Browsing by Author "Tok, Cemal Varol"
Now showing items 1-12 of 12
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Action Plan for the Conservation of Endemic Anatolian Meadow Viper, Vipera anatolica Eiselt & Baran, 1970 in Southwestern Anatolia
Tok, Cemal Varol; Afşar, Murat; Yakın, Batuhan Yaman; Çiçek, Kerim (İstanbul University-Cerrahpaşa, 2021)The Anatolian viper, Vipera anatolica Eiselt & Baran, 1970, is the rarest, critically endangered, and endemic species in the western Taurus Mountains, Antalya, Turkey. Here, we evaluated the current status, potential ... -
Balkan Duvar Kertenkelesi'nin (Sauria: lacertidae, Podarcis Tauricus) geçmiş, günümüz ve gelecek coğrafik dağılım örüntüleri
Göcek, Çağrı (Çanakkale Onsekiz Mart Üniversitesi, 2023)Pleyistosen buzul ve buzullar arası dönemler, türlerin dağılım desenini büyük ölçüde etkilemiştir. Bu çalışmada, geç Pleyistosen iklim dalgalanmalarının ve küresel iklim değişikliklerinin, yaygın olarak yayılış gösteren ... -
Bazı Lacertidlerde (Lacerta trilineata s.l., Parvilacerta parva, Ophisops elegans) karşılaştırmalı yaş Tayini
Kaplan, Çiğdem (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2022)Bu çalışmada ZDEU-ÇOMÜ koleksiyonunda yer alan, 2006-2007 yıllarında Konya Akşehir ve civarından toplanmış Lacertidae familyasına dahil bazı türler (Lacerta trilineata s.l. 5 ♂♂- 5 juv., Parvilacerta parva 5 ♂♂- 5 ♀♀ ve ... -
Can DNA Barcode Study be Done from a Museum Specimen Fixed in a Formaldehyde Solution? A Case of Emys orbicularis (Linnaeus, 1758)
Günay, Ulvi Kerem; Yakın, Batuhan Yaman; Pipilos, Atakan; Keskin, Emre; Tok, Cemal Varol (Çanakkale Onsekiz Mart Üniversitesi, 2024)DNA barcoding, a molecular taxonomy technique, has been increasingly used by herptile taxonomists in recent years. In DNA barcoding studies with museum specimens, there are difficulties in achieving success in specimens ... -
Çevik kurbağa (Rana dalmatina Bonaparte, 1839) (Anura: Ranidae) örneklerinde yaş tayini ve bazı büyüme parametrelerinin incelenmesi
Genç, Özge (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2022)Bu çalışmada, Çanakkale (4♂♂ ; 4♀♀) ve Kırklareli (7♂♂ ; 1♀) bölgelerinden toplanmış Çevik kurbağa (Rana dalmatina) türüne ait ZDEU-ÇOMÜ koleksiyonuna dahil 16 adet örnekle çalışılmıştır. Araştırmada örneklerin yaşları ... -
Data on the reproductive biology of two Anguids in Turkey
Yakın, Batuhan Yaman; Tok, Cemal Varol (Universitatea din Oradea, 2021)Information on the reproduction biology of Anguis fragilis complex and Pseudopus apodus living in Turkey was very limited or rare. Here we dissected a total of 80 female Anguid (61 A. fragilis complex and 19 P. apodus) ... -
The distribution and biogeography of amphibians and reptiles in Turkey
Yaşar, Çagdaş; ÇIçek, Kerim; Mulder, John; Tok, Cemal Varol (Editura Universitatii din Oradea, 2021)Knowledge on the spatial distribution of taxa is crucial for the decision-making processes in conservation and management of biodiversity that rely on precise distribution data. We present an annotated list for a total of ... -
It takes two to tango - Phylogeography, taxonomy and hybridization in grass snakes and dice snakes (Serpentes: Natricidae: Natrix natrix, N. tessellata)
Asztalos, Marika; Ayaz, Dinçer; Bayrakçı, Yusuf; Afşar, Murat; Tok, Cemal Varol; Kindler, Carolin; Jablonski, Daniel; Fritz, Uwe (Senckenbergische Naturforschende Gesellschaft, 2021)Using two mitochondrial DNA fragments and 13 microsatellite loci, we examined the phylogeographic structure and taxonomy of two codistributed snake species (Natrix natrix, N. tessellata) in their eastern distribution area, ... -
On the Brink of Extinction: Results of a 20-Year Quest for Eiselt's Pond Turtle (Emys orbicularis eiselti) in Southeastern Turkey
Ayaz, Dinçer; Bayrakçı, Yusuf; Çiçek, Kerim; Ihlow, Flora; Tok, Cemal Varol; Fritz, Uwe (Chelonian Research Foundation, 2021)Eiselt’s pond turtle (Emys orbicularis eiselti) was described in 1998, based on only 4 museum specimens collected in the 1960s and 1970s. Its distribution range has been massively reduced by large-scale drainage measures ... -
On the occurrence of the Pond Slider Turtle Trachemys scripta (Thunberg in Schoepff, 1792) from southwestern Türkiye
Yakın, Batuhan Yaman; Çiçek, Kerim; Bayrakçı, Yusuf; Günay, Ulvi Kerem; Afşar, Murat; Ayaz, Dincer; Tok, Cemal Varol (Department of Environmental Sciences, Arak University, 2024)Trachemys scripta is included among the 100 most invasive species worldwide. Since the first report on the presence of pond slider turtles from natural habitats in Türkiye, the distribution of this invasive species comprises ... -
Profiling of apoptosis-associated proteins in human prostate cancer cells in response to Montivipera bulgardaghica albizona venom by protein array
İlhan, Süleyman; Çiçek, Kerim; Tok, Cemal Varol; Atmaca, Harika (Taylor and Francis Ltd., 2021)Here we studied the possible cytotoxic and apoptotic effects of Anatolian endemic mountain viper, Montivipera bulgardaghica albizona (M.b. albizona) venom on human PC-3 and DU-145 prostate cancer cell lines. M.b. albizona ... -
Unsustainable harvest of water frogs in southern Turkey for the European market
Çiçek, Kerim; Ayaz, Dinçer; Afsar, Murat; Bayrakcı, Yusuf; Pekşen, Çiǧdem Akın; Cumhuriyet, Oǧuzkan; Tok, Cemal Varol (Cambridge University Press, 2021)Frogs have been harvested from the wild for the last 40 years in Turkey. We analysed the population dynamics of Anatolian water frogs (Pelophylax spp.) in the Seyhan and Ceyhan Deltas during 2013-2015. We marked a total ...
