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Exploring the origins of a glacial relict seal

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Manage episode 498244841 series 1451457
Content provided by PNAS. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by PNAS or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

The postglacial history of the Saimaa ringed seal

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, Jaakko Pohjoismäki, Jukka Jernvall, and Ari Löytynoja discuss the evolutionary history of the Saimaa ringed seal.

In this episode, we cover: •[00:00] Introduction •[01:06] Molecular biologist Jaakko Pohjoismäki introduces Lake Saimaa and the Saimaa ringed seal. •[02:30] Zoologist Jukka Jernvall talks about the characteristics of species isolated by glaciation. •[03:27] Evolutionary biologist and bioinformatician Ari Löytynoja explains the genetic and demographic methods of the study. •[04:11] Löytynoja and Jernvall explain why the results were surprising and where the study turned next. •[06:20] Pohjoismäki and Löytynoja describe the study’s implications for biodiversity in postglacial habitats. •[07:50] Jernvall and Löytynoja talk about the study’s caveats and limitations. •[10:14] Conclusion.

About Our Guests:

Jaakko Pohjoismäki Professor University of Eastern Finland

Jukka Jernvall Professor University of Helsinki

Ari Löytynoja University Lecturer University of Helsinki

View related content here: https://www.pnas.org/doi/abs/10.1073/pnas.2503368122

Follow us on Spotify, Apple Podcasts, or wherever you get your podcasts for more captivating discussions on scientific breakthroughs!

Visit Science Sessions on PNAS.org: https://www.pnas.org/about/science-sessions-podcast

Follow PNAS: Twitter/X Facebook LinkedIn YouTube Sign up for the PNAS Highlights newsletter

  continue reading

415 episodes

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iconShare
 
Manage episode 498244841 series 1451457
Content provided by PNAS. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by PNAS or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

The postglacial history of the Saimaa ringed seal

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, Jaakko Pohjoismäki, Jukka Jernvall, and Ari Löytynoja discuss the evolutionary history of the Saimaa ringed seal.

In this episode, we cover: •[00:00] Introduction •[01:06] Molecular biologist Jaakko Pohjoismäki introduces Lake Saimaa and the Saimaa ringed seal. •[02:30] Zoologist Jukka Jernvall talks about the characteristics of species isolated by glaciation. •[03:27] Evolutionary biologist and bioinformatician Ari Löytynoja explains the genetic and demographic methods of the study. •[04:11] Löytynoja and Jernvall explain why the results were surprising and where the study turned next. •[06:20] Pohjoismäki and Löytynoja describe the study’s implications for biodiversity in postglacial habitats. •[07:50] Jernvall and Löytynoja talk about the study’s caveats and limitations. •[10:14] Conclusion.

About Our Guests:

Jaakko Pohjoismäki Professor University of Eastern Finland

Jukka Jernvall Professor University of Helsinki

Ari Löytynoja University Lecturer University of Helsinki

View related content here: https://www.pnas.org/doi/abs/10.1073/pnas.2503368122

Follow us on Spotify, Apple Podcasts, or wherever you get your podcasts for more captivating discussions on scientific breakthroughs!

Visit Science Sessions on PNAS.org: https://www.pnas.org/about/science-sessions-podcast

Follow PNAS: Twitter/X Facebook LinkedIn YouTube Sign up for the PNAS Highlights newsletter

  continue reading

415 episodes

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