Across-species patterns of genetic variation in forest trees of Central Europe

The study focuses on geographical patterns of genetic variation at allozyme loci common for four main tree species of Central Europe (Norway spruce, silver fir, common beech and sessile oak). Moving-window averaging of four indicators of allelic richness and diversity (proportion of polymorphic loci...

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Bibliographic Details
Published in:Biodiversity and conservation 2010-06, Vol.19 (7), p.2025-2038
Main Authors: Gömöry, Dušan, Longauer, Roman, Paule, Ladislav, Krajmerová, Diana, Schmidtová, Jarmila
Format: Article
Language:English
Subjects:
Abies alba
Allelic richness
Biodiversity
Biogeography
Biological diversity
Biomedical and Life Sciences
Climate Change/Climate Change Impacts
Conservation
Conservation Biology/Ecology
Data processing
Differentiation
Diversity
Ecology
Evolution
Evolutionary biology
Fagus sylvatica
Forests
Genetic aspects
Genetic diversity
Genetic research
Genotypes
Hot spots
Life Sciences
Original Paper
Picea abies
Pine trees
Plant species
Population genetics
Quercus petraea
Silver
spatial distribution
Statistics
Trees
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Summary:The study focuses on geographical patterns of genetic variation at allozyme loci common for four main tree species of Central Europe (Norway spruce, silver fir, common beech and sessile oak). Moving-window averaging of four indicators of allelic richness and diversity (proportion of polymorphic loci, mean number of alleles per locus, effective number of alleles and expected heterozygosity) with window size of 50 × 50 km was used to identify the patterns. Moreover, local genetic divergence was assessed using the G ST (Nei, Molecular population genetic and evolution, Amsterdam and Oxford, North-Holland, 1975) and D j (Gregorius and Roberds, Theor Appl Genet 71:826-834, 1986) statistics for common beech and silver fir, where raw genotype data were available. Spatial patterns of diversity and allelic richness were quite similar. Romanian Carpathians were identified as the most important hotspot of genetic diversity and evolutionary divergence in Central Europe. Implications for genetic conservation are briefly discussed.
ISSN:0960-3115
1572-9710
DOI:10.1007/s10531-010-9823-z