Yazar "Özdemir, Nurhayat" için listeleme
-
Karçal dağları (Artvin/Türkiye)’nın Herpetofaunası
Temmuz 2015 tarihleri arasında Karçal dağları ve çevresinde yapılan herpetolojik araştırmalar neticesinde 11 istasyondan 7'si çift yaşar (2 semender ve 5 kurbağa) 11'i sürüngen (5 kertenkele ve 6 yılan ) olmak üzere toplam ... -
Life history traits in Bufotes variabilis (Pallas, 1769) from 2 different altitudes in Turkey
Altunışık, Abdullah; Özdemir, Nurhayat (Tubitak Scientific & Technical Research Council Turkey, 2015)Life history characteristics (e.g., longevity, age at maturity, body size, and body mass) of the green toad, Bufotes variabilis, were investigated from 2 populations inhabiting different altitudes (Cankiri, 960 m a.s.l., ... -
Life history traits in Bufotesvariabilis (Pallas, 1769) from 2 different altitudes in Turkey
Altunışık, Abdullah; Özdemir, Nurhayat (2015)Life history characteristics (e.g., longevity, age at maturity, body size, and body mass) of the green toad, Bufotes variabilis,were investigatedfrom 2 populations inhabiting different altitudes (Çankırı, 960 m a.s.l., n ... -
Microsatellite variation and population genetic structure of Anatolian mountain frogs
Kalaycı, Tuğba Ergül; Özdemir, Nurhayat (Polish Acad Sciences, 2023)Anatolian mountain frogs consist of two admitted species (Rana macrocnemis and Rana tavasensis), and this group is famous for its high land distribution throughout the Anatolian mountain chain. Despite the unique features ... -
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 ... -
Morphological variability and age structure in a population of Bufo verrucosissimus (Anura: Bufonidae) from Artvin, Turkey
Dursun, Cantekin; Özdemir, Nurhayat (University Sao Esalo, 2022)Morphological variability and age structure in a population of Bufo verrucosissimus (Anura: Bufonidae) from Artvin, Turkey. We investigated morphological diversity (external body traits, coloration patterns and skin ... -
On the age structure of two samples of Lacerta trilineata BEDRIAGA, 1886, from different altitudes in Turkey (Squamata: Sarnia: Lacertidae)
Kalaycı, Tuğba Ergül; Gül, Çiğdem; Tosunoğlu, Murat; Özdemir, Nurhayat (Osterreichische Gesellschaft Herpetologie E V, 2018)The authors studied the age composition in two samples (Edirne: 17 m a.s.l. and Bolu: 1,250 m a.s.l.) of Lacerta trilineata BEDRIAGA, 1886, in Turkey. Aging by skeletochronology showed that the maximum age of the lizards ... -
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 ... -
Phylogeny and systematics of Anatolian mountain frogs
Kalaycı, Tuğba Ergül; Kalaycı, Gökhan; Özdemir, Nurhayat (Pergamon-Elsevier Science Ltd, 2017)Anatolian mountain frogs (Rana macrocnemis, Rana camerani, Rana holtzi, and Rana tavasensis) are one of the most specious amphibian groups in Turkey containing two endemic taxa (R. holtzi and R. tavasensis). the taxonomy ... -
Phylogeny of neurergus crocatus and neurergus strauchii in Turkey based on morphological and molecular data
We described the phylogeny of the salamandrid genus Neurergus in Turkey using statistical analyses on morphometric characters and a molecular analysis based on 12S and 16S rRNA genes. Two different species, Neurergus ... -
Preliminary data on the age structure of Asaccus barani (Baran's leaf-toed gecko) from southeastern Anatolia, Turkey
In this study, the age structure of an Asaccus barani sample from Şanlıurfa (southeastern Anatolia, Turkey) was determined by skeletochronology for the first time. A total of 17 preserved adults (7♂♂, ... -
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 ... -
Sivas Heremites vittatus (Şeritli Kertenkele) (Olivier, 1804) örnekleri üzerinde İskelet kronolojisi yöntemi ile yaş tayini
Kalaycı, Tuğba Ergül; Altunışık, Abdullah; Uysal, İbrahim; Tosunoğlu, Murat; Özdemir, Nurhayat (2018)Sürüngenlerde yaş yapısının, eşeysel olgunluk yaşının ve ömür uzunluğunun bilinmesi onların yaşam öyküsü özelliklerinin ekolojik ve evrimsel yönleri ile anlaşılmasında yardımcı olmaktadır. Bu çalışmada, Sivas (Türkiye)’tan ... -
A skeletochronological study of age, growth and longevity of Rana macrocnemis populations from four locations at different altitudes in Turkey
Kutrup, Bilal; Özdemir, Nurhayat; Bülbül, Ufuk; Çakır, Emel (Koninklijke Brill NV, 2011)We examined life-history traits such as population age structure, growth and longevity of Iranian Long-Legged frogs (Rana macrocnemis) from 4 different locations at different altitudes in Turkey by skeletochronology performed ... -
A skeletochronological study of the smooth newt Lissotriton vulgaris (Amphibia: Urodela) from an island and a mainland population in Turkey
Altunışık, Abdullah; Kalaycı, T. Ergül; Gül, Çiğdem; Özdemir, Nurhayat; Tosunoğlu, Murat (Taylor & Francis Ltd, 2014)To understand the effects of island and mainland on life history traits (e. g. longevity, age at maturity, body size and body mass) of the smooth newt Lissotriton vulgaris (Linnaeus, 1758), we generated data on age and ... -
Some toxic effects of ammonium sulfate fertilizer to rana macrocnemis tadpoles from Rize (black sea region), Turkey
The aim of this study was to investigate the toxic effects of ammonium sulfate in Rana macrocnemis tadpoles. So, the animals were exposed to six different concentrations of ammonium sulfate (50, 75, 100, 150, 250 and 500 ... -
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) ... -
Taxonomic assessment and distribution of common toads (Bufo bufo and B. verrucosissimus) in Turkey based on morphological and molecular data
Özdemir, Nurhayat; Dursun, Cantekin; Üzüm, Nazan; Kutrup, Bilal; Gül, Serkan (Brill, 2020)The Bufo bufo species group includes four species distributed in the western Palearctic: B. bufo. B. eichwaldii, B. spinosus and B. verrucosissimus. Both B. bufo and B. verrucosissimus are known to occur in Turkey, but ...