Predicted Distribution Patterns of Pelias kaznakovi (Nikolsky, 1909) in the Caucasus Hotspot with a New Locality Record from Turkey

Serkan Gül, Yusuf Kumlutaş, Çetin Ilgaz


We represent climatic preferences of Pelias kaznakovi, which is a Caucasus endemic viper species together with a new locality record. Male P. kaznakovi specimen has morphological similarities in terms of pholidosis characters and color and pattern like other specimens in the literature. According to species distribution modeling, bioclimatic variables as of precipitation of driest month appear to have the most useful information on geographic distribution of P. kaznakovi. Distribution model of P. kaznakovi under current climatic conditions showed better adaptation to the northwest of the Caucasus hotspot.


biodiversity; Caucasus; climate; hotspot; Pelias kaznakovi; Rize; Viperidae

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Ananjeva N. B., Orlov N. L., Khalikov R. G., Darevsky I. S., Ryabov I. S., and Barabanov A. V. (2006), The Reptiles of Northern Eurasia: Taxonomic diversity, distribution, conservation status, Pensoft Series Faunistica, Bulgaria.

Afsar M. and Afsar B. (2009), «A new locality for Vipera (Pelias) kaznakovi Nikolsky, 1909 (Reptilia, Viperidae) in the north-eastern Anatolia», Russ. J. Herpetol., 16(2), 155 – 158.

Arıkan H., Kumlutaş Y., Türkozan O., and Baran İ. (2003), «Electrophoretic patterns of some viper venoms from Turkey», Turk. J. Zool., 27, 239 – 242.

Avcı A., Ilgaz Ç., Başkaya S., Baran İ., and Kumlutaş Y. (2010), «Contribution to the distribution and morphology of Pelias darevskii (Vedmederja, Orlov et Tuniyev 1986) (Reptilia: Squamata: Viperidae) in northeastern Anatolia», Russ. J. Herpetol., 17(1), 1 – 7.

Baran Y., Tok C. V., Olgun K., İret F., and Avcı A. (2005), «On viperid (Serpentes: Sauria) specimens collected from Northeastern Anatolia», Turk. J. Zool., 29, 225 – 228.

Başoğlu M. (1947), «On some varieties Vipera berus from the extreme northeastern Anatolia», Rev. Fac. Sci. Univ. Istanbul. Ser. B, 12, 182 – 190.

Brito J. C., Santos X., Pleguezuelos J. M., and Sillero N. (2008), «Inferring evolutionary scenarios with geostatistics and geographical information systems for the viperid snakes Vipera latastei and Vipera monticola», Biol. J. Linn. Soc., 95, 790 – 806.

Gabelaia M., Tarkhnishvili D., and Murtskhvaladze M. (2015), «Phylogeography and morphological variation in a narrowly distributed Caucasian rock lizard, Darevskia mixta», Amphibia–Reptilia, 36, 45 – 54.

Gül S. (2015), «Potential distribution modeling and morphology of Pelias barani (Böhme and Joger, 1983) in Turkey», Asian Herpetol. Res., 6, 206 – 212.

Hijmans R. J., Cameron S. E., Parra J. L., Jones P. G., and Jarvis A. (2005), «Very high resolution interpolated climate surfaces for global land areas», Int. J. Climatol., 25, 1965 – 1978.

Martínez-Freiría F., Velo-Antón G., and Brito J. C. (2015), «Trapped by climate: interglacial refuge and recent population expansion in the endemic Iberian adder Vipera seoanei», Divers. Distrib., 21, 331 – 344.

Mebert K., İğci N., Göçmen B., and Ursenbacher S. (2014), «Vipern der Nördost-Türkei: Genfluss und Umweltfaktoren zwischen den Taxa des Vipera-barani-kaznakovi-darevskii-Komplexes», DGHT Terr. Elaphe, 49, 58 – 67.

Mittermeier R. A., Robles G. P., Hoffmann M., Pilgrim J., Brooks T., Mittermeier C. G., Lamoreux J., and da Fonseca G. A. B. (2004), Hotspots Revisited: Earth’s Biologically Richest and Most Endangered Ecoregions, CEMEX, Mexico.

Nikolsky A. M. (1909), «A new viper species from Caucasus, Vipera kaznakovi», Tiflis Mitt. Kaukas Mus., 3, 173 – 174 [in Russian].

