Pleistocene Refugia for Calluna vulgaris (L.) Hull Populations in the European Atlantic Region

The distribution of nine chloroplast DNA haplotypes in four insular North-Atlantic and four European coastal Atlantic populations of Calluna vulgaris in the glacial zone of the range has been analyzed in comparison with that in six marginal southern populations in the nonglacial zone of the Atlantic...

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Bibliographic Details
Published in:Russian journal of ecology 2018-07, Vol.49 (4), p.286-295
Main Authors: Sannikov, S. N., Petrova, I. V., Paule, L., Egorov, E. V., Cherepanova, O. E., Dymshakova, O. S.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Calluna vulgaris
Chlorella
Chloroplast DNA
Chloroplasts
Coastal zone
Deoxyribonucleic acid
Dispersal
DNA
Ecology
Environment
Haplotypes
Life Sciences
Pleistocene
Populations
Recolonization
Refugia
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Summary:The distribution of nine chloroplast DNA haplotypes in four insular North-Atlantic and four European coastal Atlantic populations of Calluna vulgaris in the glacial zone of the range has been analyzed in comparison with that in six marginal southern populations in the nonglacial zone of the Atlantic and Mediterranean regions. As a result, two hypothetical Pleistocene refugia (HPRs) for this C. vulgaris population group have been revealed, one in the Cévennes mountain range and the other in the Southern Alps (Trento). Judging from the 1– F ST value, it has been found that the group of populations in the glacial Atlantic zone and adjacent European coastal Atlantic region is genetically similar to the HPR in the Cévennes at a highly significant level ( p ≥ 0.999) and less similar to the HPR in Trento; however, it differs significantly from other Mediterranean and Atlantic populations. It has been concluded that the most probable hypothetical Pleistocene refugium for the recent C. vulgaris populations of the northeastern Atlantic and European coastal Atlantic regions was in the west of the Mediterranean, in the Cévennes, while the additional refugium was in the Southern Alps. Possible directions of the postglacial dispersal and recolonization of habitats by C. vulgaris populations from the western Mediterranean to the northeast of the Atlantic and to Scandinavia have been revealed.
ISSN:1067-4136
1608-3334
DOI:10.1134/S1067413618030086