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Monika Dering (email), Andrzej Lewandowski, Krzysztof Ufnalski, Aleksandra Kedzierska

How far to the east was the migration of white oaks from the Iberian refugium?

Dering M., Lewandowski A., Ufnalski K., Kedzierska A. (2008). How far to the east was the migration of white oaks from the Iberian refugium? Silva Fennica vol. 42 no. 3 article id 240. https://doi.org/10.14214/sf.240

Abstract

The goal of this study was to investigate the postglacial recolonization pathways of the white oaks Quercus robur and Quercus petrea in Poland, and especially to evaluate the impact of Iberian refugium in this part of Europe. Chloroplast DNA polymorphism of 310 individuals older than 200 years was analyzed. Six haplotypes in total were found to differentiate three maternal lineages: the Balkan (haplotypes 4, 5, and 7), the Apennine (haplotypes 1 and 2), and the Iberian (haplotype 12). The most abundant were members of the Balkan (71.5% of all samples) and the Apennine lineage (23.1%), and only 5.4% of individuals were of Iberian origin. The geographic distribution of the three lineages is clearly structured. The northernmost territories of Poland are occupied by Apennine (haplotype 1) and Iberian (haplotype 12) lineages, whereas samples in central and southern Poland represents the Balkan lineage. The population structure might be the result of competitive colonization among lineages after migration from different refugia. It is likely that colonization of northernmost parts of Poland by the Balkan lineage was halted or at least hampered due to the arrival of the Apennine populations. The most significant result of this study concerns the presence and status of the Iberian lineage in Poland, which is most likely of natural origin.

Keywords
oaks; postglacial recolonization; Quercus robur; Quercus petrea; refugia

Author Info
  • Dering, Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, Kornik, Poland ORCID ID:E-mail usnea@o2.pl (email)
  • Lewandowski, Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, Kornik, Poland ORCID ID:
  • Ufnalski, Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, Kornik, Poland ORCID ID:
  • Kedzierska, Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, Kornik, Poland ORCID ID:

Received 14 September 2007 Accepted 13 February 2008 Published 31 December 2008

Available at https://doi.org/10.14214/sf.240 | Download PDF

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