Yazar "Gül, Serkan" için listeleme
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The effect of altitude, latitude and climatic variables on life-history traits of male Hyla savignyi (AUDOUIN, 1827) from Anatolia (Turkey): a skeletochronological study
Kalaycı, Tuğba Ergül; Özdemir, Nurhayat; Altunışık, Abdullah; Gül, Serkan (Osterreichische Gesellschaft Herpetologie E V, 2015)A total of 127 male individuals of Hyla savignyi (AUDOUIN, 1827) from three populations of different altitudes (Iskenderun - 10 m a.s.l., Sanlrurfa - 476 m, Igdir - 858 m) were studied for age structure and body size using ... -
Genetic data to describe the hybrid zone between Bufo bufo (Linnaeus, 1758) and Bufo verrucosissimus (Pallas, 1814) in northeastern Türkiye
Dursun, Cantekin; Sánchez-Monte, Gregorio; Özdemir, Nurhayat; Gül, Serkan; Martínez-Solan, Iñigo (Brill Academic Publishers, 2023)Hybrid zones are geographic areas where individuals from distinct taxa meet, mate, and hybridize. These zones may have complex histories, but many of them originated relatively recently, during climatic oscillations in the ... -
Impact of various ecological parameters on the life-history characteristics of Bufotes viridis sitibundus from Turkey
Altunışık, Abdullah; Gül, Serkan; Özdemir, Nurhayat (Wiley, 2021)In this study, we used the skeletochronology method to estimate various growth parameters, such as age structure, minimum and maximum life span, age of sexual maturity, and the relationship between body size and weight of ... -
Interspecific and intraspecific size and shape variation in skull of two closely related species Bufo bufo (Linnaeus, 1758) and Bufo verrucosissimus (Pallas, 1814) from Turkey
Üzüm, Nazan; Özdemir, Nurhayat; Dursun, Cantekin; Kutrup, Bilal; Gül, Serkan (TUBİTAK Scientific & Technical Research Council Turkey, 2021)Anurans are the most suitable vertebrate group to see the development and also evolution in the skull, compared to other terrestrial vertebrates as they show highly derived morphology. For this reason, the cranium of anurans ... -
Modeling of current and future distributions of Camellia sinensis in Türkiye under climate change
İzmirli, Şule Güzel; Gül, Serkan (Springer, 2023)The tea plant (Camellia sinensis) that is cultivated in Türkiye is mainly grown in the eastern Black Sea region and is a significant crop for the Turkish economy. Climate change can have significant effects on the tea ... -
Molecular data confirm the presence of the Southern Crested Newt Triturus karelinii (Strauch, 1870) in Anatolia
Candan, Kamil; Ilgaz, Çetin; Kumlutaş, Yusuf; Caynak, Elif Yıldırım; Gül, Serkan (Taylor & Francis Ltd., 2023)Two species of newts of the genus Triturus are known to occur in Turkiye: Triturus ivanbureschi Wielstra & Arntzen, 2013 and T. anatolicus Wielstra & Arntzen, 2016. Here, we used the mitochondrial ND4 gene as a genetic ... -
Molecular systematics and phylogeography of Bufotes variabilis (syn. Pseudepidalea variabilis) (Pallas, 1769) in Turkey
Özdemir, Nurhayat; Gül, Serkan; Jr, A. Nikolay Poyarkov; Kutrup, Bilal; Tosunoğlu, Murat; Doglıo, Stefano (2014)Although there have been several studies based on the molecular data of green toads, some ambiguities related to the systematics of these toads in Turkey still remain. Tus, we used combined mitochondrial genes (D-loop and ... -
A new locality record of Pelias barani (Böhme et joger, 1983) from the Northeastern Anatolia
Gül, Serkan; Kumlutaş, Yusuf; Ilgaz, Çetin (Folium Ltd, 2016)Two female individuals of Baran’s Adder species Pelias barani were recorded in Tektaş village of Pazar, Rize (Turkey). These individuals were compared with other samples in the literature, and introduced them size and ... -
Occurrence of microplastics in herpetological museum collection: Grass snake (Natrix natrix [Linnaeus, 1758]) and dice anake (Natrix tessellata [Laurenti, 1769]) as model organisms
Gül, Serkan; Karaoğlu, Kaan; Özçifçi, Zehra; Candan, Kamil; Ilgaz, Çetin; Kumlutaş, Yusuf (Springer, 2022)Microplastics are plastic fragments with a size less than 5 mm in length. In addition to a threat to the marine environments where these are abundantly present, these have also started polluting freshwater ecosystems. ... -
An Overview of Historical Distribution Patterns of Chalcides ocellatus (Forsskål, 1775) Using Ecological Niche Modelling: the Taurus Mountains as a refugium