Nilson G., Tuniyev B. S., Orlov N., Hoggren M., and Andrén C. (1995), «Systematics of the vipers of the Caucasus: Polymorphism or sibling species?» Asiatic Herpetol. Res., 6, 1 – 16

Nilson G., Tuniyev B. S., Andrén C., Orlov N. L., Joger U., and Herrmann H. W. (1999), «Taxonomic position of the Vipera xanthina complex», Kaupia, 8, 99 – 102.

Olson D. M. and Dinerstein E. (2002), «The Global 200: Priority ecoregions for global conservation», Ann. Missouri Bot. Gard., 89, 199 – 224.

Orlov N. and Tuniyev S. B. (1990), «Three species in the Vipera kaznakovi complex (Eurosiberian group) in the Caucasus: Their present distribution, possible genesis, and phylogeny», Asiatic Herpetol. Res., 3, 1 – 36.

Phillips S. J., Anderson R. P., and Schapire R. E. (2006), «Maximum entropy modeling of species geographic distributions», Ecol. Model., 190, 231 – 259.

Popov S. V., Shcherba I. G., Ilyina L. B., Nevesskaya L. A., Paramonova N. P., Khondkarian S. O., and Magyar I. (2006), «Late Miocene to Pliocene palaeogeography of the Paratethys and its relation to the Mediterranean», Palaeogeogr. Palaeoclimatol. Palaeoecol., 238, 91 – 106.

Pyron R. A., Burbrink F. T., and Wiens J. J. (2013), «A phylogeny and updated classification of Squamata, including 4161 species of lizards and snakes», BMC Evol. Biol., 13, 93.

Tarkhnishvili D., Thorpe R. S., and Arntzen J. W. (2000), «Prepleistocene refugia and differentiation between populations of the Caucasian salamander (Mertensiella caucasica)», Mol. Phylogenet. Evol., 14, 414 – 422.

Tarkhnishvili D., Kaya U., Gavashelishvili A., and Serbinova I. (2008), «Ecological divergence between two evolutionary lineages of the Caucasian Salamander: Evidence from the GIS analysis», Herpetol. J., 18, 155 – 163.

Tarkhnishvili D., Gavashelishvili A., and Mumladze L. (2012), «Palaeoclimatic models help to understand current distribution of Caucasian forest species», Biol. J. Linn. Soc., 105, 231 – 248.

Tarkhnishvili D. (2012) «Evolutionary history, habitats, diversification, and speciation in Caucasian rock lizards», in: O. P. Jenkins (ed.), Advances in Zoology Research, Nova Science Publishers, New York, pp. 79 – 120.

Tuniyev B. S. (1995), «On the Mediterranean influence on the formation of herpetofauna of the Caucasian isthmus and its main xerophylous refugia», Russ. J. Herpetol., 2(2), 95 – 119.

Venchi A. and Sindaco R. (2006), «Annotated checklist of the reptiles of the Mediterranean countries, with keys to specific identification. Part 2. Snakes (Reptilia, Serpentes)», Ann. Mus. Civ. Stor. Nat., 98, 259 – 364.

Zazanashvili N. (2009) «The Caucasus Hotspot», in: N. Zazanashvili and D. Mallon (eds.), Status and Protection of Globally Threatened Species in the Caucasus, CEPF, WWF, Tbilisi, p. 232.

Zinenko O., Stümpel N., Mazanaeva L., Bakiev A., Shiryaev K., Pavlov A., Kotenko T., Kukushkin O., Chikin Y., Duisebajeva T., Nilson G., Orlov N., L., Tuniyev S., Ananjeva N. B., Murphy R. W., and Joger U. (2015), «Mitochondrial phylogeny shows multiple independent ecological transitions and northern dispersion despite of Pleistocene glaciations in meadow and steppe vipers (Vipera ursinii and Vipera renardi)», Mol. Phylogenet. Evol., 84, 85 – 100.

Wallach V., Williams K. L., and Boundy J. (2014), Snakes of the World: A Catalogue of Living and Extinct Species, CRC Press, Boca Raton.

Warren D. L., Glor R. E., and Turelli M. (2010), «ENMTools: a toolbox for comparative studies of environmental niche models», Ecography, 33, 607 – 611.

Wielstra B., Espregueira Themudo G., Güçlü Ö., Olgun K., Poyarkov N. A., and Arntzen J. W. (2010), «Cryptic crested newt diversity at the Eurasian transition: The mitochondrial DNA phylogeography of Near Eastern Triturus newts», Mol. Phylogenet. Evol., 56, 888 – 896.



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