D. Tarkhnishvili

Publications61
h-index16
Citations708
Highly Influential Citations50
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Forest snail faunas from Georgian Transcaucasia: patterns of diversity in a Pleistocene refugium
Thirty forest sites in Georgia were sampled to obtain inventories of their land snail faunas. The sites, in nine sampling areas, ranged from Batumi near the Turkish border to Lagodekhi near the… Expand
Palaeoclimatic models help to understand current distribution of Caucasian forest species
Spatial and temporal constraints on dispersal explain the absence of species from areas with potentially suitable conditions. Previous studies have shown that post-glacial recolonization has shaped… Expand
Pre-pleistocene refugia and differentiation between populations of the caucasian salamander (Mertensiella caucasica).
A 350-bp fragment of the mitochondrial cytochrome-b gene was sequenced in the Caucasian salamander, Mertensiella caucasica, representing 10 populations from across its range along the Black Sea… Expand
Geographic and genetic boundaries of brown bear (Ursus arctos) population in the Caucasus
The taxonomic status of brown bears in the Caucasus remains unclear. Several morphs or subspecies have been identified from the morphological (craniological) data, but the status of each of these… Expand
Unisexual rock lizard might be outcompeting its bisexual progenitors in the Caucasus
We compared the distributions, abundances and ecological requirements of parthenogenetic lizard Darevskia ‘dahli’ and its bisexual progenitors, D. portschinskii and D. mixta, in Georgia. We developed… Expand
Humid forest refugia, speciation and secondary introgression between evolutionary lineages: differentiation in a Near Eastern brown frog, Rana macrocnemis
Brown frogs of the complex Rana macrocnemis demonstrate various degrees of differentiation between the two widespread forms, macrocnemis and camerani, in different parts of Anatolia, the Caucasus… Expand
Modelling the range of Syrian spadefoot toad ( Pelobates syriacus ) with combination of GIS-based approaches
Syrian spadefoot toads (Pelobates syriacus) are found from Balkan Peninsula throughout the Caucasus, Middle East, and Northern Iran. However, the range of this species is sufficiently mapped only in… Expand
Coincidence of genotypes at two loci in two parthenogenetic rock lizards: how backcrosses might trigger adaptive speciation
The parthenogenetic lizards Darevskia armeniaca and Darevskia dahli are widespread throughout the Lesser Caucasus, although they occupy different habitats. While these forms differ in size, colour… Expand
Systematics and Evolutionary History of Large Endemic Snails from the Caucasus (Helix buchii and H. goderdziana) (Helicidae)
Abstract: Two species of genus Helix Linnaeus, 1758 (Mollusca: Gastropoda: Helicidae) endemic to the Caucasus region are known from Georgia and northeastern Turkey: Helix buchii Dubois de… Expand
BIAS IN ESTIMATION OF NEWT POPULATION SIZE: A FIELD STUDY AT FIVE PONDS USING DRIFT FENCES, PITFALLS AND FUNNEL TRAPS
Drift fences are frequently used to sample amphibians for population studies. Thus, some researchers do not mark animals, but use capture rates at the drift fence as an indicator of population size.… Expand
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