Candan, Kamil; Ilgaz, Çetin; Kumlutaş, Yusuf; Gül, Serkan (Folium Pulishing, 2021)The Taurus Mountains that have a very rich biodiversity are one of the most important mountain chains in Anatolia. In this study, we examined distribution patterns of Chalcides ocellatus that has a restricted dispersal ... -
Patterns of distribution of tree frogs in Turkey based on molecular data
Gül, Serkan; Kutrup, Bilal; Özdemir, Nurhayat (Brill, 2012)Despite previous work on the phylogeny of Palearctic Hyla, several problems still exist regarding systematics of Hyla in Turkey. The systematics of tree frogs (Hyla orientalis and Hyla savignyi) in Turkey was studied using ... -
Potential distribution modeling and morphology of pelias barani (Bohme and Joger, 1983) in Turkey
Gül, Serkan (Science Press, 2015)The climatic preferences of Pelias barani, a rare Pontic endemic viper, are analysed and a new locality record is reported. According to species distribution modeling, with the average test AUC was was 0.904 +/- 0.068, ... -
Potential distribution under different climatic scenarios of climate change of the vulnerable Caucasian salamander (Mertensiella caucasica): A case study of the Caucasus Hotspot
Gül, Serkan; Kumlutaş, Yusuf; Ilgaz, Çetin (Springer, 2018)Amphibians are strongly affected by climate change like many vertebrate animals. To address this problematic situation, we examined the potential effect of climate change on the distribution of Mertensiella caucasica (Waga, ... -
Potential habitats of an alien species (Asterias rubens Linnaeus, 1758) in the Black Sea: its current and future distribution patterns
Ceylan, Yusuf; Gül, Serkan (Springer Heidelberg, 2022)The Atlantic common starfish, Asterias rubens, has arrived firstly at the Marmara Sea in 1996 and to the Black Sea in 2007. In this study, we have exhibited the possible potential distribution of Asterias rubens throughout ... -
Predicted distribution patterns of Pelias kaznakovi (Nikolsky, 1909) in the caucasus hotspot with a new locality record from Turkey
Gül, Serkan; Kumlutaş, Yusuf; Ilgaz, Çetin (Folium Publ Co, 2016)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 ... -
Road mortality report of the genus bufo in northeastern Türkiye
Dursun, Cantekin; Özdemir, Nurhayat; Gül, Serkan (Springer, 2023)Abstract: Amphibians, especially those living near lakes, wetlands, and small water bodies, are the most vulnerable vertebrate group to vehicle collision. The aim of this study was to monitor and determine the causes of ... -
Sexual shape dimorphism in Bufo verrucosissimus (Pallas, 1814) from Lake Borçka Karagöl, Türkiye
Dursun, Cantekin; Özdemir, Nurhayat; Gül, Serkan (Hungarian Natural History Museum, 2023)Sexual dimorphism, i.e., differences in morphology between sexes of a species caused by intersexual differences in the strength or direction of sexual or natural selection, is preva-lent throughout the animal kingdom. ... -
Sexual size and shape dimorphism in Turkish common toads (Bufo bufo Linnaeus 1758)
Dursun, Cantekin; Gül, Serkan; Özdemir, Nurhayat (Wiley, 2021)Differences in male and female traits (sexual dimorphism [SD]) are widespread in animals. Dimorphism in morphological characters evolves under the effect of environmental and genetic factors and is shaped by natural and ... -
Spatiotemporal distribution of microplastics in true frogs (Ranidae: Pelophylax) populations from Turkiye
Dursun, Cantekin; Karaoğlu, Kaan; Özdemir, Nurhayat; Candan, Kamil; Kumlutaş, Yusuf; Ilgaz, Çetin; Gül, Serkan (Elsevier, 2023)Microplastics (MPs), which are of increasing concern in almost all ecosystems, continue to be an environmental threat. In the present study, the presence of MPs is investigated by using the gastrointestinal tracts (GITs) ... -
Survey for the pathogenic chytrid fungi batrachochytrium dendrobatidis and b. salamandrivorans on the caucasian salamander in northeastern Turkey
Altunışık, Abdullah; Gül, Serkan; Altunışık, Sümeyye; Eminoğlu, Ayşenur (Herpetological Conservation & Biology, 2021)Chytridiomycosis is an infectious disease of amphibians caused by either of two aquatic fungal pathogens, Batrachochytrium dendrobatidis (Bd) and B. salamandrivorans (Bsal). In this study, we carried out Bd and Bsal screening ...