Ecosystems of Eastern Europe at the time of maximum cooling of the Valdai glaciation (24–18kyr BP) inferred from data on plant communities and mammal assemblages

Маркова, А.К.; Симакова, А.Н.; Puzachenko, A. Yu.

doi:10.1016/j.quaint.2008.05.020

Cited by 48 publications

(43 citation statements)

References 5 publications

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“…Macrofossils of B. humilis dated back to the Middle Pleniglacial and Late Weichselian have also been discovered in southwestern Ukraine (StarachowiczRybka et al 2009). These findings strongly suggest that, like other Betula species (Palmé et al 2003;Willis and van Andel 2004;Binney et al 2009;Markova et al 2009), the shrub birch could have survived the LGM at higher latitudes. However, nuclear microsatellite investigation has failed to support the hypothesis of a B. humilis refugium situated in southeastern Poland (Jadwiszczak et al 2011a).…”

Section: Introductionmentioning

confidence: 58%

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Jadwiszczak

Banaszek

Jabłońska

et al. 2012

Tree Genetics & Genomes

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Betula humilis is an endangered plant species in Central Europe. In order to protect this species, it is necessary to document its genetic diversity in this region and to identify areas for conservation prioritisation. As molecular investigations conducted throughout the ranges of many plant species have shown that the highest genetic diversities are found within former glacial refugia and/or within the contact zones of different phylogenetic lineages, we investigated the reasons underlying the considerable genetic variation of B. humilis in northeastern Poland revealed previously using nuclear microsatellites. We analysed 365 individuals of B. humilis from 19 populations and 67 specimens of Betula pendula and Betula pubescens sampled in four geographical regions in Poland and Belarus for polymorphism in chloroplast PCR-restriction fragment length polymorphism markers. Genetic data strongly suggested that B. humilis could have survived the Last Glacial Maximum at higher latitudes, but the hypothesis of a refugium in southeastern Poland was rejected. Chloroplast DNA analysis confirmed high genetic diversity in some populations in northeastern Poland. This phenomenon can likely be explained in terms of a suture zone, as the high haplotypic richness was followed by h T ≤v T . Similar patterns of haplotype distributions in the birches under study and high introgression ratio (IG00.71) among B. humilis and congeneric trees suggested that postglacial recolonisation of the shrub birch was complicated by haplotype sharing with other birches.

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Section: Introductionmentioning

confidence: 58%

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Jadwiszczak

Banaszek

Jabłońska

et al. 2012

Tree Genetics & Genomes

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“…[40,41]; see [42]). The potential for in situ survival in northern Europe during the LGM remains controversial for many species, even cold-adapted ones but especially for plants, is receiving growing support (e.g.…”

Section: Discussionmentioning

confidence: 98%

“…B 284: 20162799 episode (e.g. [41,58]), although SDM analyses showed no evidence of suitable habitats in northeast Europe at the LGM.…”

Section: Discussionmentioning

confidence: 99%

Glacial survival of trophically linked boreal species in northern Europe

et al. 2017

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Whether non-arctic species persisted in northern Europe during the Last Glacial Maximum (LGM) is highly debated. Until now, the debate has mostly focused on plants, with little consideration for other groups of organisms, e.g. the numerous plant-dependent insect species. Here, we study the late-Quaternary evolution of the European range of a boreo-montane leaf beetle, Gonioctena intermedia, which feeds exclusively on the boreal and temperate trees Prunus padus and Sorbus aucuparia. Using species distribution models, we estimated the congruence between areas of past and present suitable climate for this beetle and its host plants. Then we derived historical hypotheses from the congruent range estimates, and evaluated their compatibility with observed DNA sequence variation at five independent loci. We investigated compatibility using computer simulations of population evolution under various coalescence models. We find strong evidence for range modifications in response to late-Quaternary climate changes, and support for the presence of populations of G. intermedia in northern Europe since the beginning of the last glaciation. The presence of a co-dependent insect in the region through the LGM provides new evidence supporting the glacial survival of cold-tolerant tree species in northern Europe.

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“…Although the response of every species to the Pleistocene climatic changes was varied in direction and scale, which consequently resulted in the origin of new biomes with no modern equivalents (Markova et al 2009), European birches show some similarities in phylogeographical patterns.…”

Section: Discussionmentioning

confidence: 99%

“…In the early and late phases of the Quaternary glaciations, the highest values of B. pendula and B. pubescens pollen are noted and B. nana pollen dominated in the full glacial stages (Tralau 1963). During the LGM, birches were not confined only to southern European refugia but were also spread in central and eastern Europe (Willis et al 2000, Willis and van Andel 2004, Markova et al 2009). From the beginning of the late glacial, birches were dominant species in forest assemblages across different parts of Europe (Ralska-Jasiewiczowa et al 2004).…”

Section: Fossil Materialsmentioning

confidence: 99%

What can molecular markers tell us about the glacial and postglacial histories of European birches?

Jadwiszczak¹

2012

Silva Fenn.

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The last glaciation was one of the most severe of the Pleistocene epoch. The development of the Scandinavian ice sheet forced many species to reduce their ranges to areas with favourable climatic conditions. Most European species survived the Last Glacial Maximum in refugia in southern parts of Europe. Cold-tolerant species, such as birch trees and shrubs, could also inhabit western, eastern or central Europe. After climate warming, Holocene recolonisation began. This paper presents a comparative analysis of the genetic variation of four European Betula species to reconstruct their glacial and postglacial histories. Two chloroplast DNA haplotypes dominate within the ranges of all birch species, one haplotype is the most common in western and northwestern Europe, the second haplotype occurs mainly in the eastern and southeastern parts of the continent. This finding suggests that birches have recolonised Europe from the western and the eastern refugia, respectively. Most of Europe was likely populated from higher latitude refugia because there was no evidence of isolation by distance and weak genetic structures were detected. Similar patterns of haplotype distributions within Betula ranges indicate that postglacial recolonisation may be disturbed by interspecies hybridisation.

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Ecosystems of Eastern Europe at the time of maximum cooling of the Valdai glaciation (24–18kyr BP) inferred from data on plant communities and mammal assemblages

Cited by 48 publications

References 5 publications

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Glacial survival of trophically linked boreal species in northern Europe

What can molecular markers tell us about the glacial and postglacial histories of European birches?

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