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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Danusevičius, Darius;Kembrytė, Rūta;Buchovska, Jurata;Baliuckas, Virgilijus;Kavaliauskas, Darius
Title: Genetic signature of the natural gene pool of Tilia cordata Mill. in Lithuania: Compound evolutionary and anthropogenic effects
Is part of: Ecology and evolution. Hoboken : Wiley, 2021, vol. XX
Extent: p. 1-16
Date: 2021
Keywords: Gene flow;Genetic diversity;Genetic structure;Inbreeding;Microsatellites;Mixed forests;Riparian;Small-leaf lime;Species expanding
Abstract: Tilia cordata Mill. is a valuable tree species enriching the ecological values of the coniferous-dominated boreal forests in Europe. Following the historical decline, spreading of Tilia sp. is challenged by the elevated inbreeding and habitat fragmen-tation. We studied the geographical distribution of genetic diversity of Tilia cordatapopulations in Lithuania. We used 14 genomic microsatellite markers to genotype 543 individuals from 23 wild- growing populations. We found that Tilia cordata retained high levels of genetic diversity (population FIS= 0– 0.15, Ho= 0.53– 0.69, He= 0.56– 0.75). AMOVA, Bayesian clustering, and Monmonier's barrier detection indicate weak but significant differentiation among the populations (FST= 0.037***) into geographi-cally interpretable clusters of (a) western Lithuania with high genetic heterogeneity but low genetic diversity, bottleneck effects, (b) relatively higher genetic diversity of Tilia cordata on rich and most soils of midland lowland, and (c) the most differentiated populations on poor soils of the coolest northeastern highland possessing the highest rare allele frequency but elevated inbreeding and bottleneck effects. Weak genetic differentiation among the Tilia cordata populations in Lithuania implies common an-cestry, absence of strong adaptive gradients, and effective genetic exchange possible mediated via the riparian networks. A hypothesis on riparian networks as gene flow mediators in Tilia cordata was raised based on results of this study
Affiliation(s): Lietuvos agrarinių ir miškų mokslų centras Miškų institutas
Lietuvos agrarinių ir miškų mokslų centro Miškų institutas
Miškų ir ekologijos fakultetas
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:1. Straipsniai / Articles
Universiteto mokslo publikacijos / University Research Publications

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