Could clonality contribute to the northern survival of grey alder [Alnus incana (L.) Moench] during the Last Glacial Maximum?

Monika Dering , Małgorzata Latałowa , Krystyna Boratyńska , Piotr Kosiński , Adam Boratyński

Abstract

Reconstruction of the glacial and postglacial history of a species, including life-history traits, provides valuable insights into the relationships between ecological and genetic factors shaping phylogeographic patterns. Clonality appears as a trait of high importance for survival in northern refugia. In the present study, the phylogeographic structure of 24 Alnus incana (grey alder) populations and clonal structure in seven populations were analyzed utilizing four microsatellites markers. Palaeobotanical data were collected and combined with the genetic results in order to support the possibility that this species survived in northern refugia. Our study indicated that: (i) Balkan populations are the most divergent, which likely reflects their long-term in-situ existence, (ii) Western Alpine populations are genetically different from other European populations, which corresponds with palaeobotanical data, suggesting that this region served as a refugium for this species, (iii) the macrofossil data indicate that the Scandinavian and northeastern Polish populations are likely derived from the refugia located in northern latitudes, (iv) Western and Eastern Carpathian populations form separate groups, which indicate that both regions could serve as refugia. Clonality was an important factor in allowing grey alder to survive in northern regions during the last glaciation. However, this mode of reproduction has also influenced the population genetic structure, as we noted rather low level of gene diversity, HE = 0.386 and low allelic variability, A = 3.8, in this species.
Author Monika Dering
Monika Dering,,
-
, Małgorzata Latałowa KER
Małgorzata Latałowa,,
- Department of Plant Ecolog
, Krystyna Boratyńska
Krystyna Boratyńska,,
-
, Piotr Kosiński
Piotr Kosiński,,
-
, Adam Boratyński
Adam Boratyński,,
-
Other language title versions
Journal seriesActa Societatis Botanicorum Poloniae, ISSN 0001-6977
Issue year2017
Vol86
No1
Pages1-14
Publication size in sheets0.65
Keywords in Englishclonality, genetic diversity, grey alder, macrofossils, northern refugia
DOIDOI:10.5586/asbp.3523
URL https://pbsociety.org.pl/journals/index.php/asbp/article/download/asbp.3523/6150
Languageen angielski
Score (nominal)25
ScoreMinisterial score = 25.0, 20-12-2017, ArticleFromJournal
Ministerial score (2013-2016) = 25.0, 20-12-2017, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 0.917 (2) - 2016=1.161 (5)
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