st-year Master's internship at Sorbonne University (CNRS) is now out. Read the early online version to learn how ocean acidification affects carbon burial in seagrass ecosystems: doi.org/10.1038/s432... #BlueCarbon #MSc

doi.org

Enhanced carbon burial in seagrass meadows under ocean acidification revealed by carbon dioxide vents - Communications Earth & Environment

Ocean acidification can alter coastal carbon cycling by altering community composition, enhancing seagrass meadow carbon burial rates, according to analyses of seagrass sediment cores and macroalgal t...

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Reposted by Ioannis Kalaitzakis

Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social · 19/02/2026

A new paper shows that less than 2 months of exposure to Twitter’s algorithmic feed significantly shifts people’s political views to the right. Moving from chronological feed to the algorithmic feed also increases engagement. This is one of the most concerning papers I’ve read in awhile.

The political effects of X's feed algorithm
https://doi.org/10.1038/s41586-026-10098-2
Received: 16 December 2024
Accepted: 4 January 2026
Published online: 18 February 2026
Open access
• Check for updates
Germain Gauthier,5, Roland Hodler?5, Philine Widmer35 & Ekaterina Zhuravskaya3,4,5 m
Feed algorithms are widely suspected to influence political attitudes. However, previous evidence from switching off the algorithm on Meta platforms found no political effects'. Here we present results from a 2023 field experiment on Elon Musk's platform X shedding light on this puzzle. We assigned active US-based users randomly to either an algorithmic or a chronological feed for 7 weeks, measuring political attitudes and online behaviour. Switching from a chronological to an algorithmic feed increased engagement and shifted political opinion towards more conservative positions, particularly regarding policy priorities, perceptions of criminal investigations into Donald Trump and views on the war in Ukraine. In contrast, switching from the algorithmic to the chronological feed had no comparable effects.
Neither switching the algorithm on nor switching it off significantly affected affective polarization or self-reported partisanship. To investigate the mechanism, we analysed users' feed content and behaviour. We found that the algorithm promotes conservative content and demotes posts by traditional media. Exposure to algorithmic content leads users to follow conservative political activist accounts, which they continue to follow even after switching off the algorithm, helping explain the asymmetry in effects. These results suggest that initial exposure to X's algorithm has persistent effects on users' current political attitudes and account-following behaviour, even in the absence of a detectable effect on partisanship.

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 04/12/2025

Have a look at my Blog Post regarding my experience at the 15th EOU Congress!

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 15/09/2025

Had a blast presenting my work at two conferences! Over the past month, I presented my 2nd PhD chapter on Mediterranean Gull migration at the 15th European Ornithologists' Congress (Wales) and the 22nd Italian Ornithological Conference (Puglia). Grateful to my 18 collaborators who made it possible!

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 21/08/2025

Once again, many thanks to the BOU for awarding me the Conference Attendance Grant!

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 03/07/2025

I got awarded two grants! 🟢 British Ecological Society – Training & Travel Grant 🟢 British Ornithologists’ Union – Member Conference Attendance Grant These grants will support my oral presentation at the 15th European Ornithologists’ Union Congress in Bangor. #BES #BOU #Ecology #EOU2025

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 23/04/2025

My second PhD chapter has been accepted for an oral presentation at the 15th EOU Congress in Bangor, Wales! I’ll be presenting my research on the Mediterranean Gull. Excited to discuss about this rather chaotic species! #EOU2025 #Ornithology #BirdMigration #MediterraneanGull #PhD #BirdResearch

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 23/04/2025

Honoured to be invited to present my Master’s thesis remotely at the UNEP-WCMC Cambridge offices. In collaboration with BirdLife International and CEFE, my study focused on land-based threats to Atlantic seabirds, highlighting key conservation priorities. #Seabirds #Conservation #UNEPWCMC #BirdLife

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Ioannis Kalaitzakis @ioannis-kalaitz.bsky.social · 13/12/2024

🌈 Honored to Be a Panelist for Purple Friday! I am honored to have been invited as a panelist by Queer Leiden University for this year's Purple Friday event at Leiden University. I’m excited to join a lineup of speakers and discuss how we can advocate for LGBTQIA+ equity within academia! ⬇️

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