Category Archives: Publications

Now published in Molecular Ecology Whole genome sequencing reveals how plasticity and genetic differentiation underlie sympatric morphs of Arctic charr. https://onlinelibrary.wiley.com/doi/10.1111/mec.70085 ABSTRACT Salmonids have a remarkable ability to form sympatric morphs after postglacial colonisation of freshwater lakes. These morphs often … Continue reading →

Whole genome sequencing reveals how plasticity and genetic differentiation underlie sympatric morphs of Arctic charr Khrystyna Kurta , Mariano Olivera Fedi , and many others. Submitted to Nature Ecology and Evolution, and then Nature Communications. Salmonids have a remarkable ability … Continue reading →

Han Xiao, Arnar Palsson, Zophonías Oddur Jónsson, et al. Gene flow and habitat heterogeneity shape coexistence dynamics of Arctic charr morphs in connected lakes. Authorea. December 27, 2024. DOI: 10.22541/au.173531304.47377188/v1 Submitted to Molecular Ecology. Abstract Sympatric morphs provide valuable systems … Continue reading →

Variation of tooth traits in ecologically specialized and sympatric morphs Guðbjörg Ósk Jónsdóttir*, Finnur Ingimarsson, Sigurður Sveinn Snorrason, Sarah Elizabeth Steele, Arnar Pálsson. Submitted to Evolutionary Biology, link to bioRxiv. GOJ: https://orcid.org/0009-0008-0502-5553 FI: https://orcid.org/0000-0002-0815-7622 SES: https://orcid.org/0000-0001-8404-5537 AP: https://orcid.org/0000-0002-6525-8112 Abstract Differences … Continue reading →

  Now published in the Icelandic Naturalist. Areas used by Salmonid juveniles in Lake Þingvallavatn and connected rivers. Uppeldissvæði laxfiska í Þingvallavatni og tengdum ám (in icelandic, w. English abstract). Guðbjörg Ósk Jónsdóttir, Benóný Jónsson, Magnús Jóhannsson og Arnar Pálsson.  … Continue reading →

In January 2023 I was asked to give a historical account of the discovery of DNA helix in a local medical conference. From that I wrote a little piece about the discovery and discussed how DNA is seriously overinterpreted in … Continue reading →

Guðbjörg´s first paper is now published in PLoS-One. Jónsdóttir GÓ, von Elm L-M, Ingimarsson F, Tersigni S, Snorrason SS, Pálsson A, et al. (2024) Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus). PLoS … Continue reading →

The prey availability and diet of juvenile Atlantic salmon (Salmo salar L.) in low-productivity rivers in northern Europe accepted for publication in the Journal of Fish Biology. http://doi.org/10.1111/jfb.15757  Authors: Sum Yi Lai1,2,  Arnar Pálsson2, Guðni Guðbergsson1, Ingi Rúnar Jónsson1, Jón … Continue reading →