Using whole mitochondrial DNA sequences from 89 White-tailed Eagles (Haliaeetus albicilla) sampled from Iceland, Greenland, Norway, Denmark and Estonia between 1990 and 2018, we investigate the mitogenomic variation within and between countries. We show that there is a substantial population differentiation between the countries, reflecting similar major phylogeographic patterns obtained previously for the control region of the mitochondria, which suggested two main refugia during the last glacial period. Distinct mitogenomic lineages are observed within countries with divergence times exceeding the end of the last glacial period of the Ice Age. Deviations from neutrality indicate that these lineages have been maintained by natural selection and there is an excess of segregating amino acids in comparison with number of fixations suggesting a large load of deleterious mutations. The maintenance of the distinct mitogenic lineages within countries inflates our estimates of divergence times.
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22 December 2021
Distinctive mitogenomic lineages within populations of White-tailed Eagles
Charles Christian Riis Hansen,
Sina Baleka,
Sólveig Magnea Guðjónsdóttir,
Jacob Agerbo Rasmussen,
Jesus Adrian Chimal Ballesteros,
Gunnar Thor Hallgrimsson,
Robert A. Stefansson,
Menja von Schmalensee,
Kristinn Haukur Skarphédinsson,
Aili Lage Labansen,
Madis Leivits,
Kim Skelmose,
Christian Sonne,
Rune Dietz,
David Boertmann,
Igor Eulaers,
Michael D. Martin,
Snæbjörn Pálsson
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Ornithology
Vol. 139 • No. 2
April 2022
Vol. 139 • No. 2
April 2022
conservation
conservation
divergence time
Haliaeetus albicilla temps de divergence
Phylogéographie
PHYLOGEOGRAPHY
selection
